JPH05123208A - Slider with cover for slide fastener and method for attaching its cover - Google Patents

Abstract

PURPOSE:To improve the style of an external appearance, and to increase the fitting strength by providing a recessed part on the erect face of a column part, providing a padding part in the part opposed to a recessed part of a cover, allowing its metal to flow into the recessed part by pressing force by forging and attaching its part. CONSTITUTION:A recessed part 16 is provided on a column part 10, and formed as a member for providing a padding part 17 on a cover 5, and when the cover 5 is assembled to a slider drum body 1, a shaft part of a pull tab and a plate spring are placed between both front and rear column parts 10 of the upper blade 6, and thereafter, the cover 5 is placed thereon. Thereafter, by processing the padding part 17 of the cover 5 by pressing force by forging, a metal of the padding part 17 is allowed to flow into the recessed part 16 of the column part, and the part of the projected padding part of the cover 5 is finished to the smooth surface. Also, a part of the metal of the cover 5 is rushed into the recessed part 16 in a close state. In such a way, the cover 5 is fixed to both the front and rear column parts 10, there is no trace for a fitting means on the outside surface of the cover 5, and the cover is attached with an excellent design sense. The cover is formed integrally with the slider drum body, and a strong fitting state is held.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slider for opening and closing a slide fastener, and more particularly to a slider having a cover attached to its pulling surface and a method for attaching the cover.

[0002]

2. Description of the Related Art A cover attached to a slider has a function of supporting a pull tab, a stop claw protruding into the slider and a leaf spring for urging the stop claw, or a leaf spring integrally formed with the stop claw. A member having a covering function, which is conventionally used for attaching a cover, is disclosed in, for example, Japanese Utility Model Publication No. 62-41608 and Japanese Patent Publication No. 53-27.
It is disclosed by Japanese Patent No. 653. In the former publication, recessed portions are provided in front and rear columns provided on the slider body, and a portion of the cover covered with the recessed portions facing the recessed portion is caulked from the outer surface with a punch and attached. In the latter publication, a concave portion is also formed on the column, and a part of the cover put on the pillar is bent by a punch so that a part of the meat of the cover is bent to be fitted into the concave portion and attached.

[0003]

As described above, according to the conventional mounting means, since the punch is machined from the outer surface of the cover, the punch remains on the outer surface of the cover in a dented state. If it is bent, a dent is also formed on the outer surface of the cover, and at the same time, the flesh of the bent part becomes thin, and the dent due to the punch remains like a scratch and damages the appearance, especially a high-grade bag etc. If the slide fastener with this slider is attached to, the product value will be greatly impaired. Further, since a thin portion is generated due to refraction, the attachment strength is unreliable and there is a problem in durability.

The present invention has been made to solve the above problems. The cover can be mounted without leaving a dent or the like on the outer surface of the cover to improve the appearance of the cover. (EN) Provided is a slider with a cover for a slide fastener, which increases the property, and a mounting method thereof.

[0005]

In a slider according to the present invention, a column portion is provided in the front and rear portions within a range where a cover of a slider body is mounted, and a protrusion is formed by forming a concave portion on its standing surface, and a portion facing the concave portion is provided. A cover provided with a built-up portion covers the outer surfaces of the front and rear pillar portions, and the built-up portion is deformed by forging so that the meat flows into the concave portion and is fixed to each pillar portion. Is.

Further, the mounting method is such that at the same time when the slider body is formed, the pillar portion is formed in the front and rear portions within the range where the cover is attached on the puller support surface of the slider body, and the recess portions are formed on both side surfaces thereof. On the outer surface side of the portion of the cover which covers both the pillar portions, the portion facing the concave portion, a build-up portion protruding in a convex shape is formed, and after covering the both pillar portions with the cover, the build-up portion is covered. It is characterized in that it flows into the concave portion of the column portion by the pressing force by the forging process.

Among the above-mentioned methods, the built-up portion of the cover is formed so as to project inward from the inner surface of the cover, and both sides of the cover are curved so as to bulge outward. After covering both the pillars, both sides of the cover are straightened by pressing force by forging, and the build-up portion flows into the recess of the pillar. ..

Further, among the above-mentioned methods, the front pillar portion is formed with concave portions on both sides thereof, but the rear pillar portion is formed with concave portions on the rear surface thereof, and the claw pieces are provided so as to face the rear concave portion of the cover. After molding, engage the claw piece with the rear surface recess of the rear pillar, cover the both pillars with the cover, and then press the built-up portion into the recess of the pillar by pressing force by forging. It is characterized by doing.

[0009]

EXAMPLE A slider according to the present invention will be described in detail. As shown in the exploded view of FIG. 4, the slider body 1, the pull tab 2, the leaf spring 4 with the stop claw 3, and the cover 5 are assembled. It is what constitutes.

In the slider body 1, the upper wing 6 and the lower wing 7 are provided in parallel with each other through a connecting column 8 at the tip end thereof, and a Y-shaped element guide groove 9 is provided between the upper wing 6 and the lower wing 7. Formed on the upper wing 6 and the pillars 10 and 11 on the front and rear portions of the upper wing 6, respectively
And a through hole 12 through which the stop claw 3 projects into the element guide groove 9 is opened. The slider body 1 is press-molded using a modified wire,
It can also be manufactured by die-cast molding.

The pull tab 2 is made of a plate, has a large window hole 13 at its tip, and a shaft portion 14 is formed at the tip thereof. The shaft portion 14 is formed on both front and rear pillars of the slider body 1. It is placed between 10 and 11.

The leaf spring 4 has a U-shaped bent portion at the front end portion, a flat portion at the center portion, and a stop claw 3 protruding downward at the rear portion. The spring 4 is also placed between the front and rear pillar portions 10 and 11 of the slider body 1, but is placed so as to straddle the shaft portion 14 of the pull tab 2, and the stop claw 3 is opened in the slider body 1. 12 is to be inserted.

