[0001] The invention relates to a method for manufacturing a fabric or membrane provided
with at least one loop, for example a textile woven material provided with a coating
layer on at least one side.
[0002] Such a method is known in various embodiments. Use is often made of interwoven threads,
for example, which protrude locally out of the woven material bundle-wise, in this
way forming loops.
[0003] The invention has for its object to perform a method such that it is applicable for
a fabric or membrane of practically any type, including a waterproof type, that it
offers the possibility of a cheap fabric or membrane and that it ensures strong loops.
[0004] With a view to this, the invention provides a method of the type mentioned in the
preamble, which has the characteristic that a fabric or membrane is provided after
which locally a reinforcing film is attached with at least a significant part of
its surface to the fabric or membrane, for example by welding, glueing, a simultaneous
coating operation or laminating, after which the thus formed reinforced part is provided
with two incisions which together bound a loop.
[0005] In a simple embodiment the incisions are arranged parallel to each other.
[0006] In an embodiment which displays the advantage that the loop can more easily be gripped
with the fingers, the method can be performed such that the incisions are formed such
that they are mirror symmetrical realtive to each other and have at their ends a different
distance from each other than in the centre.
[0007] To the same end the incisions can also be arranged such that they each display two
straight parts forming an angle to each other. The angle may be inwardly or outwardly
directed relative to the loop.
[0008] The invention also relates to a method of the type mentioned in the preamble, which
displays the feature that a fabric or membrane is supplied, together with at least
one smaller reinforcing film provided with at least one loop, and that subsequently
the or each film is attached with at least a significant part of its surface at a
pre-selected position to the fabric or membrane, for example by welding or glueing.
[0009] The invention extends further to a fabric or membrane obtained with the methods
described.
[0010] In order to ensure a great strength of the reinforcing film, this may consist of
plastic reinforced with fibres.
[0011] The invention will now be elucidated with reference to the drawing of several embodiments.
In the drawing:
Fig. 1 shows a scaffold with a fabric according to the invention used as a scaffold
covering;
Fig. 2 shows a first embodiment of a fabric according to the invention;
Fig. 3 shows the cross section III-III asccording to fig. 2 at a stage of the manufacture
in which the incision is made by means of a punch;
Fig. 4 shows a piece of reinforcing film with a loop arranged thereon;
Fig. 5 shows an embodiment with a number of strip-like reinforcing films; and
the figures 6, 7, 8 and 9 show in schematic form details showing various forms of
the two incisions which together bound a loop.
[0012] Fig. 1 shows a scaffold 1, covered with a woven material 2 provided with loops according
to the invention. Scaffiold 1 comprises horizontal tubes 14 which serve as fastening
elements for the woven material 2 provided with loops which functions as scaffold
covering.
[0013] Fig. 2 shows the manner in which fastening loops 4 of the woven material 2 are attached
to the horizontal tubes 5. The loops 4 which will be described hereinafter, are removed
manually by a personnel member from the principal plane of the woven material 2, after
which a fastening rope 28 is inserted through each loop 4 and fastened to the relevant
tube 5.
[0014] Fig. 3 shows a first embodiment. In this embodiment a fabric 7 takes a coarse-mesh
form and is provided on both sides with a waterproof plastic coating layer.
[0015] Reinforcing films 8 are arranged locally. These reinforcing films 8 are adhered over
significant parts of their surface to the fabric 7 by welding or glueing. Arranged
through each reinforcing film 8 and the corresponding portion of the fabric 7 are
incisions 10 which together bound loops 11.
[0016] Fig. 4 shows a reinforcing film 16, which consists of plastic reinforced with fibres.
The fibres are interwoven and present locally is a band 17 which is more densely woven
in one direction, and the fibres of which run in the form of a loop over a determined
length outside and over the reinforcing film. This reinforcing film 16 with a loop
18 can be attached, for example by welding or glueing, to a fabric or membrane to
be provided with a loop, without an after-treatment for the arrangement of incisions
being necessary for this purpose.
[0017] Fig. 5 shows a fabric 19 with reinforcing strips 20 which, analogous to the embodiment
according to fig. 2, are provided at regular intervals with incisions 22 bounding
loops 21. Fig. 5 shows these incisions only schematically. The figures which will
be discussed briefly hereafter give the form of the incisions in somewhat more detail.
[0018] Fig. 6 shows an embodiment in which incisions 23 are parallel to each other.
[0019] Fig. 7 shows an embodiment in which incisions 24 are arranged such that they each
display two straight portions forming an angle to each other. In this case the "point"
is directed outward. If required this point can also point inward. In both cases
it is easier for the user to be able to grip the loop formed by incisions 24 with
his fingers than in the embodiment according to fig. 6.
[0020] Fig. 8 shows an embodiment having this same advantage as in fig. 7. Here the incisions
25 are formed such that they are in curved form and directed towards each other in
the centre.
[0021] Finally, fig. 9 shows an embodiment in which two incisions 26 are present as well
as extra incisions 27 extending outward halfway from the loop bounded by the incisions
26. It is self-evident that in this case a user can easily grip a loop bounded by
the incisions 26 with his fingers.
[0022] Attention is drawn to the fact that the arrangement of the incisions can also be
realized by localized heating (sealing) or by cutting.
1. Method for manufacturing a fabric or membrane provided with at least one loop,
for example a textile woven material provided with a coating layer on at least one
side, characterized in that a fabric or membrane is supplied, after which a reinforcing
film is attached locally with at least a significant part of its surface to said fabric
or membrane, fro example by welding, glueing, a simultaneous coating operation or
laminating, and that the thus formed reinforced part is subsequently provided with
two incisions together bounding a loop.
2. Method as claimed in claim 1, characterized in that the incisions are arranged
parallel to each other.
3. Method as claimed in claim 1, characterized in that extra incisions are arranged
approximately halfway on each of the incisions and extending outward from the loop.
4. Method as claimed in claim 1, characterized in that the incisions are formed such
that they are mirror symmetrical relative to each other and have at their ends a
different distance from each other than in the centre.
5. Method for manufacturing a fabric or membrane provided with at least one loop,
for example a textile woven material provided with a coating layer on at least one
side, characterized in that
a fabric or membrane is supplied in addition to at least one smaller reinforcing film
provided with at least one loop,
and that subsequently the or each film is adhered with at least a significant part
of its surface at a preselected position to said fabric or membrane, for example
by welding, glueing, a simultaneous coating operating or laminating.
6. Fabric or membrane with at least one loop, obtained by application of the method
as claimed in any of the previous claims.
7. Fabric or membrane as claimed in claim 6, characterized in that the reinforcing
film consists of plastic reinforced with fibres.