JP2003159141A - Panel type cushion body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a panel type cushion body with stable quality. <P>SOLUTION: This panel type cushion body is constituted by spreading elastic cloth 12 formed with elastic thread 11 across a frame 13. The elastic cloth 12 has continuous bag shape double structure constituted by connecting the surface cloth 14 and the backside cloth 15 at the edges 16, 17. A pair of support rods 19, 20 are inserted into the hollow 18 between the surface cloth 14 and the backside cloth 15, and the edges 16, 17 of the elastic cloth are engaged with the frame 12 by the support rods 19, 20. The elastic thread 11 is used so that the longitudinal direction of the elastic thread 11 is oriented into the direction a pair of the support rods 19, 20 mutually face, and continuously spread between a pair of the support rods 19, 20 in an endless belt shape. Because the elastic cloth 12 is on a condition of cloth woven by a weaving machine or knitted by a knitting machine without finishing such as cutting, sewing, or adhering and spread across the frame 13 only by inserting the support rods 19, 20 into the hollow 18, a panel type cushion body with stable quality can be efficiently and economically obtained. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used by laying it on the floor like a squad or by mounting it on the surface of a stool, or as a cushioning material for a frame of a seat of a vehicle, a ship, an aircraft, etc. The present invention relates to a panel type cushion body that can be incorporated and used.

[0002]

2. Description of the Related Art Cushioning materials used for seats of seats, vehicles, ships, aircrafts, etc. are used as cushioning materials for fiber webs in which fibers called batting are deposited, and fiber webs called resin cotton in which fibers are bonded. , Fiber aggregates such as needle punching felt where fibers are deposited and needle punched, resin foams such as rubber foam and urethane foam, composite laminates in which fiber aggregates and foamed resin bodies are laminated, and design skins Materials are used. Among these, the resin foam is easily burned, and it is difficult to make it flame-retardant, and harmful gas generated during combustion becomes a problem. Although the fiber assembly has a surface that tends to be flame-retardant, it has a larger apparent specific gravity than the resin foam, lacks a compression elastic recovery force, and is easily set and easily becomes a "rice cracker futon". Further, the composite laminate is problematic in that it is difficult to separate it into fibers and foamed resin at the time of disposal and it is difficult to recycle and reuse.

[0003]

Therefore, the applicant of the present application is
A panel type cushion body (hereinafter, also simply referred to as a cushion body) in which an elastic cloth configured by using elastic yarns having an elastic recovery rate of 99% or more after being stretched to 200% is stretched on a frame (hereinafter, simply referred to as a cushion body) has been developed. . This panel type cushion body
It is hard to be plastically deformed, is light and easy to carry, has no problem of flame retardancy, and can be easily separated into elastic cloth and frame at the time of disposal for easy recycling and reuse.
There are many advantages over conventional cushioning materials. However, this panel type cushioning body has a problem that the cushioning property is subtly changed depending on how the elastic cloth is prepared to be stretched over the frame and how the elastic cloth is attached to the frame, making it difficult to obtain a stable quality product. There is.

[0004]

SUMMARY OF THE INVENTION It is therefore an object of the present invention to obtain a panel type cushion body having stable quality.

[0005]

A panel type cushion body according to the present invention is constituted by (a) an elastic cloth 12 made of elastic yarns 11 stretched over a frame 13.
(B) The elastic cloth 12 has a continuous bag-shaped double structure in which the front cloth 14 and the back cloth 15 are folded back at the edges 16 and 17, and a void is formed between the front cloth 14 and the back cloth 15. 18 is formed, (c) the frame 13 has a pair of support rods 19 and 20 facing each other, and (d) the pair of support rods 19 and 20.
20 is inserted in the cavity 18 of the elastic cloth, and the edges 16 and 17 of the elastic cloth are locked to the pair of support rods 19 and 20, and (e) the elastic yarn 11 has its longitudinal direction. The elastic cloth 12 with the pair of supporting rods 19 and 20 facing each other, and (f) the elastic yarn 11 is folded back at the edges 16 and 17 of the elastic cloth and the outer cloth 14 is formed.
And the backing cloth 15 are continuous, and (g) elastic thread 11
Is distributed continuously between the pair of support rods 19 and 20 in the form of an endless belt (endless).

