JPS5842412Y2 - Snap button attachment device - Google Patents

Description

[Detailed description of the invention] This invention allows the snap button to be attached to the fabric by penetrating the claw provided on the parts that make up the snap button and caulking the tip of the claw to another part. This invention relates to an improvement of a snap button attachment device for attaching a snap button, and prevents the occurrence of wrinkles 12 in the fabric 10 around the snap button 11 as shown in FIG. 15 when the snap button is attached to the fabric. It is an object of the present invention to provide a snap button attachment device that can always perform beautiful attachment.

As shown in FIG. 10, the conventional snap button mounting device has anti-slip seats 4, 5 on the lower surface of a metal presser 2 provided on the upper mold piece 1 for button mounting, and/or on the upper surface of the lower mold piece 3. The snap part 6 of the snap button is attached to the tip of the upper mold piece 1 by a spring provided in the above part, and the cap fitting groove 9 of the lower mold piece 3 is formed into a shallow dish shape. Then, fit the cap 8 into this slot 9, place the fabric 10 on the non-slip seat 5 of the lower mold piece 3, then move the upper mold piece 1 and the lower mold piece 3 closer together, and then remove the non-slip seats 4, 5. In between, dough 1
0 is clamped, and then the fabric 10 is clamped and supported in a substantially horizontal direction, the claw 8' of the cap 8 penetrates the fabric and is caulked to the snap part 6, and the snap button 1 is attached to the fabric 10.
1 is installed.

Fabric 1 with snap button 11 attached in this state
No. 0, as shown in FIG. 15, wrinkles 12 occur around the snap button on the fabric, resulting in an unsightly appearance and poor finish when attached.

The applicant conducted three types of experiments shown in FIGS. 11, 12, and 13.

That is, in FIG. 11, the fabric 10 is pressed around the fabric 10 with the fabric presser metal fitting 13 to make the fabric 10 tensioned in the horizontal direction, and in this state, the claw 8' of the cap 8 forming the snap button 11 penetrates the fabric 10. , the case is shown in which the snap portion 6 is caulked and attached, and FIG. 12 shows a case in which the upper surface of the hollow cylindrical metal fitting 14 with the collar 15 provided on the upper edge is covered with the fabric 10, so that the upper surface of the fabric is in tension in the horizontal direction. To hold the fabric 10, firmly tie it to the metal fitting 14 with a string 16 to prevent it from slipping, and while holding the fabric 10 in the tensioned state horizontally, tighten the claw 8' of the cap 8 that constitutes the snap button 11. The case is shown in which the fabric 10 is penetrated and attached by caulking to the snap portion 6, and FIG. 13 shows the case where the upper surface of the fabric 10, which is stretched horizontally in the state shown in FIG. 12, is pressed downward and the fabric 10. Leave only the area of the upper surface φ stretched, and in this state, attach the claw 8' of the cap 8 that constitutes the snap button 11 to the fabric 10.
This figure shows the case where it is attached by penetrating through it and caulking it to the snap part 6.

In the case of the experiments shown in FIGS. 11 and 12, wrinkles 12 as shown in FIG. 15 occurred around the snap button 11 of the fabric 10 to which the snap button 11 was attached, and wrinkles 12 as shown in FIG. In the case of the experiment shown in FIG.
There was no occurrence of

The experiments shown in FIGS. 11 and 12 show the case where the known snap button attachment device shown in FIG. This invention focuses on the fact that by attaching a snap button, it is possible to prevent the occurrence of attachment wrinkles that occur in the fabric near the attachment of the snap button.

This invention will be explained as follows with regard to the embodiment shown in the drawings.

The embodiment shown in FIGS. 1 to 5 shows the first embodiment, in which the lower part of the upper die piece 21 for attaching the button is stepped off.
and attach a snap button 1 to the tip of the upper piece 21 for attaching the button.
protrusion 23 for attaching the snap part 6 constituting part 1;
form.

The presser 24 attached to the upper mold piece 21 for attaching the button is the third
As shown in the figure, it is formed into a hollow cylindrical shape made of rubber, urethane, or other soft synthetic resin, and its upper opening 2
5 forms a fitting hole 25 by forming an inner flange 26 that engages with the step 22 of the upper mold piece 21 for button mounting, and the inner diameter of the fitting hole 25 is the same as that of the lower part of the upper mold piece 21 for button mounting. 21
It is formed to have a diameter P that fits into '.

The fitting hole 25 of the presser 24 having the above structure made of a flexible elastic material is fitted into the lower part 21' of the upper die piece 21 for button mounting in the state shown in FIG. Fix it at.

In addition, the bottom part 2 of the cap receiving slot 28 provided in the lower die piece 27
8' is formed below the bottom position of the conventionally known cap fitting slot 9 shown in FIG. 10, that is, the cap receiving slot 28 is formed deeper.

The depth should be such that, for example, when the cap 8 is fitted into the slot 28, the claw 8' of the cap 8 is completely hidden, as shown in FIG. 2, or the tip of the claw 8' is The depth should be such that it slightly protrudes from the hole 28.

Furthermore, as shown in FIGS. 6 and 7, the outer peripheral surface of the cap receiving slot 28 on the upper surface of the lower die piece 27 may be coated with a non-slip material 29 made of rubber or the like.

