(19)
(11)EP 3 405 711 B1

(12)EUROPEAN PATENT SPECIFICATION

(45)Mention of the grant of the patent:
25.03.2020 Bulletin 2020/13

(21)Application number: 17702970.9

(22)Date of filing:  16.01.2017
(51)International Patent Classification (IPC): 
F16L 3/11(2006.01)
(86)International application number:
PCT/NL2017/050020
(87)International publication number:
WO 2017/126957 (27.07.2017 Gazette  2017/30)

(54)

PIPE HANGER

ROHRAUFHÄNGUNG

SUPPORT DE TUYAUTERIE


(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30)Priority: 19.01.2016 NL 2016119

(43)Date of publication of application:
28.11.2018 Bulletin 2018/48

(73)Proprietor: J. van Walraven Holding B.V.
3641 RK Mijdrecht (NL)

(72)Inventors:
  • JUZAK, Marek
    3641 ZS Mijdrecht (NL)
  • NIJDAM, Frank
    3893 BA Zeewolde (NL)

(74)Representative: EP&C 
P.O. Box 3241
2280 GE Rijswijk
2280 GE Rijswijk (NL)


(56)References cited: : 
EP-B1- 2 156 083
US-B2- 8 322 662
FR-A1- 2 906 002
  
      
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).


    Description


    [0001] The present invention relates to a Pipe hanger comprising an upper hanger part, a lower hanger part and a locking bolt, said upper hanger part being adapted to be mounted to a support member and having depending arms each having a bore through which the locking bolt extends, and said lower hanger part having a saddle portion for supporting a pipe and arms extending upwardly from the saddle portion, wherein in a closed state of the pipe hanger the depending arms of the upper hanger part are coupled to the corresponding arms of the lower hanger part.

    [0002] Such a pipe hanger is known from US 2.714.497. Such hangers are also known as "Clevis hangers". The Clevis hanger has a round hole in the upper hanger part, through which the hanger can be attached to a threaded rod suspended from a ceiling or other overhead support. The upper hanger part is attached to the rod by by means of two nuts. After that the lower part of the hanger can be fastened to the upper part. The upper hanger part and lower hanger part are separated completely and the pipe is laid into the lower hanger part. The holes in the legs of the upper and lower hanger parts are aligned and then the locking bolt has to be inserted to close the hanger and connect the upper and lower hanger parts. While this structure with a transverse bolt extending through the hanger provides a rigid and solid hanger, the installation of the hanger may be cumbersome, because the weight of the pipe is already resting on the lower hanger part and the user has to hold the lower part with the pipe resting on it while the bolt is inserted.

    [0003] US 8.322.662 discloses in Figs. 8 - 20 a pipe hanger without a locking bolt. This known pipe hanger instead has a snap closed feature which provides an easier installation than the hanger of US2.714.497. The lower hanger part is on one side pivotally connected to the upper hanger part such that a pipe can be supported by the lower hanger part when the hanger is still in an open state. The lower part can then be pivotted upward with the pipe and snap closed. The snap closing structure of this pipe hanger requires however that the lower hanger part is bendable such that the legs of the lower part can be compressed together. This pipe hanger provides a less rigid and less solid hanging structure for the pipe.

    [0004] EP 2 156 083 discloses another pipe hanger. The pipe hanger comprises a suspension part that encloses a profile at least partially in order to suspend the hanger body from the profile. The hanger body and the suspension part are two separate parts that are connected to each other when in use.

    [0005] The invention has for an object to provide a pipe hanger which allows an easier installation as the known Clevis hanger while at the same time it constitutes a rigid and solid structure when the hanger is installed with a pipe in it.

    [0006] This object is achieved by a pipe hanger according to claim 1.

    [0007] The pipe hanger according to the invention combines an easy installation with a solid support for the pipe after it is installed. The pivot structure that allows swiveling to a maximum angle determined by the tilt limiting abutment allows that a pipe can be araanged in the lower hanger part and supported by it without a user having to keep hold of it. The user can than easily swivel the other side of the lower hanger part upward and then pass the locking bolt through the bore of the upwardly extending arm to lock the hanger in the closed state.

    [0008] In a preferred embodiment the abutment is constituted by a flange that extends outwardly under an obtuse angle with the upwardly extending arm.

    [0009] The obtuse angle may be within the range 100°-130°. Preferably the obtuse angle is around 120°. This angle provides that the hanger can be opened enough such that a pipe of a considerable diameter can be introduced in the hanger, but that the lower hanger part remains in a tilted position in which the pipe cannot roll out of the lower hanger part.

    [0010] In a possible embodiment the tilt limiting flange has at its distal end two protrusions formed on it, wherein in a closed state of the hanger an upwardly extending hook portion is received between said protrusions.