Second aspect of the panel type cushion body according to the present invention
In addition to the first characteristic, (h) the front cloth 14 and the back cloth 15 have an elastic thread 11 between them in the intermediate portion between the pair of supporting rods 19 and 20. (I) The hollow 18 between the front cloth 14 and the back cloth 15 is divided into at least two portions in the middle of the pair of supporting rods 19 and 20.

The third of the panel type cushion body according to the present invention
In addition to the above-mentioned second characteristic, (j) the front cloth 14 and the back cloth 15 have an elastic thread 11 between them in the intermediate portion between the pair of supporting rods 19 and 20. A flat cloth 21 is formed by being tied together to form a single piece. (K) The cavity 18 between the front cloth 14 and the back cloth 15 is divided into two parts by the flat cloth 21 to form edges 16 and 17 of the elastic cloth. The tunnel-shaped slot holes 22 and 22 are formed continuously, and (l) the support rods 19 and 20 are inserted into the tunnel-shaped slot holes 22.

Fourth panel-type cushion body according to the present invention
In addition to any one of the first, second and third characteristics described above, (m) the elastic yarn 11 has a low melting point polyether ester elastomer as a sheath component and a high melting point polyether ester elastomer as a core. It is composed of a core-sheath composite filament elastic yarn that has both heat-sealing property and heat-shrinking property as a component.

Fifth of the panel type cushion body according to the present invention
In addition to the features of any of the first, second, third, and fourth features described above, (n) the elastic yarn 11 has the other yarn 2
3 and the elastic cloth 12 are formed, and the yarns and the yarns are thermally fused.

[0010]

DETAILED DESCRIPTION OF THE INVENTION FIG.
4 and the back cloth 15 are folded back to form a continuous bag-shaped double structure, and an elastic cloth 12 having a cavity 18 between the front cloth 14 and the back cloth 15 is illustrated. FIG. Edge 16
-In the intermediate portion between the support rod 19 and the support rod 20 that locks 17, the cavity 18 between the front cloth 14 and the back cloth 15 is divided into two, and tunnel-shaped slots 22 and 22 that continue along the edges 16 and 17. The elastic fabric 12 forming the is illustrated. These elastic fabrics can be knitted by a flat knitting machine, a circular knitting machine, a shuttle loom, and a circular loom. In the case of using a knitting machine, the elastic yarn and the inelastic yarn are fed from different yarn feeders, and the elastic yarn (inserted yarn) is sandwiched (inserted) between the knit loop and the sinker loop formed by the inelastic yarn (ground yarn). ), The elastic yarn (inserted yarn) is continuously knitted in a straight direction without forming stitches in the course direction. In the case of using a loom, the elastic cloth is woven using the non-elastic yarn 23 as the warp and the elastic yarn 11 as the weft. In the elastic fabric 12 in which the front cloth 14 and the back cloth 15 are folded back at the edges 16 and 17, and formed into a cylindrical shape, the front cloth 14 and the back cloth 15 are sewn along the edges 16 and 17,
The cavity 18 is divided into three by the sewing thread 29, and the edge 16.1.
It is also possible to form tunnel-shaped slots 22 and 22 continuing along 7 (FIG. 4).

The elastic yarn preferably has a breaking elongation of 60% or more and an elongation of 15% and an elastic recovery of 90% or more after stretching. Preferably, the breaking elongation is 60%
Above, the elastic recovery rate after stretching was 95% and the elastic recovery rate after stretching was 95%.
% Or more, polyetherester elastomer elastic yarn, rubber yarn, spandex yarn or the like is used. A more preferable elastic yarn is a core-sheath composite filament elastic yarn having a low melting point polyether ester elastomer as a sheath component and a high melting point polyether ester elastomer as a core component, which has both heat fusion properties and heat shrinkability. Non-elastic yarns usually have a breaking elongation of less than 60% and an elastic recovery of less than 90% after elongation to less than 30%, such as nylon, polypropylene fiber, polyester fiber, aramid fiber, glass fiber, etc. Using synthetic filament yarn. A preferred inelastic yarn is a polyester filament yarn, which is similar in fiber material to a polyetherester elastomeric elastic yarn.

The frame shown in FIG. 3 has two (a pair) support rods 19 and 20 over which elastic cloth is stretched, and two connecting rods between the tip ends 24 of the two support rods 19 and 20. It is constituted by the connecting members 25 and 26. Connecting material 25
Reference numeral 26 denotes a tip end portion 2 of the protruding end portions 27, 27 bent at both ends thereof in the same direction and protruding when bent.
8 and 28 are further bent in the same direction so as to form a generally U-shape, and the tip ends 28 and 28 of the support rods 18 and 28 are externally or internally fitted and joined. It is preferable to use a pipe (steel pipe) that is fitted on the other side of either one of the connecting member and the supporting rod.

