JPH05211910A - Hook-and-loop fastener engaging piece for seat cushion - Google Patents

Abstract

PURPOSE:To provide a hook-and-loop fastener engaging piece of simple structure which are easily embedded in foaming material without permeation of the foaming material into a fastening part upon foam molding. CONSTITUTION:A piece of base plate 1 is provided with a fastening part 2 having a plurality of hooks on the surface, a finny sealing part 3 on the periphery, inclining outward, almost as high as or a little higher than the fastening part 2, and a securing leg 4 on the back, to be embedded in foaming material. The engaging piece is formed by a synthetic resin integral mold. The piece is set with magnetism or mechanically in such a way that the sealing part 3 is brought into contact with inside wall of a mold upon foam molding of a cushion, and then foaming material is injected and the securing legs 4 are embedded in the foaming material.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat cover for a surface of a cushion material in a vehicle seat such as an automobile.
That is, a stopper used to apply the skin material,
The fastener relates to a hook-and-loop fastener that is embedded and fixed in the cushion material when the cushion material is foam-molded.

[0002]

2. Description of the Related Art Conventionally, a fastener for a seat cushion of this type is a surface fastener type, and a hook-shaped fastener surface is formed on a surface of a base cloth except for both side edges, and the fastener surface is protected. The membrane is adhered to the surface of the base cloth at the periphery of the fastener surface, the fastener surface is surrounded, and a fixing member with an expansion head is provided on the back surface of the base cloth. There is known a stopper that is formed so as not to penetrate into the cushion material and that the fixing member is embedded and fixed in the cushion material. (Tokuhei 3-602
(See Japanese Patent No. 91)

[0003]

The known example described in the preceding paragraph is to embed and fix the fixing member of the stopper at the time of foam molding of the seat cushion material, and to prevent the foam material from penetrating into the fastener surface with a protective film. It is a good idea to cover and protect the fastener surface. However, in order to embed and fix this stopper to the seat cushion material, special processing must be added to form a recess in the inner wall of the foam molding die that can accommodate a part of the stopper, and In order to prevent the foam material from penetrating into the fastener surface during foam molding, the protective film must be adhered to the tape, and therefore the step of adhering the protective film is required to manufacture the fastener, which is complicated. .. Further, even after the foam molding of the seat cushion, the residue of the protective film sometimes remains on the fastener surface depending on the molding conditions.

In order to solve the above-mentioned problems, the surface fastener stopper for a seat cushion of the present invention has a flat inner wall without any special processing of the surface fastener stopper, for example, a foam molding die. The embedding can be performed reliably and easily even on a flat mold surface. A further great advantage is that the fastener itself can be manufactured by a simple method, a protective film is not required due to the structure of the fastener, and therefore there is no adverse effect that the residue remains after foam molding, and the surface fastener fastener with a good appearance is obtained. It is an object of the invention to provide a tool.

[0005]

In order to achieve the above-mentioned object, a hook-and-loop fastener for a seat cushion according to the present invention has a large number of locking portions arranged on the surface of a substrate made of synthetic resin,
A fin-shaped sealing part in the outer oblique direction is provided around the peripheral edge of the board at the same height as the locking part or slightly higher than that, and fixed leg parts for embedding and fixing are erected on the back surface of the board. The main components are hook-and-loop fasteners for seat cushions.

Then, a fin-shaped sealing portion having an outward oblique direction is provided around the peripheral side edge of the substrate, and a cover body having fixing leg portions for embedding and fixing is formed on the back surface of the substrate integrally with synthetic resin. And a hook-and-loop fastener for a seat cushion, in which a hook-and-loop fastener piece having a locking portion is bonded to the upper surface of the substrate of the cover body.

A fastener for a seat cushion in which a fixed leg portion having a resistance portion that cannot be removed from the foam material is erected on the back surface of the substrate, and magnetic metal powder is mixed with synthetic resin. It is also a hook-and-loop fastener for seat cushions that is formed by molding a fastener and has magnetism.