    [0011] In a possible embodiment the hook has a transverse portion that extends from the depending arm of the upper part in a transverse direction and wherein the hook has an upwardly extending portion that extends upwardly from the transverse hook portion and is spaced apart from said depending leg, and wherein there is a distance between an upper edge of the aperture and the abutment, which distance exceeds the distance between the depending leg and the upwardly extending hook portion. The abutment may be formed as a flange, but may for example also be formed by an upper edge of the arm concerned. Also other forms of the abutment are possible.

    [0012] In a further embodiment the hook has generally an L-shape, wherein the end of the horizontal leg of the L is said transverse hook portion and is connected to the depending leg of the upper hanger part, and wherein the vertical leg of the L is said upwardly extending hook portion, which preferably extends parallel to the depending leg of the upper hanger part.

    [0013] In a further embodiment, when the tilt limiting abutment abuts the depending arm of the upper hanger part, the aperture in the corresponding upwardly extending arm is located at the angle of the L-shape.

    [0014] In a possible embodiment the upwardly extending hook portion is provided with a bore aligned with said bores in the depending arms, wherein the bolt extends through said aligned bores in the depending arms and the upwardly extending hook portion. The bolt is secured to the upper part, thus the bolt locks up the upper end of the upwardly extending arm of the lower part on the hook, whereby the lower part is secured to the upper part as well and cannot be lost. This is the state in which the hanger according to the invention is advantageously delivered to the user such that the user does not have to assemble the hanger from the separate parts.

    [0015] In a further possible embodiment at least two of the bores are threaded bores adapted to cooperate with a male thread on the shank of the bolt.

    [0016] In a possible embodiment the depending arm that opposes the depending arm where the hook is provided, has at least one outwardly extending barb, and the corresponding upwardly extending arm of the lower part has at least one recess to receive the at least one barb in a closed state of the hanger.

    [0017] Another aspect of the invention relates to a pipe hanger comprising an upper hanger part and a lower hanger part, said upper hanger part being adapted to be mounted to a support member and having depending arms, and said lower hanger part having a saddle portion for supporting a pipe and arms extending upwardly from the saddle portion, wherein in a closed state of the pipe hanger the depending arms of the upper hanger part are coupled to the corresponding arms of the lower hanger part. One of the depending arms of the upper hanger part has a hook formed on a lower end, said hook having a transverse portion that extends from the depending arm of the upper part in a transverse direction and having an upwardly extending portion that extends upwardly from the transverse hook portion and being spaced at a distance from said depending arm. The corresponding upwardly extending arm of the lower hanger part has an aperture formed in it that is arranged over the hook. There is a distance between an upper edge of said aperture and an abutment located at the end of said upwardly extending arm, which distance exceeds the distance between the depending arm of the upper part and the upwardly extending hook portion.

    [0018] According to this aspect of the invention the lower hanger part is allowed to pivot at the transverse portion of the hook formed on the upper part. However the pivotal movement or tilting is limited by the fact that the distance between the upwardly extending portion of the hook and the corresponding depending arm is smaller than the distance between the upper edge of the aperture, that is arranged over the hook, and the abutment which abuts the depending arm in a tilted positon of the arm. This limitation of the tilting angle provides the advantage that the arms of the lower hanger part retain a slanting upwardly extending orientation whereby a pipe can be retained by gravity in the lower hanger part in the open state of the hanger without the risk that the pipe moves out of the hanger. The open pipe hanger with the pipe arranged does not have to be held by the user during installation and can be easily closed from there.

    [0019] The invention will be further elucidated in the following description with reference to the drawing, in which:

    Fig. 1 shows a view in perspective of a preferred embodiment of a pipe hanger according to the invention in an open state;

    Fig. 2 shows a view in perspective of the pipe hanger of Fig. 1 in a closed state with a pipe installed in it;

    Fig. 3 shows a front elevational view of the pipe clip of Fig. 1 in a closed state;

    Fig. 4 shows a front elevational view of the pipe clip of Fig. 1 in an open state with a pipe arranged in it;

    Fig. 5 shows a view in perspective of a lower part of the pipe hanger of Fig. 1;

    Fig. 6 shows a view in perspective of an upper part of the pipe hanger of Fig. 1;

    Fig. 7 shows a front elevational view of a detail of the lower hanger part of Fig. 5;

    Fig. 8 shows a view in perspective of the pipe hanger of Fig. 1 without a screw bolt, during closing of the hanger;

    Fig. 9 shows another view in perspective of the pipe hanger of Fig. 8;

    Fig. 10 shows a view in perspective of the hanger of Fig. 1, without a screw bolt, in a closed state;

    Fig. 11 shows a front elevational view of another embodiment of a pipe hanger according to the invention in an open state; and

    Fig. 12 shows a view in perspective of a lower part of the pipe hanger of Fig. 11.



    [0020] Figs. 1 and 2 show a pipe hanger 1, which is of the type that in the art is also referred to as a Clevis hanger. The pipe hanger 1 is shown in Fig. 1 in an open state in which a pipe can be placed in it. In Fig. 2 the pipe hanger 1 is shown in a mounted end state in which the hanger is closed and a pipe is arranged in it.

