JPH0325672Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an auxiliary material used for packaging seats such as automobile seats, and particularly to a terminal material for fixing the outer skin to the seat pad.

[Prior art] Fig. 2 shows, for example, a seat 2 used in a car.
FIG. 3 is a conventional sectional view showing the portion where the skin 21 is fixed to the pad 22. This sheet 20 is constructed by stacking wading 23 on a pad 22 and covering the wading 23 with an outer skin 21. Terminal material 24 for fixing this skin 21 onto pad 22 or wading 23
is made of cotton cloth, non-woven fabric, film, gold leather, etc., and is bent into a "U" shape and inserted from the back side into the cavity 27 formed in the pad 22, and the upper part is sewn to the outer skin 21 with sewing thread 25. , the bottom has a paper core, polypropylene wire,
A core material 26 made of iron wire, hard steel wire, etc. is inserted.
This core material 26 is connected to a seat structure 28 such as a seat frame or a cushion spring (cushion spring in this example) with a hog ring 29 or a tension spring, etc., so that the skin 21 can be removed from the back side of the pad. It has the function of fixing to the pad 22.

However, when assembling the terminal member 24, it was difficult to press the core member 26, resulting in poor workability.

Therefore, a terminal member 30 is proposed, which consists of a cylindrical lower part member 31 and a thin plate-like upper part member 32, as shown in FIG. 4, which are integrally molded from plastic such as polyvinyl chloride resin. Served. The upper part of the upper part 32 is bent into a "U" shape and buried in the pad from the back side of the pad, the upper part 32 and the skin are sewn together, and the lower part 31 is attached to the sheet structure. It is used in conjunction with. In this case, the lower member also serves as the core material, and the work of pushing in the core material is omitted, but due to the rigidity of the integrally molded end, the bent portion of the upper member 32 is lifted up as shown in Fig. 5. As a result, the wadding 23 and the skin 21 are raised, which deteriorates the appearance of the seat, and the upper part comes into contact with the body when sitting, making it uncomfortable to sit on.

For this reason, a terminal material shown in Japanese Utility Model Publication No. 57-38050 has been proposed. This terminal member 40 consists of a lower member 42 and an upper member 41 as shown in FIG. This is the solution.

[Problem to be solved by the invention] However, in the conventional method, the lower part 4
2 and the upper member 41 is poor, and large tensions are repeatedly applied thereto, resulting in the disadvantage that the lower member 42 and the upper member 41 separate during use.

In view of these points, it is an object of the present invention to provide a seat end material that solves the above-mentioned drawbacks, does not impair the appearance of the seat, and is comfortable to sit on.

[Means for Solving the Problems] In order to achieve the above object, the present invention consists of a lower part member connected to the structure of the seat and an upper part member sewn to the outer skin covering the pad, and the pad is sewn from the back side of the pad. In the terminal material that is embedded in the pad and fixes the skin to the pad, the upper member is made of a base fabric with low rigidity and has spot-like holes formed in its lower part, and the lower member has two holes parallel to the longitudinal direction. The material is made of a plastic core material having two ribs, and the lower part of the base fabric is inserted between the two ribs of the plastic core material, and the molten plastic is penetrated into the holes of the base fabric to be welded. There is.

[Function] In the present invention, the upper member made of a base fabric with low rigidity is sewn to the outer skin with sewing thread or the like, and provides a force to draw the outer skin toward the pad. Since this upper material is made of fibers with low rigidity, the comfort of sitting is improved without lifting the pad. On the other hand, the lower part made of the plastic core material is prevented from moving upward due to the tensile force of the skin. Even if a large tension is applied to the lower and upper materials due to the tensile force of the skin, spot-like holes are formed in the lower part of the base fabric, which is the upper material, and molten plastic enters into the holes during welding. Since it is welded to the plastic core material that is the lower part, the bond between the two is strong and will not come apart.

[Embodiment] FIG. 1 is a perspective view of an embodiment of the present invention, in which the upper part is made of a base fabric 1 and the lower part is made of a plastic core material 2. The base fabric 1 is made of fibers such as cotton cloth, non-woven fabric, or low-rigidity leather, and since both are materials with low rigidity, even if the outer skin is sewn with sewing thread, the rigidity of the sewn part is low. There is no lifting, which improves sitting comfort. This base fabric 1 has spot-shaped holes 5 formed in its lower part.

The plastic core material 2 is made of plastic such as polypropylene resin or polyvinyl chloride resin. This plastic core material 2 has two ribs 3, 3 formed in its upper part in the longitudinal direction, and the base fabric 1 is inserted between the ribs 3, 3 and then welded. For this welding, a high frequency voltage is applied to the lower part material to heat and melt the inside of the lower part material.
It is integrated with the base fabric 1 by applying pressure. A so-called high frequency welder can be used. In Figure 1, 4
indicates a weld line welded with a high-frequency welder.

Spot-shaped holes 5 are formed in the lower part of the base fabric 1, and during welding, molten plastic enters into the holes 5 and the ribs 3, 3 are connected and welded, so that the base fabric The bond between 1 and the core material 2 becomes strong.

In the terminal material formed in this way, the base fabric and the plastic core material are connected, and as shown in the conventional example, the base fabric 1 is inserted from the back side into the gap of the pad and is attached to the outer skin covering the pad. The plastic core material 2 is sewn and connected to the seat structure such as the seat frame and cushion spring with hog rings or the like to fix the skin to the pad.

[Effects of the invention] According to the invention as described above, since the base fabric and the plastic core material are welded and used, there is no need to press the core material separately, and the assembly of the sheet is simplified. Also, since the base fabric is a material with low rigidity,
There is no lifting of the skin, improving seating comfort and the appearance of the seat. In particular, after the base fabric is inserted between the ribs of the plastic core material, molten plastic enters the hole and the ribs are connected and welded, so the bond between the base fabric and the core material is strong. It has the advantage of being highly durable and able to withstand large amounts of tension.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of one embodiment of the present invention, Fig. 2 is an overall sectional view of a conventional example, Fig. 3 is an enlarged sectional view taken along the line A-A, and Fig. 4 is a perspective view of another conventional example. , FIG. 5 is a sectional view of the assembled state, and FIG. 6 is a perspective view of another conventional example. 1...Base fabric, 2...Plastic core material, 3...
Rib, 4... Welding line, 5... Hole, 21... Skin,
22... Padded, 28... Sheet structure.

Claims (1)

[Claim for Utility Model Registration] Consisting of a lower part connected to the seat structure and an upper part sewn to the outer skin covering the pad, the upper part is embedded in the pad from the back side of the pad to cover the pad. In the terminal material to be fixed to the terminal material, the upper material is made of a base fabric having low rigidity with spot-shaped holes formed in the lower part thereof, and the lower material is made of a plastic core material having two ribs parallel to the longitudinal direction. A sheet terminal material comprising: a lower part of the base fabric is inserted between two ribs of a plastic core material, and the molten plastic is penetrated into the hole of the base fabric to be welded.