In the frame 13, after inserting the support rods 19 and 20 into the cavity 18 and the slot 22 of the elastic cloth, both ends 2 thereof are formed.
4 and 24 may be joined to the connecting members 25 and 26 to assemble, or two connecting members 25 and 26 may be assembled as shown in FIG.
The two support rods 19 and 20 joined to one of them (25) are inserted into the cavity 18 and the slot 22 of the elastic cloth, and the remaining one connecting member (26 ) And may be assembled. As shown in FIG. 1, in the elastic cloth 12 in which the cavity 18 is continuous from the edge 16 to the other edge 17, the support rods 19 and 20 and the connecting members 25 and 26 are joined as shown in FIG. The frame 13 assembled into a frame shape is inserted into the cavity 18, and the support rod 19 and the support rod 2 are inserted.
It is also possible to stretch the elastic cloth 12 between 0. In the elastic fabric 12 using the elastic yarn 11 having the heat-fusible property and the heat-shrinkable property, the elastic fabric 12 is stretched over the frame 13 and then heat-treated to fuse between the elastic yarn 11 and the non-elastic yarn 23. , The elastic cloth 12 by the thermal contraction of the elastic yarn 11
Tension between stake 19 and stake 20.

As shown in FIG. 4, two support rods 19.2 are provided.
0 is joined to one connecting member 25 to form a U-shaped frame 13, or as shown in FIG.
In the case of using the frame 13 in which 20 and the connecting members 25 and 26 are joined to form a square shape, the front cloth 14 and the back cloth 15 are folded back at the edges 16 and 17, and the elastic cloth 12 is formed into a cylindrical shape. The front cloth 14 and the back cloth 15 are sewn on one side of the cavity 18, and one side of the cavity 18 is closed by a sewing thread 29 to form a bag made of the elastic fabric 12, and the frame 13 having a U shape or a square shape is formed in the cavity 18. You can also plug it in.
In the U-shaped frame 13, it is not always necessary to insert the free ends of the support rods 19 and 20 with the connecting members (26) after inserting them into the cavity 18, and to form the U-shape. It can also be used in the state. Therefore, in the frame 13 having a U-shape, the support rod 19
It is possible to insert the connecting member (25) connecting the ends of 20 into the cavity 18 whose one side is closed by the sewing thread 29, and not to connect the connecting member (26). It is also possible to insert the free ends of the support rods 19 and 20 into the cavity 18 closed on one side by the sewing thread 29 with the tip of the support rods 19 and 20 facing forward. Similarly, both ends of the supporting rods 19 and 20 are bent at the frame 13 (FIGS. 1 to 3) which has a U-shaped side surface following the protruding ends 27 and 27 of the connecting members 25 and 26 which are bent. The connecting member 25 (26) can be inserted into the cavity 18 closed by the sewing thread 29, or the support rods 19 and 20 can be inserted.
The protruding end 27 of the connecting member 25/26 whose one end is bent
・ Frame 1 that continues to 27 and has an L-shaped side surface
3 (in FIG. 5, the bent connecting member is used as the sewing thread 29).
It can also be inserted into the cavity 18 which is closed by. In that case, the elastic fabric 12 stretched between the support rods 19 and 20 has a three-dimensional shape that is bent into a U-shape or an L-shape according to the frame 13. However, in the present invention, there is no reason to stretch the elastic fabric 12 in a plane, and the elastic fabric 12 can be stretched in a three-dimensional shape that is bent into a U-shape or an L-shape. It is possible to obtain a panel type cushion body that fits into the body shape by stretching the shape. Figure 1
FIG. 5 shows the support rods 19 and 20 using pipes and the connecting member 25.
-Figure 13 shows the frame 13 assembled by 26. The frame 13 can be formed integrally with the support rods 19 and 20 and the connecting members 25 and 26 by casting or plastic injection molding, and by bending the metal pipe or the metal rod, the support rods 19 and 20 can be formed. The connecting members 25 and 26 may be integrally formed.

