JPH0435193B2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to seat skins constituting furniture or seats of aircraft, ships, automobiles, etc., and particularly for seats of motorcycles, boats, etc. that are likely to be exposed to water. The present invention relates to a method for manufacturing a suitable seat skin.

Conventional technology In general, the seat skin is sewn to create a luxurious look and to prevent slippage, and sewing is applied when the skin material, wading material, and backing material are integrally joined. It is common practice to integrally attach a hanging bag that is used to cover the body.

Conventionally, with this type of sewing, rain or spilled water could enter the interior through the seams and moisten the cushion body such as polyurethane foam, deteriorating the cushioning properties or reducing the quality. The seat skin is attached by applying a sealant such as adhesive along the seams or by laying a waterproof film such as PVC to cover the cushion body.

Problems to be Solved by the Invention However, if the sealant is not applied along the seams, the sealant may solidify into a lump, and the area where the hanging bag is attached may become thicker, giving the seater a feeling of a foreign body. In addition, when a waterproof film is used, the film is slippery and difficult to position, making it time-consuming to cover the seat skin.Furthermore, it makes the seat skin slippery and makes the seating surface unstable. There is.
In addition, the waterproof film may slide up to the side surface of the seat and curl up, causing unevenness on the outer surface of the seat cover, making it unsightly in appearance.

Means for Solving the Problems In the method for manufacturing a seat skin according to the present invention, after the backing material is hung down and the skin material and wading material are sewn together, this sewing part is located on the inside. Fold the hanging part of the lining material to the back side of the lining material, weld the base of the folded material to the lining material, seal the sewn part on the inside, and form a hanging bag with the remaining folded material. It is like that.

Function: In the seat skin manufactured in this way, the seam area created by sewing the skin material, wadding material, and lining material together is watertightly sealed by the folding margin in which the lining material hangs down and the base is welded. Since a hanging bag is formed from a continuous folding margin from the lining material, a seat can be constructed that prevents water from entering, does not give a feeling of discomfort to the seater, and has a stable seat surface.

Embodiments The following description will be made with reference to the accompanying drawings.

This seat skin is formed as a trim cover by sewing together a skin material 1, a wading material 2, and a backing material 3 with threads 4. The skin material 1 includes woven fabrics, non-woven fabrics made of natural or synthetic fibers,
A knitted cloth or a synthetic resin film can be used, a urethane slab or the like can be used as the wadding material 2, and a synthetic resin film of waterproof and weldable material can be used as the backing material 3.

These three constituent materials are first co-stitched together. At the time of sewing, the backing material 3 is sewn with a relatively large droop within each sewing interval. R
It is sufficient to form hanging portions 3a, 3a, etc. on the backing material 3 with..., and then sew the three parts together with sewing machine needles P, P... (see Fig. 2). After sewing it, cut it to an appropriate size, insert each arm of the rake-shaped jig H (see Figure 3) into each hanging part 3a, 3a... and slide it. 3
Pull a... in a certain direction. This tensioning is performed in such a direction that the thread sewing parts 4a, 4a... are located on the inside of the folded parts 3a, 3a..., and the folding allowances 3a',
3a'... is made flat on the back side of the backing material 3 (see Figure 4). After that, this turning distance 3a′,
3a'... joins base sides located near the sewing points 4a, 4a... to the lining material 3 in a watertight manner. The welding can be done by heating with a high-frequency welder or a heater bar. In the case of welder welding, the lower mold W ₁ is inserted between the wadding material 2 and the backing material 3 to form the folding margin 3a'. , 3a'... can be press-welded with upper mold W ₂ (5th
(see figure). Further, the remaining folding margins 3a', 3a', . . . after welding the base sides have a bag shape along the width direction, and can be used as a hanging bag by hanging downward.

In the seat skin manufactured in this manner, the retaining wire 5 is inserted into the suspension bag 3a', and the tension spring 6 is attached to the retaining wire 5.
Or, by hooking the C-shaped clip and connecting it to the S-shaped spring and frame 7, the cushion pad 8 can be attached.
can be adhered to. In the attached state, the seam holes can be sealed by positioning each sewing point 4a inside the folding margin 3a' and joining the base of each folding margin 3a' in a watertight manner, so this sheet skin can seal the seam hole. Water is prevented from entering the covering cushion body 8. In addition, by joining the base of the folding margin 3a' to the lining material 3, a concavo-convex pattern that can be formed by thread stitching can be held in tension, and a suspension formed continuously from the point with the remaining folding margin 3a' Since the seat skin is stretched by the bag, the seat skin is not only waterproof, but also has a large uneven pattern formed by the wading material 2 and can be installed with good shape retention.

Effects of the Invention As described above, according to the method for manufacturing a seat skin according to the present invention, a seat skin with good waterproofness can be easily manufactured by integrating a seat hanging bag without using a separate material. The seat cover has good decorative properties, and the seat surface does not feel uncomfortable, making it possible to construct a stable seat.

[Brief explanation of drawings]

Fig. 1 is a partially enlarged cross-sectional view of the surface of a seat produced by the method according to the present invention, Figs. 2 to 5 are explanatory diagrams showing the manufacturing process of the seat skin according to the present invention, and Fig. 6 is a partially enlarged sectional view of the seat surface produced by the method according to the present invention. FIG. 3 is an explanatory diagram showing a state in which the skin is attached. 1: Outer skin material, 2: Wading material, 3: Lining material, 3a, 3a...: Hanging part, 3a'3a'...: Folding allowance, 4a, 4a...: Sewing area.

Claims (1)

[Claims] 1. After letting the lining material hang down and sewing the skin material and wading material together, fold the hanging part of the lining material to the back side of the lining material so that this sewn part is located on the inside, and then remove the folding allowance. A method for manufacturing a seat skin, characterized in that the base side of the sheet is welded to a backing material, the sewn part is sealed inside, and a hanging bag is formed with the remaining folding allowance.