    [0021] The pipe hanger 1 comprises an upper hanger part 2 and a lower hanger part 3. The upper part 2 is separately shown in Fig. 6. The lower part 3 is separately shown in Fig. 5.

    [0022] The upper hanger part 2 is generally U-shaped. It has a supporting portion 4 having a centre portion 5 in which an opening 6 is formed through which a threaded rod 101 (cf. Fig. 2) or another support device can pass to suspend the hanger from a ceiling or another overhead structure. The supporting portion 4 has also two inclined sections 7, which extend laterally and downwardly from the centre portion 5.

    [0023] The upper hanger part 2 furthermore has depending arms 8 and 9 respectively extending downwardly from the respective ends of the supporting portion 4.

    [0024] The depending arms 8 and 9 each have a bore 10 and 11 respectively formed in them. The bores 10, 11 are aligned with each other such that a locking bolt 25 can be passed through them (cf. Figs 1 and 2).

    [0025] The depending arm 8 has a hook 12 formed at a lower end of the arm 8. The hook 12 has generally the shape of an "L", wherein the horizontal leg 13 of the L is connected to the lower end of the arm 8 and wherein the upwardly extending leg 14 of the L is spaced apart from the arm 8 and extends along it. Preferably the upwardly extending leg 14 of the hook 12 extends parallel to the arm 8.

    [0026] The upwardly extending leg 14 of the hook 12 has a bore 15 formed in it which is aligned with the bores 10 and 11 in the depending arms 8 and 9, such that the shank of the bolt 25 can pass through.

    [0027] The depending arm 9 has barbs 24 formed at lateral edges of the arm 9. The barbs 24 extend outwardly

    [0028] The lower portion 3 of the hanger 1 is generally U-shaped (cf. Fig. 5) and has a saddle portion 16 for supporting a pipe 100 (cf. Fig. 2) and arms 17 and 18 respectively extending upwardly from the saddle portion 16.

    [0029] In the upper end portion of the arm 17 a hook aperture 19 is formed which can be hooked around the hook 12 of the upper part 2. The hook aperture 19 has a shape which conforms to the cross sectional contour of the hook 12, in the embodiment shown a rectangular shape.

    [0030] There is a distance d1 (cf. Fig. 5) between an upper edge of the aperture 19 and a transition bend 27 between the upwardly extending arm 17 and the flange 20, which distance d1 exceeds the distance d2 (cf. Fig 3) between the depending leg 8 and the upwardly extending leg 14 of the hook 12.

    [0031] A flange 20 is formed at the end of the arm 17. The flange 20 extends under an obtuse angle α outwardly with respect to the arm 17. The angle α in the preferred embodiment is about 120°, but may be within the range 100° to 130°. The flange 20 serves as a rotation limiting flange as will be explained further below.

    [0032] At a distal end of the flange 20 two protrusions 26 are formed which have a function during the closing of the hanger 1 as will be described futher below.

    [0033] A passage 22 is formed at the upper region of the other arm 18 of the lower hanger part 3, for passing through the shank of the bolt 25.

    [0034] A flange 21 is formed at the end of the arm 18. The flange 21 extends under an obtuse angle β outwardly with respect to the arm 18. This inclined orientation of the flange 21 with respect to the arm 18 provides a guiding feature which facilitates the movement of the end of the arm 18 beyond the tip of the bolt 25 that extends through the hole 11 and protrudes slightly from the outer surface of the arm 9.

    [0035] Just under the transition bend between the flange 21 and the arm 18 a pair of lateral recesses 23 is formed in the side edges of the arm 18. Each recess 23 is adapted to receive a barb 24 that is provided on the leg 9 of the upper part as will be described further below.

    [0036] The upper hanger part 2 and the lower hanger part are assembled by moving the opening 19 over the hook 12. The lower part 3 can then suspend on the hook as is shown in Figs. 4, 8 and 9. To finalise the assembly the bolt 25 is then inserted through the bores 10, 11 and 15 in the depending arms 8, 9 and the hook 12 respectively. The bolt 25 then locks up the upper end of the upwardly extending arm 17 of the lower part 3 on the hook 12. The bolt 25 is screwed into the bore 11 which is a threaded bore, to fix it to the upper part 2. The tip of the bolt 25 only protrudes to such an extent from the outer side of the arm 9 that corresponding arm 18 of the lower part 3 can still be moved to an overlapping position and the hanger 1 can still be closed. This is the state (cf. Fig. 1) in which the hanger 1 is preferably delivered to the user.

    [0037] The hanger 1 can be mounted by the user to a threaded rod 101 or another suspension device to suspend the hanger from a ceiling or other overhead structure.