[0015]

[Embodiment] A normal polyester monofilament yarn (330 dtex / 2-ply yarn) is used as the base yarn, and a low melting point polyether ester elastomer is used as a sheath component and a high melting point polyether ester elastomer is used as a core component as an insertion yarn. Polyester ester elastomer core-sheath composite monofilament elastic yarn (2080 dtex, Toyobo Co., Ltd. product name: Diaflora) is used and 12 gauge (12
Cylinder elastic fabric (needle wale density 12 wale / 25.4 mm, course density 34 course / 25.4 mm) cavities (needle / 25.4 mm), diameter 11 × 25.4 mm knitted by an inlay jersey circular knitting machine (cavity density 34 courses / 25.4 mm) 18), the branch rod (19)
Insert the frame (13) connecting the support rod (19) and the support rod (20) with the connecting members (25, 26) set so that the distance between the support rod and the support rod (20) is 40 cm, and The elastic cloth (12) is stretched between the support rods (19) and the support rods (20), and subjected to dry heat treatment at 190 ° C. for 2 minutes, so that the elastic fabric is provided between the support rods (19) and the support rods (20). A panel type cushion body in which (12) was strained was obtained. The elastic fabric after the dry heat treatment had a wale density of 13 wales / 25.4 mm and a course density of 36 courses / 25.4 mm, and the insertion yarn and the ground yarn were heat-sealed to form a cutting opening (connecting the panel type cushion body). There is no loosening of the inserted yarn or the ground yarn from the edge on the side of the rod), and the top and bottom cloths (14) and back cloth (15) above and below the cavity (18)
The stitches were stable as if they were fixed by resin processing.

[0016]

The panel type cushioning body of the present invention is constructed by stretching the elastic cloth 12 on the frame 13, and the elastic cloth 12 stretched on the frame 13 is arranged.
However, it is in the state of a raw machine composed of a loom or a knitting machine that has not undergone any tailoring treatment such as cutting, sewing, or adhering to stretch it on the frame 13, Frame 1 just by inserting support rods 19 and 20
It can be obtained efficiently and economically because it is spread over 3.

Since it is not necessary to cut in such a manner, the elastic cloth 12 tends to be dimensionally varied or deformed during the cutting process, and the elasticity between the supporting rods 19 and 20 due to the dimensional variation or deformation. Tension unevenness of the fabric 12, the support rod 19
There is no room for defects such as wavy wrinkles that tend to occur in the elastic fabric 12 after being stretched between the supporting rod 19 and the supporting rod 20, and the supporting rod 19 and the supporting rod 2
The elastic cloth 12 stretched between 0 can be made to have a constant tension.

Also, since it is not necessary to sew or adhere,
Elasticity of the elastic fabric 12 is locally changed by sewing thread or adhesive locally fixed by sewing or adhesion,
There is no room for local abnormal deformation such as local cracks and local wrinkles in the elastic fabric 12, and further, the elastic yarn 11 has the edge 1
Since it is folded back at 6/17 and is continuously distributed evenly in the form of an endless belt (endless), the support rods 19 and 20 are supported.
The cushioning property on the entire surface of the elastic fabric 12 stretched between the two can be always made uniform.

In this way, the panel type cushion body is assembled simply by inserting the support rods 19 and 20 into the cavity 18.
Since there is no room for tension or cushioning irregularities to be generated in the elastic fabric 12 during the manufacturing process, it is possible to efficiently and economically provide a cushion body of stable quality without inspection.

When the elastic fabric 12 has a structure in which the cavity 18 is bisected at an intermediate portion between the support rod 19 and the support rod 20, the support rod 1
The elastic cloth 12 stretched between 9 and the support rod 20 does not shift during use, and the physical properties and quality of the elastic cloth 12 are stabilized.

Further, a core-sheath composite filament elastic yarn having a heat-melting property and a heat-shrinking property, which has a low melting point polyether ester elastomer as a sheath component and a high melting point polyether ester elastomer as a core component, is used as the elastic yarn, Branch 19
In the elastic fabric 12 which is stretched between the rod and the support rod 20 and then heat-treated, the weaving structure and the knitting structure are not fixed and the texture shift and the stitch shift do not occur. It is possible to stretch over the frame 13 without difficulty, because there is no need to strongly pull and tension when stretching.

Even if the non-elastic yarn 23 (ground yarn / warp yarn) is mixed with the polyetherester elastomer core-sheath composite filament elastic yarn 11 (inserted yarn / weft yarn), the non-elastic yarn 23 (ground yarn / warp yarn) is used. When using a normal polyester monofilament yarn, the elastic fabric 12
And it can be collected separately in the frame 13 and can be reused (recycled) easily.

