JPH0612428U - Double bead pocket sewing cloth - Google Patents

Abstract

(57) [Summary] [Construction] The base cloth 2 is folded back and two overlapped portions are sewn to form a tubular shape. [Effect] The beads can be easily sewn in a state where the sizes thereof are aligned over the entire length of the pocket mouth, and the two beads can be arranged at a predetermined butting interval.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a double-sided pocket sewn cloth used for sewing a bead on both edges of a pocket opening formed by cutting a predetermined length into a cloth.

[0002]

[Prior art]

 As shown in FIG. 6 (a), the conventional double bead pockets have two mouth cloths 01 lined up on the surface of the cloth 5 stacked on the bag cloth 4 and sew each cloth 01 on the cloth 5 side. After that, the cloth 5 and the bag cloth 4 are cut together to form the pocket mouth C, and the front and back are turned upside down. As shown in FIG. Divide it left and right along the sewing position, and then fold the mouth cloth 01 over the seam allowance 8 on the cloth 5 side and sew it on the bag cloth 4 as shown in FIG. I am sewing.

[0003]

[Problems to be solved by the device]

 According to the above-mentioned conventional technique, as shown in FIG. 6C, since the mouth cloth 01 is folded back and sewn to the bag cloth 4 so that the sewing position on the cloth 5 side is hidden, Folding between the sewn position on the fabric 5 side and the folding position of the mouth cloth 01 It requires a considerable skill to sew the mouth cloth 01 to the bag material 4 while keeping the width F at a predetermined interval. There is a problem that it is difficult to make the sizes of the edges 9 uniform over the entire length of the pocket mouth C. In order to solve this problem, for example, as shown in FIG. 5 (a), a base cloth 02 is folded back, and a tubular folding portion 03 in which overlapping portions of the base cloth 02 are sewn together is provided in advance. After laying two sheets of No. 04 on the surface of the cloth 5 side, sew each mouth cloth 04 to the cloth 5 side along the sewn position of the folded portion 03, and then form the cloth mouth 5 to form the pocket mouth C. Cut the bag material 4 together, turn the front and back upside down, and fold the seam allowance 8 back to the bag material 4 side along the sewing position as shown in Fig. 5 (b). It is possible to divide 03 and left and right and sew the seam allowance 8 to the bag material 4, and use this folded portion 03 as the bead 9. In this case, the size of the bead 9 is the total length of the pocket mouth C. Although it has the advantage that it is easy to align it over the entire width 03 How to only a kept sewn fabric 5 side in a predetermined relative orientation lever, there is a drawback that can not be placed by what two beaded 9 at a predetermined butt intervals. The present invention has been made in view of the above circumstances, and by devising a sewing method for a bead, the bead can be easily sewn in a state in which the sizes are aligned over the entire length of the pocket mouth, and An object of the present invention is to provide a cloth for pocket sewing for both bead pockets, in which two bead ribs can be arranged at a predetermined butting interval.

[0004]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the characteristic construction of the mouth cloth for sewing both bead pockets according to the present invention is that the two base portions of the tubular folded portion in which the base cloth is folded back and the overlapping margin portions are connected to each other are Is provided at a predetermined interval, and the following operational effects are obtained from this configuration.

[0005]

[Action]

 Since the two folded portions are provided at a predetermined interval on one piece of base cloth, the two folded portions can be sewn to the cloth in a predetermined relative posture, as shown in Fig. 2 (a). As shown in FIG. 2B, after the sewn cloth A is sewn on the cloth 5 side along the respective folded-back portions 1 at a position between the folded-back portions 1, the pocket mouth C is formed as illustrated in FIG. 2B. In order to do so, the base cloth 2 of the mouth cloth A is cut together with the cloth 5 and the bag cloth 4, and the front and back are turned upside down, and the seam allowance 8 is sewn along the sewing position as illustrated in FIG. 2C. While folding back to the 4 side, the fabric 5 side and the folded back portion 1 are split left and right, and the seam allowance 8 is sewn to the bag material 4, and this folded back portion 1 can be used as the bead 9; It is easy to arrange the sizes over the entire length of the pocket mouth C.

[0006]

[Effect of device]

 Therefore, the bead can be easily sewn in a state in which the sizes thereof are aligned over the entire length of the pocket mouth, and the two bead can be arranged at a predetermined butting interval. Since the core material is wrapped around the folded-back portion in the double bead pocket sewing cloth according to the second aspect of the invention, the bead can have a bulge.