    [0038] The hanger is initially hanging from the rod 101 in an open state as is shown in Fig. 1. The pipe 100 can then be laid in the lower part 3 of the hanger as is shown in Fig. 4. The weight of the pipe moves the of gravity of the lower part and pipe in the figure to the right. The flange 20 at a certain point abuts the outer face of the depending arm 8 as is shown in Fig. 4. Thereby the swiveling movement of the lower part is arrested and the arms of the lower part cannot tilt any further. Since the angle α is about 120°, the arms 17 and 18 can at most swivel about 60° whereby the arms 17 and 18 extend with an angle of about 30° with respect to the horizontal. This is a sufficient inclination to prevent the pipe from rolling out of the lower hanger part 3 in the open state.

    [0039] From this state in Fig. 4 the hanger 1 can be readily closed by the user as is illustrated in Figs 8 - 10. The lower part 3 is tilted by moving the arm 18 upwards as is illustrated in Fig. 8 and Fig. 9. Next the arm 18 of the lower part 3 is moved along the corresponding depending arm 9 of the upper part 2 in an overlapping fashion until the barbs 24 engage the recesses 23. The pipe hanger 1 is now in a preliminary closed state. Finally the bolt 25 can be screwed further in the threaded bore 11 whereby the arms 18 and 9 of the lower part and the upper part respectively cannot be released from each other.

    [0040] During the closing of the hanger 1 the upwardly extending hook portion 14 is received between the protrusions 26 on the flange 20. This provides for a better mutual alignment of the arms 18 and 9 at the opposite side of the hanger 1. Consequently the barbs 24 and the corresponding recesses 23 are then also better aligned, whereby a more reliable and easier closing of the hanger 1 is achieved.

    [0041] In Figs 11 and 12 is illustrated another possible embodiment of a pipe hanger 1' according to the invention. The upper part 2 of this embodiment is the same as the upper part 2 shown in Fig. 6. For a description of the upper part 2 is thus referred to the above and the reference numerals are the same.

    [0042] The lower part 3' of this pipe hanger 1' is different from the lower part 3 shown in Fig. 5, in that it does not have a flange at the end of the upwardly extending arm 17 which is suspended on the hook 12. Instead an upper edge 17' of the upwardly extending arm 17 abuts the outer face of the depending arm 8 when the lower part is tilted to a certain extent with respect to the upper part, as is shown in Fig. 11. The upper edge 17' thus functions in this embodiment as an abutment that limits the tilt of the lower part 3'. The rest of the features are the same and therefore indicated by the same reference numerals as in Fig. 5. There is a distance d1 (cf. Fig. 12) between an upper edge of the aperture 19 and the upper edge 17', which distance d1 exceeds the distance d2 (cf. Fig 11) between the depending leg 8 and the upwardly extending leg 14 of the hook 12.

    [0043] In the open state (Fig. 11) a pipe 100 can be laid in the lower part 3' of the hanger 1'. The weight of the pipe moves the point of gravity of the lower part 3' and pipe. The upper edge 17' at a certain point abuts the outer face of the depending arm 8 as is shown in Fig. 11. Thereby the swiveling movement of the lower part 3' is arrested and the arms 17, 18 of the lower part cannot tilt any further. Closing of the pipe hanger takes place in the same manner as is described with reference to the embodiment of Figs 1-10.


    Claims

    1. Pipe hanger (1; 1') comprising an upper hanger part (2), a lower hanger part (3; 3') and a locking bolt (25), said upper hanger part (2) being adapted to be mounted to a support member (101) and having depending arms (8, 9) each having a bore (10, 11) through which the locking bolt (25) extends, and said lower hanger part (3; 3') having a saddle portion (16) for supporting a pipe (100) and arms (17, 18) extending upwardly from the saddle portion (16), wherein in a closed state of the pipe hanger (1) the depending arms (8, 9) of the upper hanger part (2) are coupled to the corresponding arms (17, 18) of the lower hanger part (3; 3'),
    wherein one (8) of the depending arms (8, 9) of the upper hanger part (2) has a hook (12) formed on a lower end, and wherein the corresponding upwardly extending arm (17) of the lower hanger part (3; 3') has an aperture (19) formed in it that is arranged over the hook (12), and wherein the other one (18) of said upwardly extending arms (17, 18) of the lower hanger part (3; 3') has a bore (22) for the locking bolt (25) to lock the lower hanger part (3) and upper hanger part (2) in the closed position,
    characterized
    in that the upwardly extending arm (17) of the lower hanger part (3; 3'), which has the aperture (19) formed in it, has at its end a tilt limiting abutment (20; 17'), wherein in an open state of the pipe hanger (1; 1') the lower hanger part (3; 3') is only suspended from the hook (12) and is allowed to swivel until the tilt limiting abutment (20; 17') abuts the corresponding depending arm (8) of the upper hanger part (2).
     
    2. Pipe hanger according to claim 1, wherein the tilt limiting abutment is constituted by a flange (20) that extends outwardly under an obtuse angle (α) with the upwardly extending arm (17).
     