[Brief description of drawings]

FIG. 1 is a perspective view of a panel type cushion body according to the present invention, in which a part of the cushion body is surrounded by a circle and enlarged.

FIG. 2 is a perspective view of a panel type cushion body according to the present invention, in which a part of the cushion body is surrounded by a circle and enlarged.

FIG. 3 is an assembled perspective view of a panel type cushion body according to the present invention, and a part of the cushion body is surrounded by a circle and enlarged.

FIG. 4 is an assembled perspective view of a panel type cushion body according to the present invention.

FIG. 5 is an assembled perspective view of a panel type cushion body according to the present invention.

[Explanation of symbols]

11 elastic thread 12 Elastic cloth 13 frames 14 table cloth 15 Lining cloth 16 ・ 17 Edge 18 cavities 19/20 Branch 21 flat cloth 22 slot 23 Inelastic thread 24 tip 25 connecting material 26 Connecting material 27 protruding end 28 Tip 29 sewing thread

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) D04B 1/18 D04B 1/18 1/22 1/22 F term (reference) 3B096 AA01 AB08 AC01 4L002 AA05 AA07 AB02 AB05 AC01 AC05 EA06 FA06 4L048 AA21 AA23 AA28 AA51 AB10 AB16 AC12 AC18 BB04 BB05 CA04 DA24 EB05

Claims (5)

[Claims] 1. A panel type cushion body, comprising: (a) an elastic cloth (12) composed of elastic yarns (11) stretched over a frame (13); and (b) an elastic cloth (12). However, the front cloth (14) and the back cloth (15) are folded back at the edges (16, 17) to form a continuous bag-like double structure, and the front cloth (14) and the back cloth (15) are formed. A cavity (18) is formed between them, and (c) the frame (13)
Has a pair of support rods (19, 20) facing each other,
(D) The pair of support rods (19, 20) are inserted into the cavity (18) of the elastic cloth, and the pair of support rods (19
The end edges (16, 17) of the elastic fabric are locked to (20), and (e) the elastic yarn (11) has a pair of support rods (19) and support rods (20) in the longitudinal direction. The elastic cloth (12) is formed in the facing direction, and (f) the elastic yarn (11) is folded back at the edges (16, 17) of the elastic cloth and the front cloth (14) and the back cloth (14). 15) continuous between (g) elastic thread (11) and a pair of support rods (19)
A panel type cushion body characterized by being continuously distributed in the form of an endless belt (endless) between the base and the stem (20). 2. (h) A cover cloth (1) is provided at an intermediate portion between the pair of support rods (19) and support rods (20) according to claim 1 above.
4) and the backing cloth (15) are composed of elastic threads (1
1), and (i) a pair of support rods (1
In the middle part between 9) and the support rod (20), the outer cloth (14)
A panel cushion body according to claim 1 wherein the cavity (18) between the lining and the backing (15) is divided into at least two. (J) A cover cloth (1) is provided at an intermediate portion between the pair of supporting rods (19) and supporting rods (20) according to the above-mentioned claim 2.
4) and the backing cloth (15) are composed of elastic threads (1
1) to form a unitary flat cloth (21), and (k) the cavity (18) between the front cloth (14) and the back cloth (15) is the flat cloth (21). 21) to form a tunnel-shaped slot (22, 22) which is divided into two parts and is continued along the edge (16, 17) of the elastic fabric. (L) A support rod () is attached to the tunnel-shaped slot (22). 19. The panel type cushion body according to claim 2, in which 19) is inserted. (M) The elastic yarn (11) according to claim 1, claim 2 or claim 3 has a low melting point polyether ester elastomer as a sheath component and a high melting point polyether ester elastomer as a core component. The panel type cushioning material according to claim 1, claim 2 or claim 3, wherein the panel type cushioning material is composed of a core-sheath composite filament elastic yarn having both heat-sealability and heat-shrinkability. (N) (n) The elastic yarn (11) according to the above-mentioned claim 1, claim 2, claim 3 and claim 4 is replaced by another yarn (2).
The panel type cushion body according to claim 1, claim 2, claim 3 or claim 4, wherein the elastic cloth (12) is formed together with the elastic cloth (3), and the threads are thermally fused. .