JPH071107Y2 - Sewing tool for inserting linear body of sewing machine - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention is, for example, a brassiere,
Wires made of metal, synthetic resin, fiber reinforced synthetic resin, etc. for the purpose of enhancing shape retention and protecting the waist of the human body, such as foundations such as body suits, corsets, girdles, etc. Used to sew a garment in which a linear body such as a bone is inserted in a required portion while inserting the linear body between both butting edges of the two sewn fabrics to be joined. The present invention relates to a sewing machine for inserting a linear body of a sewing machine.

[0002]

2. Description of the Related Art For example, a brassiere is sewn with a wire having an appropriate elasticity at a required portion of a cup for the purpose of adjusting the shape of the breast and enhancing the shape retention of the cup. There is. In this case, with conventional bras,
The wire was attached to the cloth on one side (the side in contact with the skin) of the backing cup cloth formed of a material such as a non-woven fabric having cushioning properties or a plastic foam such as urethane foam. More specifically, in the case of sewing a cup portion composed of a front cup cloth and a backing cup cloth, two or more material fabrics, for example, two material cloths are sewn together to sew a backing cup cloth. While arranging the wire along the seam on one side of the joint part of the material fabric, while applying the bias cloth (bias tape) to the joint part of the material fabric so as to cover the wire , Both sides of the wire are sewn along the wire, and the two material materials are joined to each other, and the bias cloth is sewn to the joint portion of the material material. By such a sewing operation, a wire is inserted between the lining cup cloth and the bias cloth, or the wire is wrapped with the bias cloth to attach the wire to the cup portion.

In a conventional garment in which a linear body such as a wire or a bone is inserted like the brassiere, the wire or the bone is attached on the surface of the material cloth. For this reason, the insertion site of the wire or the like becomes uneven, and particularly in clothing such as a brassiere to which the wire is attached to the surface contacting the skin, a feeling of partial pressure on the body or a feeling of wearing is caused. By making it worse
There was a problem that the product value was significantly reduced.

Therefore, the present applicant has filed Japanese Utility Model Application No. 4-6927.
In the No. 3 specification, insert a wire or a bone between the two butting edges of the two material materials, and apply a bias cloth along the seams on both sides of the joints of the two material materials. By sewn the material fabrics of each other and sewn the bias fabrics on both sides of the sewn portions of the material fabrics respectively, the unevenness at the insertion site of the wire or bone is eliminated or reduced, and the wearing feeling is improved. Suggested clothing.

[0005]

[Problems to be Solved by the Invention] In the above-mentioned garment proposed by the present applicant, two biases sewn on both sides of both butting edges of two material cloths and a joint portion of both material cloths, respectively. Wires, bones, and other linear objects are inserted into the area surrounded by the cloth. In the case of manufacturing such a garment, if two material materials are joined to each other and the bias cloth is sewn on both sides of the joined portion, the linear body is inserted. This results in two steps, which reduces work efficiency and increases the burden on the sewing manufacturer.

According to this invention, a linear body is inserted between both butting edges of two cloths to be sewn, and bias cloths are sewn along the seams on both sides of the abutting portion of the cloths. An object of the present invention is to provide a linear body inserting sewing tool for a sewing machine that enables a sewn product to be obtained in a single sewing step.

[0007]

In the present invention, the needle plate and the presser foot are improved, and a lower bias cloth guide member is provided on the front side of the needle hole of the needle plate in the cloth feed direction along the cloth feed direction. The lower bias cloth is formed so as to guide it along the cloth feeding direction and feed it into the needle hole, and at the same time, the cloth is provided on the upper side of the lower bias cloth guide member at the center portion in the width direction. A linear member guide member is formed along the feeding direction to guide the linear member to the front side along the cloth feeding direction, while the presser foot has a needle hole formed in the cloth pressing portion. The upper bias cloth guide member is fixed so that the lower end faces the upper bias cloth, and the narrow band-shaped upper bias cloth is guided along the cloth feeding direction so as to be guided from the upper position to the lower surface side of the cloth pressing portion through the needle hole. Place the gold on the needle plate so that the needle holes overlap. Was Unishi.

