[0001] The present invention relates to a coffin comprising a framework for defining a bottom
surface and at least one upright wall surface, wherein at least one wall surface is
covered with braiding on the outer side. The term braiding as used herein also comprises
woven fabric.
[0002] Such a coffin is known from DE 198 18 558 A1, which discloses a coffin that is less
environmentally polluting than a coffin comprising panels of solid wood, the required
shape stability being provided by a frame made of softwood slats. Said slats are provided
with through bores for receiving thin elements of a natural braiding material, such
as cane, water-hyacinth or willow. A drawback is the fact that such a coffin still
will not readily decompose or combust when buried in the ground or when cremated.
Consequently, it is an object of the present invention to provide a coffin which obviates
the above drawback at least partially and which will decompose or combust more rapidly
than the known coffin when buried in the ground or when cremated. This object is accomplished
with the present invention by a coffin as referred to in the introduction, wherein
the braiding comprises paper. Paper is a material which is easy to braid, which decomposes
in the ground and which has excellent combustion properties. A further advantageous
aspect is the fact that paper is a light-weight material, so that a very light coffin
is provided. This is in particular advantageous because the coffin must frequently
be carried without a corpse being present therein. This can be done by a single person,
as the total weight of the coffin will be lower than the maximum weight that (in accordance
with the Dutch Working Conditions Act) a person is allowed to lift.
[0003] Preferably, the braiding comprises strands of paper, for example in the form of "loom".
Loom is a strand-like product, which is formed by braiding moist strands of paper
similarly to a rope, after which the strands are dried. Paper decomposes and burns
more rapidly than wood, especially when air is contained in the paper, as is the case
with loom. Traditionally, the paper used in loom is reinforced by means of a core
of another material, for example iron wire, but said reinforcing may be left out in
this case, so that the braiding only consists of (strands of) paper.
[0004] In a preferred embodiment, a box is provided within the framework, in which box a
corpse can be placed in use. In the first place, the box provides additional shape
stability to the framework and, in addition, the cardboard provides more or less airtight
layers, so that the coffin can be sealed more or less airtight by means of a lid.
[0005] The box is preferably made of cardboard. Cardboard provides a good combination of
strength and decomposability. This is especially the case with corrugated cardboard,
since air, and thus oxygen, is contained in the corrugated cardboard between the layers
of paper.
[0006] Preferably, the box is provided with a liquid-tight layer, preferably on the inner
side. Said layer prevents leakage of bodily fluids from the corpse to the outside
of the coffin.
[0007] Furthermore, markings that indicate drilling positions for fixing various kinds of
fittings are preferably present on the inner side the box.
[0008] In another preferred embodiment, the framework defines side wall surfaces between
which at least one strap extends under the bottom surface so as to provide additional
load-bearing capacity when a corpse is to be supported in the coffin in use. This
aspect gives the coffin additional strength, which is desirable in particular when
the coffin is being moved.
[0009] Said straps are preferably made of jute. Jute is a material which provides sufficient
load-bearing capacity and which, in addition, decomposes rapidly and burns well.
[0010] In a preferred embodiment, the coffin is provided with an at least partially removable
lid comprising a framework provided with a covering that comprises paper. In this
way the lid will have the same environmentally friendly properties as the coffin.
[0011] Preferably, a layer of cardboard extends over the framework of the lid on the side
remote from the braiding. The layer of cardboard has the same function as the cardboard
used in the coffin.
[0012] The paper of the lid is preferably supported by a supporting layer that extends over
the entire lid. As the lid is opened and closed a number of times during the time
a body lies in state, or even removed from the coffin to be placed back at a later
point in time, it will be advantageous for the lid to have additional strength and
to be self-sustaining, especially in the open position.
[0013] The supporting layer is preferably made of wood. Wood, and in particular plywood,
provides sufficient strength and, in addition, has relatively good biodegradation
and combustion properties.
[0014] Preferably, the framework of the coffin and/or of the lid comprises wooden slats.
Also in this case, wood is chosen because of the biodegradability and combustibility
of the material. Generally, softwood slats can be chosen for environmental reasons.
[0015] Preferably, the framework of the coffin and/or the lid comprises glued-together finger
joints. The use of glue obviates the need to use additional jointing elements, such
as nails or staples, which would have an adverse effect on the environmentally friendly
nature of the coffin. The finger joint provides a relatively large glueing area, so
that a better bond can be obtained.
[0016] In another preferred embodiment, the coffin is provided with fittings made of wood
or loom. This contributes to the environmentally friendly nature of the coffin.
[0017] The present invention will be discussed in more detail below by means of a description
of a preferred embodiment of the invention. In the description, reference will be
made to the appended schematic figures, in which:
Figure 1a is a perspective view of a coffin according to the present invention;
Figure 1b is a detail view of a braiding pattern that may be used; and
Figure 2 is a cross-sectional view of the coffin of figure 1.
[0018] With reference to figure 1a, there is shown a coffin 1 comprising a main coffin part
2 and a lid 3. The shape of the coffin 1 is mainly determined by a wooden framework
4, 5 of the main coffin part 2 and the lid 3, respectively. The wooden slats of the
framework 4, 5 are glued together, using finger joints. On the outer side, the framework
4, 5 is covered with a loom braiding 6. Figure 1b shows a braiding pattern for loom,
in which an upper edge is formed by six braided strands 6a-6f. From said edge, a weaving
pattern of horizontal strands 6g of loom woven into vertical strands 6h of loom extends.