[0008]

The surface fastener fastener for a seat cushion of the present invention is as described above, and a sealing portion is provided on the peripheral edge of the surface of the surface fastener fastener so that the foam material does not penetrate into the engaging portion during foam molding. Since it is installed at approximately the same height as the locking part and fixed leg parts for embedding and fixing are erected on the back surface, when the surface fastener stopper is embedded in the foam material, it may be magnetic or mechanical. However, the fixing leg is pressed against the inner wall of the foaming mold so that the stopper is pressed against the inner wall of the molding die, and then the foaming material is injected into the molding die. After embedding the part and fixing the hook-and-loop fastener to the seat cushion, the hook-and-loop fastener attached to the seat cover, that is, the skin material and the hook-and-loop fastener are engaged, and the skin material is attached to the seat cushion. ..

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a hook-and-loop fastener for a seat cushion according to the present invention will be specifically described below with reference to the drawings.

The drawings show an embodiment of a hook-and-loop fastener according to the present invention. The first embodiment shown in FIGS. 1, 2 and 3 has a large number of hooks on the surface of a substrate 1 in the form of a small piece. -Shaped locking portion 2 is provided, and a fin-shaped sealing portion 3 having an outward oblique direction is provided on the outer side of the locking portion 2, that is, on the peripheral side edge of the substrate 1, at substantially the same height as the locking portion 2, if possible. The sealing portion 3 is provided so as to be slightly protruded from the locking portion 2, and a fixing leg portion 4 for embedding and fixing in the foam material of the seat cushion is provided on the back surface of the substrate 1 so as to project.
An enormous head portion 5 is provided at the tip of the fixed leg portion 4,
The stopper itself is integrally molded by injection molding means of synthetic resin such as polyamide or polyester.

Next, in a second embodiment shown in FIGS. 4 and 5, a fin-shaped sealing portion 7 is provided on the peripheral side edge of a small piece-shaped substrate 6 and is provided on the back surface of the substrate 6. A fixed leg portion 8 for embedding and fixing in a foam material of a seat cushion is projected, and a cover body 10 in which a huge head portion 9 is formed at the tip of the fixed leg portion 8 is injected with a synthetic resin such as polyamide or polyester. A so-called hook-and-loop fastener piece (male body) integrally formed by a forming means, on the other hand, a hook-shaped engaging portion 12 is woven on the surface of a base cloth 11 made of a woven cloth of synthetic fibers such as polyamide and polyester.
The surface fastener 13 is formed by superposing and bonding 13 on the upper surface of the substrate 6 of the cover body 10 at a height substantially the same as that of the sealing portion 7, preferably in a slightly lower state.

As shown in FIGS. 6 and 7, the form of the sealing portion in these fastener fasteners is a bifurcated sealing portion 1.
It is also possible to form it on the sealing part 15 in the form of a rectangular piece or a long piece so that it closely adheres to the foaming mold, and as shown in FIG. 8, the substrate 16 may be formed in a long shape. ..

Further, the fixed leg portion integrally molded on the back surface of the substrate of the hook-and-loop fastener and fixed to be embedded in the foamed material has a large number of loop-shaped fixed leg portions 1 as shown in FIG.
7 may be provided upright and formed with a resistance portion so as not to be easily removed from the foam material. Further, as shown in FIG. 10, the fixed leg portion 18 is provided with several arch-shaped resistance portions. It is also possible to prevent the foamed material from being removed from the foamed material, and as shown in FIG. 11, the fixed leg portion 19 is formed into a shape having a clog-shaped resistance portion to remove the foamed material from the foamed material. Can be prevented. It is also possible to make the hook-and-loop fastener have magnetism by mixing magnetic metal powder into the stopper itself formed by integral molding of synthetic resin or the material of the cover body and molding.

The hook-and-loop fastener of the present invention has the structure as described above, and the use mode thereof may be magnetic or mechanical, as described in the section of the operation, but it may be a foaming mold. On the other hand, the fixed legs are pressed and fixed so that they face outward, the sealing part is brought into close contact with the molding die, and then foamed synthetic resin such as polyurethane foam is injected into the mold to foam and the surface fastener fastener is made of foam material. Attach to. The hook-and-loop fastener can be used alone or as a connected body connected by connecting threads.