[0008]

In the case of sewing using the sewing machine linear body insertion sewing tool constructed as described above, the two sewn fabrics to be joined are abutted against each other at their edges to form a presser foot. When it is fed to the sewing position between the needle plate and the vertical position of the sewing machine needle, at the same time, the linear body is guided by the linear body guide member of the needle plate and is sent to the front side in the cloth feed direction, The upper bias cloth is inserted between both butting edges of the two sewn fabrics, and the upper bias cloth is guided by the upper bias cloth guide member of the presser foot and guided to the lower surface side of the cloth presser through the needle hole of the cloth presser. The lower bias cloth is guided by the lower bias cloth guide member of the needle plate and is directed forward in the cloth feed direction, while the upper surfaces of the abutting portions of the sewn materials are covered along the seam. Sent to
The lower surface sides of the abutted portions of the sewn fabrics are covered so as to be covered along the seams. Then, at the sewing position, the abutting portions of both cloths to be sewn and the two bias cloths that respectively cover both surfaces thereof are sewn to each other by the sewing machine needles, and the cloths to be sewn to each other through the two bias cloths. While being joined together, the linear body is inserted into a portion surrounded by both butting edges of the two sewn fabrics and the two bias cloths.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 to 3 show an embodiment of the present invention, FIG. 1 is a perspective view showing a sewing machine for inserting a linear body of a sewing machine in a separated manner, and FIG. FIG. 3 is a perspective view showing a state where sewing is performed using a tool,
It is a longitudinal cross-sectional view cut along the cloth feed direction at that time.

This tool includes a presser foot 10, a needle plate 12 and a feed tooth plate.
It is composed of 14 and. In the presser foot 10, the front side curved portion of the cloth pressing portion 16 is divided into two, and a gap 20 is formed between the base portions of the left and right divided curved portions 18, 18. Also,
The presser foot 16 has a needle hole so that it is orthogonal to the cloth feed direction.
22 is bored, and the needle hole 22 and the left and right split curved portions 18, 18 are provided.
The space 20 between them communicates. Then, along the cloth feed direction, a flat tubular upper bias cloth guide tube 24 is disposed obliquely downward from the front side in the cloth feed direction, and the upper end of the cloth pressing portion 16 is arranged so that the lower end opening thereof faces the needle hole 22. The bias cloth guide tube 24 is fixed.

A needle hole 26 is formed in the needle plate 12 so as to be orthogonal to the cloth feeding direction, and a through hole 28 is formed in which the feed dog 34 of the feed tooth plate 14 is loosely fitted. The needle plate 12 is further provided with a flat tubular lower bias cloth guide tube 30 along the cloth feeding direction on the front side of the needle hole 26 in the cloth feeding direction, and its end opening is in the vicinity of the needle hole 26. To be located on the needle plate
A lower bias cloth guide tube 30 is fixed to the upper surface side of 12.
Further, on the upper surface side of the lower bias cloth guide tube 30, a linear body guide tube 32 having a shape obtained by dividing the tube in half along the cloth feeding direction is fixedly provided at the center portion in the width direction thereof. The end of the linear body guide tube 32 opens at a position near the needle hole 26.

The needle plate 12 is attached and fixed to the sewing machine bed, and the feed dog plate 14 is provided below the needle plate 12 and the feed dog
34 is loosely fitted in the through hole 28 of the needle plate 12 and is attached so as to be capable of fine movement in the front-rear direction and the vertical direction. On the other hand, the presser foot 10 is positioned and attached to the sewing machine arm so that the needle hole 22 and the needle hole 26 of the needle plate 12 overlap each other.

Next, a sewing operation using the above tool to obtain a sewn product into which a linear body such as a wire or a bone is inserted will be described with reference to FIGS. 2 and 3.