The loom material consists of twisted-together strips of paper, in which some air
is contained, inherently to the manufacturing process of loom. The iron wire that
is usually present inside the loom has been left out as far as the braiding of the
main coffin part is concerned. The framework 4, 5 is panelled with cardboard 7 on
the inner side, which cardboard comprises a liquid-tight layer (not shown) at the
inner side of the main coffin part 2; in this embodiment, the cardboard 7 of the main
coffin part 2 is configured as a box folded and glued from a single sheet of cardboard.
The cardboard 7 of the main coffin part 2 is provided with markings (not shown) that
indicate the pre-drilling positions for various kinds of fittings, such as wooden
handles 10, for fixing the wooden handles 10 to the framework 4 of the main coffin
part 2. Jute tensioning belts 8 are furthermore fixed to the outer side of the framework
4 of the main coffin part 2, which belts give the main coffin part 2 additional load-bearing
capacity. The loom braiding 6 on the lid 3 is supported by a plywood plate 9, which
is glued to the framework 5 of the lid 3. Handles 10 are furthermore fixed to the
outer side of the main coffin part 2 for carrying the coffin 1. The coffin 1 may furthermore
be lined with a textile or other material (not shown) on the inside so as to enhance
the appearance of the inside of the coffin. Said lining is preferably made of a material
which will rapidly decompose in the ground and which will rapidly combust upon cremation.
[0019] With reference to figure 2, a cross-sectional view of the coffin 1 of figure 1 is
shown, in which the lid 3 closes the coffin 2. This cross-sectional view clearly shows
the various layers of which the coffin 1 is built up as well as the air-rich construction.
The inside of the coffin 1 is made up of cardboard 7, which is glued to wooden slats
11, 12 forming the structural elements of the coffin 1. This cross-sectional view
shows the finger joints by which the slats 11 are glued together. The bottom 13 of
the coffin is made up of cardboard that is glued to the slats 11 on the outer side
of said slats 11. At the sides, the main coffin part 2 is provided with a loom braiding
on the outer side of the slats 11, 12, which loom braiding is fixed to the slats.
A plywood plate 9 covered with a loom braiding 6 is glued to the outer side of the
slats 11 of the lid 3. Air is present between the cardboard 7 and the plywood 9 of
the lid, which air is more or less trapped between the two layers 7 and 9. The same
applies to the layers of cardboard 7 and 13 of the bottom. On the sides, the presence
of the loom braiding 6 enables air to flow freely between the cardboard 7 and the
loom braiding 6.
[0020] In use, a dead person will lie in state in the main coffin part 2, during which period
the lid 3 may be removed from the main coffin part 2 temporarily. Alternatively, the
lid 3 may be hinged to the main coffin part 2, for example in that the main coffin
part 2 and the lid 3 are joined together by means of loom. Eventually, the dead person
will be buried or cremated in the coffin 1. Since the coffin 1 is mainly made up of
paper and wood, it will decompose relatively easily after being buried and will not
leave any harmful substances in the ground. In the case of cremation, a first advantage
of this coffin is that it is made of materials that combust easily and rapidly. Secondly,
the meshes in the loom braiding 6 and the air in the loom ensure a good supply of
oxygen, so that the combustion process is further accelerated.
[0021] Many modifications to the embodiment of a coffin as described above and as shown
in the figures are possible without limiting the scope of the present invention beyond
the scope that is defined in the appended claims. Thus it is possible, for example,
to fit the coffin with metal fittings and handles, which are removed before the coffin
is definitively buried or cremated. Furthermore it is possible to use suitable materials
other than the aforesaid cardboard and plywood, which materials preferably do not
adversely affect the environmentally friendly nature of the coffin.
[0022] It will be understood that the description and the figures do not have a limitative
effect as regards the scope of the invention as defined in the appended claims. Thus,
the paper may also be woven into a pattern in another form, such as a straight strips
of paper having a high grammage. The loom may be reinforced, for example with iron
wire. In this way a stronger but less environmentally friendly product is obtained.
Furthermore, various patterns, even decorative patterns, may be used for the braiding.
1. A coffin comprising a framework for defining a bottom surface and at least one upright
wall surface, wherein at least one wall surface is covered with braiding on the outer
side, characterized in that said braiding comprises paper.
2. A coffin according to claim 1, characterized in that said braiding comprises strands of paper.
3. A coffin according to claim 1 or 2, characterized in that a box is provided within the framework, in which box a corpse can be placed in use.
4. A coffin according to claim 3, characterized in that said box is made of cardboard.
5. A coffin according to claim 3 or 4, characterized in that said box is provided with a liquid-tight layer.
6. A coffin according to any one or more of the claims 3-5, characterized in that markings that indicate drilling positions for fixing various kinds of fittings are
present on the inner side the box.
7. A coffin according to any one or more of the preceding claims, characterized in that the framework defines side wall surfaces between which at least one strap extends
under the bottom surface so as to provide additional load-bearing capacity when a
corpse is to be supported in the coffin in use.
8. A coffin according to claim 7, characterized in that said straps are made of jute.
9. A coffin according to any one or more of the preceding claims, characterized in that the coffin is provided with an at least partially removable lid comprising a framework
provided with a covering that comprises paper, preferably in the form of strands of
paper, such as loom.
10. A coffin according to claim 9, characterized in that a layer of cardboard extends over the framework of the lid on the side remote from
the braiding.
11. A coffin according to claim 9 or 10, characterized in that the loom of the lid is supported by a supporting layer that extends over the entire
lid.
12. A coffin according to claim 11, characterized in that said supporting layer is made of wood.
13. A coffin according to any one or more of the preceding claims, characterized in that the framework of the coffin and/or the lid comprises wooden slats.
14. A coffin according to any one or more of the preceding claims, characterized in that the framework of the coffin and/or the lid comprises glued-together finger joints.
15. A coffin according to any one or more of the preceding claims, characterized in that the coffin is provided with fittings made of wood or loom.