JPS5948088B2 - Case manufacturing method - Google Patents

Description

[Detailed Description of the Invention] The present invention mainly relates to a method of manufacturing a case used for writing pens, etc., and an embodiment thereof will be explained with reference to the drawings. Synthetic resin leather to be coated with cloth is cut into a rectangular shape to form the ground fabric 1, and the central part of both edges of the ground fabric 1 is cut out in a shallow U-shape, and hemming tape is sewn around the entire periphery. After sewing slide fasteners 2 and 2' that engage with each other on both side edges of the ground fabric 1, both end edges of the ground fabric 1 are folded back in parallel to the same edges and overlapped with the inner surface of the ground fabric 1, The portions of the folded portions 3, 3' near the proximal ends are sewn to the base fabric 1 with a thread.

Next, the above-mentioned folded parts 3, 3' are folded back outward and stretched, and in this stretched state, the ground fabric 1 is folded around its inner surface and folded part 3.
, 3′ are folded in half so that their inner surfaces are joined to each other,
The outer edges of the folded parts 3 and 3' are sewn together to form a case main body A consisting of the body part 4 and the gore parts 5 and 5'. into the folded parts 3, 3.
' is folded back again, and the upper side of the folded part 3 of the gusset part 5, which is close to the opening end of the slide fasteners 2, 2', is fixed to the base fabric 1 with rivets 6°6' to obtain a finished product. .

For example, Japanese Patent Application Laid-open No. 50-6
According to Publication No. 5371, the front, rear and bottom plates are integrally constructed by attaching slide fasteners that can engage with each other to both sides of a flexible substrate and bending the same substrate into a U-shaped cross section. At the same time, both ends of the substrate are folded inward, the inside of the folded line is sewn along the same folded line, the whole is turned inside out, and the folded part is folded back in the opposite direction to the above and polymerized. A method for producing a case has been developed in which the outer edges of the folded portions are sewn together and then the whole is turned inside out. When using this method, both ends of the board are folded inward and the The problem was that it required a similar process of sewing the inside of the folded line along the diffraction curve and then turning the whole thing inside out.

The present invention aims to eliminate such defects by cutting synthetic resin leather into rectangular shapes, coated with decorative fabric on the front side and with reinforcing fabric on the back side, and using this fabric as a base fabric. Cut out the central part of both ends of the fabric into a shallow U-shape, sew hemming tape around the entire periphery, and sew slide fasteners that engage with each other on both sides of the fabric. Fold it back parallel to the same edge and overlap it with the inner surface of the base fabric, sew the part near the base end of this folded part to the base fabric with a thread, and then fold the above folded part outward. The fabric is returned and stretched, and in this stretched state, the fabric is folded in half so that its inner surface and the inner surface of the folded part are joined to each other, and the outer edges of the folded part are sewn together to form the body and the gossamer. After pushing this gore part into the body and folding back the folded part again, attach a rivet to the fabric on the upper side of the folded part of the gore part near the side that opens at the tip of the slide fastener. Since it is characterized by fastening to obtain a finished product, it has a slide fastener at the opening, a gore part that is folded inwardly in half at both ends, and a bead at the outer end of the gore part. There is an effect that a case having a reinforced edge of a shape can be easily manufactured without requiring the work of reversing the base cloth as in the known method.

[Brief explanation of drawings]

The figures show an embodiment of the method for manufacturing a case of the present invention, in which Figures 1 to 4 are perspective views showing the manufacturing process in order, Figure 5 is a perspective view of the finished product, and Figure 6 is a perspective view of the finished product. FIG. 7 is a cross-sectional view taken along line A-A in FIG. 5, and FIG. 7 is a cross-sectional view taken along line A'A/ in FIG. 1... Ground fabric, 2, 2'... Slide fastener, 3.3'... Folded part, 4...
・Body part, 5, 51... Gore part, 6.6'...
・・・Rivet, 7・・・Edging tape, I...
・Brush case body.

Claims (1)

[Claims] 1 Synthetic resin leather coated with decorative cloth on the front side and reinforcing cloth on the back side is cut into a rectangular shape to serve as the base cloth, and the central part of both edges of this base cloth is cut into a shallow U-shape, and a hem is attached to the entire periphery. At the same time as the tape is sewn, slide fasteners that engage with each other are sewn on both sides of the base fabric, and then both end edges of the base fabric are folded back parallel to the same edges and overlapped with the inner surface of the base fabric, The part near the base end of this folded part is sewn to the same ground fabric with a thread, and then the folded part is folded back outward and stretched, and in this stretched state, the ground fabric is sewn into its inner surface and folded part. is folded in half so that the inner surfaces of the folded parts are joined to each other, and the outer edges of the folded parts are sewn together to form a case body consisting of a body part and a gossamer part, and this gore part is pushed into the body part. The method for producing a case is characterized in that the above-mentioned folded part is folded back again, and then the upper side of the folded part of the gusset part near the opening end of the slide fastener is fixed to the ground fabric with rivets to obtain a finished product.