As shown in FIG. 2, two sewn fabrics to be joined, for example, two sewn fabrics 1 formed of a material such as a cushioning non-woven fabric or a plastic foam such as urethane foam. 2 (indicated by the chain double-dashed line)
Are fed to the sewing position (the vertical movement position of the sewing machine needle 36) between the presser foot 10 and the needle plate 12 by abutting their both edges. At this time, as shown in FIGS. 2 and 3, at the same time, the wire 3 formed of a linear body, for example, metal, synthetic resin, fiber reinforced synthetic resin or the like, is fed by the linear body guide tube 32 of the needle plate 12 to the cloth. Is guided along the direction and is sent to the front side in the cloth feed direction through the gap 20 between the left and right divided curved portions 18, 18 of the cloth presser portion 16 of the presser foot 10 and is fed to the two cloths 1 and 2 to be sewn. It is inserted and arranged between both butt edges. At the same time, the upper bias cloth 4 in the form of a narrow band is pressed onto the upper bias cloth guide tube 20 of the presser foot 10.
Guided through the needle hole 22 of the cloth pressing portion 16 and the cloth pressing portion 16
It is guided to the lower surface side and directed so as to cover the upper surface side of the abutting portions of both sewn fabrics 1 and 2 along the seam, while the narrow strip-shaped lower bias cloth 5 of the needle plate 12 is provided. It is guided along the cloth feed direction by the lower bias cloth guide tube 30 and is fed to the front side in the cloth feed direction to cover the lower surface side of the abutting portions of the sewn fabrics 1 and 2 along the seam. Will be addressed to. Then, at the sewing position, the sewing machine needle 36
While moving through the needle hole 22 of the presser foot 10 and the needle hole 26 of the needle plate 12 in the vertical and horizontal directions, the feed tooth plate 14 is not shown in FIG. 2 and FIG. By continuously rotating so as to draw a flat elliptical orbit in the through hole 28 of the sewing machine, the cloths 1 and 2 to be sewn are sent to the front side, and the abutting portion of both cloths 1 and 2 to be sewn and the both surfaces thereof. The upper and lower two bias cloths 4 and 5 which are respectively addressed are sewn to each other, and the cloths 1 and 2 to be sewn are joined to each other through the upper and lower bias cloths 4 and 5, and 2 The wire 3 is inserted into a portion surrounded by both butt edges of the sewn fabrics 1 and 2 and the upper and lower bias cloths 4 and 5.

By the above-described sewing operation, as shown in FIG. 4, the wire 3 is inserted between the two butting edges of the two cloths 1, 2 to be sewn together. Bias cloth 4 along the seams on both sides of the part,
A sewn product in which 5 is sewn is obtained. The one shown in FIG. 4 is an example sewn using a three-stitch sewing machine. The sewn product shown in FIG. 4 is further turned inside out,
By sewing using a lockstitch two-needle sewing machine,
As shown in FIG. 3, the bias cloth 6 folded back along the longitudinal direction is sewn on one side, and is finished as, for example, a backing cup cloth for a brassiere.

[0017]

Since the present invention is constructed and operates as described above, using the sewing machine for inserting linear objects of the sewing machine according to the present invention, two sewing materials can be sewn in one sewing process. A linear body is inserted between both butting edges of the both, and a bias cloth is sewn along the seams on both sides of the abutting portion of both the cloths to obtain a sewn product for efficient sewing work. In addition, the burden on the sewing manufacturer is reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention, in which a sewing machine for inserting a linear body of a sewing machine is shown in a separated manner.

FIG. 2 is a perspective view showing a state where sewing is performed using the tool.

FIG. 3 is a vertical cross-sectional view taken along the cloth feed direction, showing a state in which sewing is performed using the above tool.

FIG. 4 is a partial perspective view showing an example of a sewn product obtained by sewing using the above tool.

5 is a partial perspective view showing an example of a finished product obtained by further sewing the sewn product shown in FIG.

[Explanation of symbols]

 10 Presser foot 12 Needle plate 16 Presser foot cloth presser section 22 Presser foot needle hole 24 Upper bias cloth guide tube 26 Needle plate needle hole 30 Lower bias cloth guide tube 32 Linear body guide tube 3 Wire (linear body) 4 Upper bias cloth 5 Lower bias cloth

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location A41C 3/12 C D05B 29/06 7152-3B 73/12 7152-3B

Claims (1)

[Scope of utility model registration request] 1. A needle hole on the front side in the cloth feeding direction,
A lower bias cloth guide member that is formed along the cloth feed direction and guides a narrow strip-shaped lower bias cloth along the cloth feed direction to feed it onto the needle hole, and on the upper surface side of the lower bias cloth guide member. , A needle plate having a linear body guide member that is formed along the cloth feed direction at the center in the width direction and that guides the linear body forward along the cloth feed direction, and formed on the cloth pressing portion. An upper bias cloth guide member that is fixed so that the lower end faces the formed needle hole, guides the narrow band-shaped upper bias cloth along the cloth feeding direction, and guides it from the upper position to the lower surface of the cloth pressing portion through the needle hole. And a presser foot, wherein the presser foot is arranged on the needle plate so that the respective needle holes are overlapped with each other.