    3. Pipe hanger according to claim 2, wherein the obtuse angle (α) is within the range 100°-130°.
     
    4. Pipe hanger according to claim 2 or 3, wherein the obtuse angle (α) is around 120°.
     
    5. Pipe hanger according to any one of claims 2-4, wherein the tilt limiting flange (20) has at its distal end two protrusions (26) formed on it, wherein in a closed state of the pipe hanger (1) an upwardly extending hook portion (14) is received between said protrusions (26).
     
    6. Pipe hanger according to any one of the preceding claims, wherein the hook (12) has a transverse portion (13) that extends from the depending arm (8) of the upper part (2) in a transverse direction and wherein the hook (12) has an upwardly extending portion (14) that extends upwardly from the transverse hook portion (13) and is spaced apart from said depending arm (8), and wherein there is a distance (d1) between an upper edge of the aperture (19) and the abutment (20; 17'), which distance exceeds the distance (d2) between the depending arm (8) and the upwardly extending hook portion (14).
     
    7. Pipe hanger according to claim 6, wherein the hook (12) has generally an L-shape, wherein the end of the horizontal leg of the L is said transverse hook portion (13) and is connected to the depending arm (8) of the upper hanger part (2), and wherein the vertical leg of the L is said upwardly extending hook portion (14), which preferably extends parallel to the depending arm (8) of the upper hanger part (2).
     
    8. Pipe hanger according to claim 7, wherein, when the tilt limiting abutment (20; 17') abuts the depending arm (8) of the upper hanger part (2), the aperture (19) in the corresponding upwardly extending arm (17) is located at the angle of the L-shape.
     
    9. Pipe hanger according to any one of the claim 5-8, wherein the upwardly extending hook portion (14) is provided with a bore (15) aligned with said bores (10, 11) in the depending arms (8, 9), wherein the bolt (25) extends through said aligned bores (10, 11, 15) in the depending arms (8, 9) and the upwardly extending hook portion (14).
     
    10. Pipe hanger according to claim 9, wherein at least two of the bores (10, 11, 15) are threaded bores adapted to cooperate with a male thread on the shank of the bolt (25).
     
    11. Pipe hanger according to any one of the preceding claims, wherein the depending arm (9) that opposes the depending arm (8) where the hook (14) is provided, has at least one outwardly extending barb (24), and wherein the corresponding upwardly extending arm (18) of the lower hanger part (3; 3') has at least one recess (23) to receive the at least one barb (24) in a closed state of the hanger (1).
     
    12. Pipe hanger (1; 1') comprising an upper hanger part (2) and a lower hanger part (3; 3'), said upper hanger part (2) being adapted to be mounted to a support member (101) and having depending arms (8, 9), and said lower hanger part (3; 3') having a saddle portion (16) for supporting a pipe (100) and arms (17, 18) extending upwardly from the saddle portion (16), wherein in a closed state of the pipe hanger (1; 1') the depending arms (8, 9) of the upper hanger part (2) are coupled to the corresponding arms (17, 18) of the lower hanger part (3; 3'), wherein one (8) of the depending arms (8, 9) of the upper hanger part (2) has a hook (12) formed on a lower end, said hook (12) having a transverse portion (13) that extends from the depending arm (8) of the upper hanger part (2) in a transverse direction and having an upwardly extending portion (14) that extends upwardly from the transverse hook portion (13) and being spaced at a distance (d2) from said depending arm (8), and
    wherein the corresponding upwardly extending arm (17) of the lower hanger part (3; 3') has an aperture (19) formed in it that is arranged over the hook (12), characterized in that there is a distance (d1) between an upper edge of said aperture (19) and an abutment (20; 17') located at the end of said upwardly extending arm (17), which distance (d1) exceeds said distance (d2) between the depending arm (8) of the upper hanger part (2) and the upwardly extending hook portion (14).
     