[0015]

The surface fastener fastener for a seat cushion according to the present invention has the structure as described above, and has the following effects.

Since the fin-shaped sealing portion is provided around the peripheral edge of the substrate at the same height as the engaging portion or in a slightly protruding form, when the stopper is pressed against the foaming mold, the fin is pressed. The sealing portion is in close contact with the inner wall of the molding die, and the synthetic foam resin does not permeate, so that the infiltration of the foam material can be reliably prevented. Moreover, since it is not necessary to coat the protective film as in the conventional case,
The stopper can be easily manufactured, and since it is not necessary to perform special processing such as a recess on the inner wall of the molding die, the stopper can be easily embedded and the stopper can be manufactured at low cost. it can.

Further, since the surface fastener piece (male body) having the engaging portion is simply attached to the cover body having the sealing portion, the existing surface fastener can be easily used, and as a result, the appearance can be inexpensively formed. A good hook-and-loop fastener can be provided. Further, since the resistance portion is provided on the fixed leg portion, various excellent effects such as preventing the seat cushion material from being removed from the seat cushion material can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view of an integrally molded surface fastener stopper.

FIG. 2 is a rear perspective view of the above.

FIG. 3 is a vertical sectional view of the above.

FIG. 4 is a perspective view showing a state before a surface fastener fastener is bonded by bonding a surface fastener piece and a cover body.

FIG. 5 is a vertical cross-sectional view showing a state after the above-mentioned adhesion.

FIG. 6 is a vertical cross-sectional view of the hook-and-loop fastener showing the deformation of the sealing portion.

FIG. 7 is a vertical cross-sectional view of a hook-and-loop fastener with a sealing portion further modified.

FIG. 8 is a rear perspective view of the elongated fastener fastener.

FIG. 9 is a rear perspective view of a hook-and-loop fastener having loop-shaped fixed legs.

FIG. 10 is a rear perspective view of a hook-and-loop fastener having an arch-shaped fixed leg portion.

FIG. 11 is a rear perspective view of a hook-and-loop fastener having a geta-shaped fixed leg portion.

[Explanation of symbols]

 1, 6, 16 Substrate 2, 12 Locking part 3, 7, 14, 15 Sealing part 4, 8, 17, 18, 19 Fixed leg part 10 Cover body 11 Base cloth 13 Surface fastener piece

Claims (4)

[Claims] 1. A plurality of locking portions 2, 12 are provided on the surface of a substrate 1, 6, 16 made of synthetic resin, and a fin-shaped sealing in an outward oblique direction is provided on a peripheral side edge of the substrate 1, 6, 16. The stoppers 3, 7, 14, 15 are provided at substantially the same height as the engaging portions 2, 12, and fixed leg portions 4, 8, 17, 18, for embedding and fixing are provided on the back surfaces of the substrates 1, 6, 16. A hook-and-loop fastener for a seat cushion, characterized in that 19 is provided upright. 2. A cover body 10 having a fin-like sealing portion 7 which is inclined outwardly around the peripheral side edge of the substrate 6, and a fixing leg portion 8 for embedding and fixing is provided on the back surface of the substrate 6. It is formed by integral molding of synthetic resin, and the engaging portion 12 is formed on the upper surface of the substrate 6 of the cover body 10.
The hook-and-loop fastener for a seat cushion according to claim 1, wherein a hook-and-loop fastener piece 13 having a member is attached. 3. Fixed leg parts 4, 8, 17, 1 having a resistance part which cannot be removed from the foam material on the back surface of the substrates 1, 6, 16.
The hook-and-loop fastener for a seat cushion according to claim 1, wherein 8 and 19 are provided upright. 4. The hook-and-loop fastener for a seat cushion according to claim 1, 2 or 3, wherein magnetic metal powder is mixed into a synthetic resin to form a stopper to provide magnetism.