[0007]

【Example】

 FIG. 1 shows an embodiment of a double-sided pocket sewn cloth A according to the present invention, in which two sections of a tubular folded portion 1 having a predetermined length have an interval B approximately twice the width H of the folded portion 1. It is provided separately. Each of the folded portions 1 is formed by folding back the base cloth 2 in a direction opposite to each other, wrapping the woolen yarn 3 as a core material at the folded back position, and stitching the overlapping margin portions together to form a tubular connection. A method for sewing both bead pockets on the cloth 5 using the above-mentioned both-bead pocket sewing fabric A will be described with reference to FIG. As shown in FIG. 2 (a), the top cloth A is placed on the surface of the cloth 5 laid on the bag cloth 4 with the overlap margin side up, and the overlap margin portion is sewn in a tubular shape. 6, the mouth cloth A, the cloth 5 and the bag cloth 4 are sewn over a predetermined length. Next, as shown in FIG. 2B, a notch 7 for forming a pocket mouth C is formed across the mouth cloth A, the cloth 5, and the bag cloth 4, and the front and back sides are reversed to form the shape shown in FIG. As shown in (c), the seam allowance 8 is folded back from the notch 7 to the bag material 4 side, and this is sewn to the bag material 4, and two beaded edges 9 having the same size over the entire length of the pocket mouth C are formed. Are attached at a predetermined butting interval.

FIG. 3 shows a guide metal fitting 10 for efficiently feeding backing cloth 2 for double-edged pocket pocket sewing by sending it to the sewing portion D of the sewing machine while folding backing the base cloth 2 and folding the base cloth 2. A guide passage 11 having a U-shaped cross section to be returned, a guide pipe 12 for feeding the yarn 3 as a core material to the folding position of the base fabric 2 folded back in the guide passage 11, and a base fabric 2 fed into the guide passage 11. An auxiliary guide 13 which is folded back in advance and a fixing metal fitting 14 for fixing the sewing machine to the bed E of the sewing machine on the upper side in the base cloth feeding direction than the sewing portion D are provided, and the folded back cloth 2 is sewn. A groove 18 through which the folded-back portion 1 enclosing the woolen yarn 3 passes is formed in the holding metal fitting 17 that holds the bed E side at the portion D. The auxiliary guide 13 includes a hemispherical pressing member 15 against which the base cloth 2 is pressed, and a spring 16 that biases the pressing member 15 toward the base cloth side. Then, the base cloth 2 is fed into the guide passage 11, and the one folded portion 1 in which the woolen yarn 3 is wrapped is sewn over a predetermined length, and then the sewn folded portion 1 is inserted into the guide passage 11. Inserting it into the tubular passage portion 19 which is inflated into a tubular shape, feeding the base cloth 2 into the guide passage 12 again, and controlling the lateral displacement of the already sewn folded-back portion 1 with respect to the guide passage 12, and further The fold-back portion 1 is sewn over a predetermined length to sew the cloth A.

FIG. 4 shows another embodiment of the guide fitting 10, in which the bending guide plate 20 forming the guide passage 11 is extended to the upper side in the base cloth feeding direction, and is folded into the tubular passage portion 19. A positional deviation restricting tool 21 is provided so that the lateral positional deviation of the first guide passage 11 can be reliably controlled. The position shift restricting tool 21 is configured by providing a pressing member 22 that is applied to a sewn portion of the folded-back portion 1 and a spring 23 that biases the pressing member 22 to press the folded-back portion 1 side. There is.

[Other Examples] The folding direction of the base fabric for forming the folding portion is not particularly limited. It is also possible to fold back the base fabrics and stack them in a cylindrical shape, and connect the overlapping margin portions to each other to form a tubular folded portion. The base cloth may be folded back and the overlapping portions may be glued to each other to form a tubular folded portion. The two folded portions are not limited to being provided in parallel with each other, and may be provided in a state having a predetermined relative angle depending on the shape of the pocket.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the configuration of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a perspective view of a double-sided pocket sewing cloth according to the present invention.

[FIG. 2] (a), (b), and (c) are cross-sectional views showing the sewing procedure.

FIG. 3 is a perspective view showing a guide fitting.

FIG. 4 is a perspective view showing another embodiment of the guide fitting.

5A and 5B are cross-sectional views showing a sewing procedure of a comparative example.

6 (a), (b) and (c) are sectional views showing a conventional sewing procedure.

[Explanation of symbols]

 1 Folded back part 2 Base cloth 3 Core material

Claims (2)

[Scope of utility model registration request] 1. Two folds of a tubular folded portion (1) in which the base cloth (2) is folded back and the overlapping portions thereof are connected to each other are provided at predetermined intervals in the base cloth (2). A double-sided cloth for sewing pockets. 2. The cloth for sewing both bead pockets according to claim 1, wherein a core material (3) is wrapped in the folded-back portion (1).