    Ansprüche

    1. Rohraufhängung (1; 1'), die ein oberes Aufhängungsteil (2), ein unteres Aufhängungsteil (3; 3') und einen Verriegelungsbolzen (25) umfasst, wobei das obere Aufhängungsteil (2) angepasst ist, an einem Trageelement (101) montiert zu werden, und herabhängende Arme (8, 9) aufweist, die jeweils eine Bohrung (10, 11) aufweisen, durch die sich der Verriegelungsbolzen (25) erstreckt, und das untere Aufhängungsteil (3; 3') einen Sattelabschnitt (16) zum Tragen eines Rohrs (100) und Arme (17, 18) aufweist, die sich von dem Sattelabschnitt (16) nach oben hin erstrecken, wobei in einem geschlossenen Zustand der Rohraufhängung (1) die herabhängenden Arme (8, 9) des oberen Aufhängungsteils (2) mit den entsprechenden Armen (17, 18) des unteren Aufhängungsteils (3; 3') gekoppelt sind,
    wobei einer (8) der herabhängenden Arme (8, 9) des oberen Aufhängungsteils (2) einen Haken (12) aufweist, der an einem unteren Ende ausgebildet ist, und wobei der entsprechende, sich nach oben hin erstreckende Arm (17) des unteren Aufhängungsteils (3; 3') eine darin gebildete Öffnung (19) aufweist, die über dem Haken (12) angeordnet ist, und wobei der andere (18) der sich nach oben erstreckenden Arme (17, 18) des unteren Aufhängungsteils (3; 3') eine Bohrung (22) für den Verriegelungsbolzen (25) aufweist, um das untere Aufhängungsteil (3) und das obere Aufhängungsteil (2) in der geschlossenen Position zu verriegeln,
    dadurch gekennzeichnet, dass der sich nach oben hin erstreckende Arm (17) des unteren Aufhängungsteils (3; 3'), der die darin gebildete Öffnung (19) aufweist, an seinem Ende einen Neigungsbeschränkungsanschlag (20; 17) aufweist, wobei in einem offenen Zustand der Rohraufhängung (1; 1') das untere Aufhängungsteil (3; 3') nur an dem Haken (12) aufgehängt ist und es ihm erlaubt ist, zu verschwenken, bis der Neigungsbeschränkungsanschlag (20; 17') gegen den entsprechenden herabhängenden Arm (8) des oberen Aufhängungsteils (2) anschlägt.
     
    2. Rohraufhängung nach Anspruch 1, wobei der Neigungsbeschränkungsanschlag durch einen Flansch (20) gebildet wird, der sich unter einem stumpfen Winkel (α) mit dem sich nach oben erstreckenden Arm (17) nach außen erstreckt.
     
    3. Rohraufhängung nach Anspruch 2, wobei der stumpfe Winkel (α) im Bereich von 100°-130° liegt.
     
    4. Rohraufhängung nach Anspruch 2 oder 3, wobei der stumpfe Winkel (α) ungefähr 120° beträgt.
     
    5. Rohraufhängung nach einem der Ansprüche 2 - 4, wobei der Neigungsbeschränkungsflansch (20) an seinem distalen Ende zwei daran gebildete Vorsprünge (26) aufweist, wobei in einem geschlossenen Zustand der Rohraufhängung (1) ein sich nach oben erstreckender Hakenabschnitt (14) zwischen den Vorsprüngen (26) aufgenommen ist.
     
    6. Rohraufhängung nach einem der vorhergehenden Ansprüche, wobei der Haken (12) einen quer verlaufenden Abschnitt (13) aufweist, der sich von dem herabhängenden Arm (8) des oberen Teils (2) in einer Querrichtung erstreckt, und wobei der Haken (12) einen sich nach oben erstreckenden Abschnitt (14) aufweist, der sich von dem quer verlaufenden Hakenabschnitt (13) nach oben erstreckt und von dem herabhängenden Arm (8) beabstandet ist, und wobei es zwischen einer oberen Kante der Öffnung (19) und dem Anschlag (20; 17') einen Abstand (d1) gibt, welcher Abstand den Abstand (d2) zwischen dem herabhängenden Arm (8) und dem sich nach oben erstreckenden Hakenabschnitt (14) übersteigt.
     
    7. Rohraufhängung nach Anspruch 6, wobei der Haken (12) allgemein eine L-form aufweist, wobei das Ende des horizontalen Schenkels des L ein quer verlaufender Hakenabschnitt (13) ist und mit dem herabhängenden Arm (8) des oberen Aufhängungsteils (2) verbunden ist, und wobei der vertikale Schenkel des L der sich nach oben erstreckende Hakenabschnitt (14) ist, der sich bevorzugt parallel zum herabhängenden Arm (8) des oberen Aufhängungsteils (2) erstreckt.
     
    8. Rohraufhängung nach Anspruch 7, wobei sich, wenn der Neigungsbeschränkungsanschlag (20; 17') gegen den herabhängenden Arm (8) des oberen Aufhängungsteils (2) anliegt, die Öffnung (19) in dem entsprechenden, sich nach oben erstreckenden Arm (17) am Winkel der L-Form befindet.
     
    9. Rohraufhängung nach einem der Ansprüche 5 - 8, wobei der sich nach oben erstreckende Hakenabschnitt (14) mit einer Bohrung (15) versehen ist, die mit den Bohrungen (10, 11) in den herabhängenden Armen (8, 9) fluchtet, wobei der Bolzen (25) sich durch die fluchtenden Bohrungen (10, 11, 15) in den herabhängenden Armen (8, 9) und dem sich nach oben erstreckenden Hakenabschnitt (14) erstreckt.
     
    10. Rohraufhängung nach Anspruch 9, wobei zumindest zwei der Bohrungen (10, 11, 15) Gewindebohrungen sind, die angepasst sind, mit einem Außengewinde auf dem Schaft des Bolzens (25) zusammenzuarbeiten.
     