In the snap button attaching device in the above embodiment, as shown in FIG.
and attach the snap part 6.

Further, the cap 8 is placed on the bottom 28' of the cap receiving groove hole 28 of the lower die piece 27 with its claw 8' facing upward.

The slot 28 is formed deep enough to completely hide the claw 8' of the cap 8, or to such a depth that the tip of the claw slightly protrudes from the hole 28. It is located approximately inside the hole 28.

Next, the dough 10 is placed on the upper surface 27' of the lower mold piece 27.

The upper mold piece 21 is lowered or the lower mold piece 27 is raised.

The fabric 10 is sandwiched between the upper surface 27' of the lower mold piece 27 and the lower surface 24' of the presser 24, and is supported in the horizontal direction.

Furthermore, as the upper die piece 21 continues to descend or the lower die piece 27 continues to rise, the fabric 10 is held in the horizontal direction and the presser 24 bends outward in the state shown in FIG. Therefore, the tip of the upper mold piece 21 extends and pushes only the portion of the fabric 10 held in the horizontal direction near the upper part of the cap receiving groove hole 8 into the cap receiving groove hole 28 of the lower mold piece 27. The area of that part is expanded, and in a state where a part of the fabric 10 is stretched and the area is expanded, the claw 8' of the cap 8 penetrates the expanded and expanded part, and the tip of the claw 8' is attached to the cap. It enters into the winding edge 6' of the snap part 6 attached to the protrusion 23 of the upper die piece 21 which enters into the receiving groove hole 28, and is tightened in the cap receiving groove hole 28, and the snap button 11 is attached to the fabric 10. is installed.

In this way, as shown in FIG. 14, the snap button is beautifully attached without wrinkles 12 on the fabric 10 around the snap button 11.

FIG. 8 shows a hollow cylindrical press made of a flexible elastic material, which has a projecting edge 30 formed on the outer peripheral edge of the upper piece 21 for attaching the button, and is fitted externally to the lower part of the piece 21. FIG. 9 shows an embodiment in which the upper edge of the pusher 24 is locked and fixed to the protruding edge, and FIG. 9 shows an embodiment in which a coiled spring is used in the hollow cylindrical pusher 24 made of a flexible and elastic material. It shows.

As described above, this invention involves sandwiching the fabric between the lower surface of the hollow cylinder-shaped presser attached to the upper die piece for button attachment of the snap button attaching device and the upper surface of the lower die piece, and then Only the part of the fabric located near the upper part of the cap receiving groove of the piece is stretched and pushed into the cap receiving groove by the tip of the upper mold piece, and the area of only that part is expanded and the cap is received in the stretched and expanded state. In the groove, the claw of the cap penetrates the fabric, and the tip of the claw is caulked to the snap part in the cap receiving groove hole to attach the snap button to the fabric, so when the snap button is attached to the fabric,
It is possible to obtain a snap button attaching device which prevents the occurrence of wrinkles in the fabric portion around the edge of the snap button and can always attach beautiful snap buttons.

[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a front view of the upper mold piece for attaching a button according to the first embodiment of this invention, and Fig. 2 is a vertical cross-section of the first embodiment of the snap button attaching device of this invention. Fig. 3 is a longitudinal sectional view of the presser of the first embodiment, Fig. 4 is a longitudinal sectional view showing the snap button attached to the fabric by the snap button attaching device of the first embodiment, and Fig. 5 is a longitudinal sectional view of the presser of the first embodiment. Figure 4 is an enlarged vertical cross-sectional view of a part of the figure, Figure 6 is a front view of the lower mold piece with the anti-slip attached, and Figure 7 is the 6th
8 is a longitudinal sectional view of the upper die piece of the second embodiment, FIG. 9 is a longitudinal sectional view of the upper die piece of the third embodiment, and FIG. 10 is a longitudinal sectional view of the upper die piece of the third embodiment.
The figure is a longitudinal sectional view of a known snap button attachment device, FIGS. 11 to 13 are longitudinal sectional views showing experimental conditions, and FIG. 14 is a longitudinal sectional view of a known snap button attachment device, and FIG. Top view of the fabric with attached snap buttons, No. 15
The figure is a plan view of a cloth to which a known snap button attaching device and a snap button obtained by the experiment shown in FIGS. 11 and 12 are attached. 8... Cap, 8'... Cap claw, 21... Upper piece for attaching button, 21'...
... Lower part of the upper mold piece, 24 ... Presser, 27
...Lower die piece, 28...Cap receiving groove hole, 28'...Bottom of cap receiving groove hole.

Claims (1)

[Scope of utility model registration request] A hollow straight cylindrical presser 24 made of a flexible elastic material is fitted into the upper piece 21 for attaching a button of the snap button attaching device, and the upper part is inserted into the upper piece 21 for attaching the button.
The cap receiving slot 28 of the lower mold piece 27 is formed to have a diameter that allows the lower part 21' of the upper mold piece 21 to fit therein, and when the cap 8 is placed on the bottom part 28', This snap button attachment device is formed to a depth that allows the tip of the upper claw 8' to be almost hidden.