    11. Rohraufhängung nach einem der vorhergehenden Ansprüche, wobei der herabhängende Arm (9), der dem herabhängenden Arm (8) gegenüberliegt, wo der Haken (14) vorgesehen ist, zumindest einen sich nach außen erstreckenden Widerhaken (24) aufweist, und wobei der entsprechende sich nach oben erstreckende Arm (18) des unteren Aufhängungsteils (3; 3') zumindest eine Aussparung (23) aufweist, um den zumindest einen Widerhaken (24) in einem geschlossenen Zustand der Aufhängung (1) aufzunehmen.
     
    12. Rohraufhängung (1; 1'), die ein oberes Aufhängungsteil (2) und ein unteres Aufhängungsteil (3; 3') umfasst, wobei das obere Aufhängungsteil (2) angepasst ist, an einem Trageelement (101) montiert zu werden, und herabhängende Arme (8, 9) aufweist, und das untere Aufhängungsteil (3; 3') einen Sattelabschnitt (16) zum Tragen eines Rohrs (100) und Arme (17, 18) aufweist, die sich von dem Sattelabschnitt (16) nach oben hin erstrecken, wobei in einem geschlossenen Zustand der Rohraufhängung (1; 1') die herabhängenden Arme (8, 9) des oberen Aufhängungsteils (2) mit den entsprechenden Armen (17, 18) des unteren Aufhängungsteils (3; 3') gekoppelt sind, wobei einer (8) der herabhängenden Arme (8, 9) des oberen Aufhängungsteils (2) einen Haken (12) aufweist, der an einem unteren Ende ausgebildet ist, wobei der Haken (12) einen quer verlaufenden Abschnitt (13), der sich von dem herabhängenden Arm (8) des oberen Aufhängungsteils (2) in einer Querrichtung erstreckt, und einen sich nach oben erstreckenden Abschnitt (14) aufweist, der sich von dem quer verlaufenden Hakenabschnitt (13) nach oben erstreckt und von dem herabhängenden Arm (8) in einem Abstand (d2) beabstandet ist, und
    wobei der entsprechende, sich nach oben hin erstreckende Arm (17) des unteren Aufhängungsteils (3; 3') eine darin gebildete Öffnung (19) aufweist, die über dem Haken (12) angeordnet ist, dadurch gekennzeichnet, dass es einen Abstand (d1) zwischen einer oberen Kante der Öffnung (19) und einem Anschlag (20; 17) gibt, der sich an dem Ende des sich nach oben erstreckenden Arms (17) befindet, welcher Abstand (d1) den Abstand (d2) zwischen dem herabhängenden Arm (8) des oberen Aufhängungsteils (2) und dem sich nach oben erstreckenden Hakenabschnitt (14) übersteigt.
     


    Revendications

    1. Support de tuyau (1; 1') comprenant une pièce de support supérieure (2), une pièce de support inférieure (3; 3') et un boulon de verrouillage (25), ladite pièce de support supérieure (2) étant adaptée pour être montée sur un élément de support (101) et ayant des bras dépendants (8, 9) ayant chacun un alésage (10, 11) à travers lequel le boulon de verrouillage (25) s'étend, et ladite pièce de support inférieure (3; 3') ayant une partie de selle (16) destinée à supporter un tuyau (100) et des bras (17, 18) s'étendant vers le haut à partir de la partie de selle (16), dans lequel, dans un état fermé du support de tuyau (1), les bras dépendants (8, 9) de la pièce de support supérieure (2) sont couplés aux bras (17, 18) correspondants de la pièce de support inférieure (3; 3'), dans lequel l'un (8) des bras dépendants (8, 9) de la pièce de support supérieure (2) a un crochet (12) formé sur une extrémité inférieure, et dans lequel le bras (17) correspondant s'étendant vers le haut, de la pièce de support inférieure (3; 3'), comprend une ouverture (19) qui est disposée par-dessus le crochet (12), et dans lequel l'autre (18) desdits bras (17, 18) s'étendant vers le haut de la pièce de support inférieure (3; 3') a un alésage (22) pour le boulon de verrouillage (25) pour verrouiller la pièce de support inférieure (3) et la pièce de support supérieure (2) dans la position fermée, caractérisé en ce que le bras (17) s'étendant vers le haut de la pièce de support inférieure (3; 3'), qui comprend l'ouverture (19), possède à son extrémité une butée (20; 17') de limitation d'inclinaison, dans lequel, dans un état ouvert du support de tuyau (1; 1'), la pièce de support inférieure (3; 3') n'est suspendue qu'au crochet (12) et peut pivoter jusqu'à ce que la butée (20; 17') de limitation d'inclinaison bute contre le bras dépendant (8) correspondant de la pièce de support supérieure (2).
     
    2. Support de tuyau selon la revendication 1, dans lequel la butée de limitation d'inclinaison est constituée d'une bride (20) qui s'étend vers l'extérieur selon un angle obtus (α) par rapport au bras (17) s'étendant vers le haut.
     
    3. Support de tuyau selon la revendication 2, dans lequel l'angle obtus (α) est compris dans la plage allant de 100 à 130°.
     
    4. Support de tuyau selon la revendication 2 ou 3, dans lequel l'angle obtus (α) est d'environ 120°.
     
    5. support de tuyau selon l'une quelconque des revendications 2 à 4, dans lequel la bride (20) de limitation d'inclinaison a à son extrémité distale deux saillies (26) formées sur elle, dans lequel, dans un état fermé du support de tuyau (1), une partie (14) de crochet s'étendant vers le haut est reçue entre lesdites saillies (26).
     
    6. Support de tuyau selon l'une quelconque des revendications précédentes, dans lequel le crochet (12) a une partie transversale (13) qui s'étend depuis le bras dépendant (8) de la pièce supérieure (2) dans une direction transversale et dans lequel le crochet (12) a une partie (14) s'étendant vers le haut qui s'étend vers le haut à partir de la partie transversale (13) de crochet et est espacée dudit bras dépendant (8), et dans lequel il y a une distance (d1) entre un bord supérieur de l'ouverture (19) et la butée (20; 17'), laquelle distance dépasse la distance (d2) entre le bras dépendant (8) et la partie (14) de crochet s'étendant vers le haut.
     
    7. Support de tuyau selon la revendication 6, dans lequel le crochet (12) a généralement une forme en L, dans lequel l'extrémité de la jambe horizontale du L est ladite partie transversale (13) de crochet et est reliée au bras dépendant (8) de la pièce de support supérieure (2), et dans lequel la jambe verticale du L est ladite partie (14) de crochet s'étendant vers le haut, qui s'étend de préférence parallèlement au bras dépendant (8) de la pièce de support supérieure (2).
     
    8. Support de tuyau selon la revendication 7, dans lequel, lorsque la butée (20; 17') de limitation d'inclinaison bute contre le bras dépendant (8) de la pièce de support supérieure (2), l'ouverture (19) dans le bras (17) correspondant s'étendant vers le haut est située à l'angle de la forme en L.
     
    9. Support de tuyau selon l'une quelconque des revendications 5 à 8, dans lequel la partie (14) de crochet s'étendant vers le haut est pourvue d'un alésage (15) aligné avec lesdits alésages (10, 11) dans les bras dépendants (8, 9), dans lequel le boulon (25) s'étend à travers lesdits alésages (10, 11, 15) alignés dans les bras dépendants (8, 9) et la partie (14) de crochet s'étendant vers le haut.
     
    10. Support de tuyau selon la revendication 9, dans lequel au moins deux des alésages (10, 11, 15) sont des alésages filetés adaptés pour coopérer avec un filetage mâle sur la tige du boulon (25).
     
    11. Support de tuyau selon l'une quelconque des revendications précédentes, dans lequel le bras dépendant (9), opposé au bras dépendant (8) où le crochet (14) est pourvu, a au moins une excroissance (24) s'étendant vers l'extérieur, et dans lequel le bras (18) correspondant s'étendant vers le haut de la pièce de support inférieure (3; 3') a au moins un évidement (23) pour recevoir l'au moins une excroissance (24) dans un état fermé du support (1).
     
    12. Support de tuyau (1; 1') comprenant une pièce de support supérieure (2) et une pièce de support inférieure (3; 3'), ladite pièce de support supérieure (2) étant adaptée pour être montée sur un élément de support (101) et ayant des bras dépendants (8, 9), et ladite pièce de support inférieure (3; 3') ayant une partie de selle (16) pour supporter un tuyau (100) et des bras (17, 18) s'étendant vers le haut à partir de la partie de selle (16), dans lequel, dans un état fermé du support de tuyau (1; 1'), les bras dépendants (8, 9) de la pièce supérieure de support (2) sont couplés aux bras (17, 18) correspondants de la pièce inférieure de support (3; 3'), dans lequel l'un (8) des bras dépendants (8, 9) de la pièce supérieure de support (2) a un crochet (12) formé sur une extrémité inférieure, ledit crochet (12) ayant une partie transversale (13) qui s'étend depuis le bras dépendant (8) de la pièce de support supérieure (2) dans une direction transversale et ayant une partie (14) s'étendant vers le haut qui s'étend vers le haut depuis la partie transversale (13) de crochet et étant espacée d'une distance (d2) dudit bras dépendant (8), et dans lequel le bras (17) correspondant s'étendant vers le haut de la pièce de support inférieure (3; 3') comprend une ouverture (19) qui est disposée par-dessus le crochet (12), caractérisé en ce qu'il y a une distance (d1) entre un bord supérieur de ladite ouverture (19) et une butée (20; 17') située à l'extrémité dudit bras (17) s'étendant vers le haut, laquelle distance (d1) étant supérieure à ladite distance (d2) entre le bras dépendant (8) de la pièce de support supérieure (2) et la partie (14) de crochet s'étendant vers le haut.
     




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    Cited references

    REFERENCES CITED IN THE DESCRIPTION



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    Patent documents cited in the description