The cover 5 is shaped to cover both the front and rear pillars 10 and 11 provided on the upper wing 6, that is, has a U-shaped cross section with an open lower surface. The notch 15 is provided to insert the shaft 14 of the pull tab 2.

Of the above-mentioned members, as shown in FIGS. 1 and 4, the front and rear pillar portions 10 provided on the slider body 1,
11 are formed on the upright surfaces, specifically, on both side surfaces, respectively. The concave portion 16 is provided in a V shape as shown in FIG.
As shown in FIG. 2, the V-shaped recess 16 is provided so as to be inclined upward. Further, it is not always necessary to form the tip in a sharp shape like the V shape, and it may be formed in a square shape as shown in FIG.

On the other hand, as shown in FIG. 1 (A) and FIG. 4, the cover 5 has both front and rear pillar portions 10, 1 as described above.
When the cover 5 is put on the cover 1,
6 and the convex build-up portions 17 are respectively formed in the portions facing 6 ...
Are formed so as to project outward from the outer surface of the cover 5.

As described above, the recesses 16 are formed in the pillars 10 and 11.
When the cover 5 is formed as a member for providing the build-up portion 17 and the cover 5 is assembled to the slider body 1, the shaft portion 1 of the pull tab 2 is provided between the front and rear pillar portions 10 and 11 of the upper wing 6.
After placing 4 and the leaf spring 4, the cover 5 is covered as shown in FIG.

After covering the cover 5 in this manner, as shown in FIG. 1 (B), the build-up portion 17 of the cover 5 is pressed by forging (the arrow shown in the figure), and the meat of the build-up portion 17 is pillared. Of the cover 5, the protruding portion of the cover 5 that has protruded is finished into a smooth surface, and a portion of the meat of the cover 5 is inserted into the recess 16 in a state of being in close contact therewith. 5 is fixed to the front and rear pillar portions 10 and 11, and is attached to the outer surface of the cover 5 with no trace of attachment means as shown in FIG. 5 with an excellent design feeling.

Next, a cover 5a shown in FIG. 6 is an example different from the above, and is a view seen from the bottom, and both side walls of the cover 5 are formed by curving outwardly. The built-up portion 17 is opposed to the concave portions 16 of the front and rear pillar portions 10 and 11, respectively.
The convex portion is formed so as to project inward from the inner surface of the cover 5.

When both the front and rear pillars 10 and 11 are covered with the cover 5a, since both side walls of the cover 5 are bent outward, the built-up portion 17 is located outside the recess 16 as shown in FIG. Is set opposite to. Therefore, as in the above, pressing force is applied from both sides by forging, but at the same time pressing force is applied to the bulging portion of the cover 5a at the same time, and as shown in FIG. At the same time, the convex build-up portion 17
Although it rushes into the recess 17, it does not simply engage but deforms and flows in according to the shape of the recess.
Therefore, as shown in FIG. 9, if the concave portion 16 is provided so as to be inclined upward, the concave portion 16 is inserted in a closely contacted state according to its shape.

Further, in the example shown in FIG. 10, the concave portions 16 are provided on both side surfaces of the front pillar portion 10 as in the above-mentioned example, but the concave portion 16 is formed on the rear surface of the rear pillar portion 11. On the other hand, the cover 5b is provided with a claw piece 18 that engages with the rear concave portion 16, and the front concave portion 16 has the same cover 5 as in the example of FIG.
A build-up portion 17 is provided on the outer surface of b.

In the case of this example, as shown by the chain line in FIG. 10, after the rear claw piece 18 of the cover 5b is engaged with the concave portion 16 of the rear column portion, the front portion of the cover 5b is fixed to the front column portion 16. After being covered, the pressing portion 17 is attached to the front built-up portion 17 by applying a pressing force by forging as in the above-mentioned example.

[0022]

According to the slider with cover for slide fasteners of the present invention, a recess is provided in the upright surface of the column portion, a build-up portion is provided at a portion facing the recess of the cover, and the build-up portion is pressed by forging. Since it is installed by flowing into the recess due to pressure, the outer surface of the cover thus installed does not expose the means for installation and becomes a smooth surface, which further improves the appearance. is there.

Further, since the build-up portion is mounted by flowing into the concave portion by the pressing force by forging, unlike the case where it is simply engaged, the meat protruding into the concave portion adheres to the inner peripheral surface of the concave portion. As a result, the cover is attached to the slider body without rattling, and is firmly attached to the slider body for a long period of time.

According to the cover attaching method of the slider with the cover for slide fasteners of the present invention, the slider is attached by the steps of forming the concave portion in the column portion, forming the overlay portion in the cover, and forging. Since the processing means does not require a new mechanical device and can be processed by a conventional mechanical device, it can be mass-produced at low cost.

[Brief description of drawings]

FIG. 1A is a cross-sectional view showing a slider cover attaching apparatus according to the present invention when a cover is placed on a column portion. FIG. 6B is a sectional view showing a state in which the cover is attached to the slider.

FIG. 2 is a cross-sectional view of essential parts showing a similar example of a slider cover mounting device according to the present invention.

FIG. 3 is a sectional view of an essential part showing another example of the slider cover attaching device according to the present invention.

FIG. 4 is an exploded perspective view of a slider provided with a cover attaching device according to the present invention.

FIG. 5 is a perspective view showing a slider provided with a cover attaching device according to the present invention.

FIG. 6 is a bottom view showing a cover provided with a cover attaching device of a modified example according to the present invention.

FIG. 7 is a cross-sectional view showing a state in which a column portion is covered with a cover in the example of FIG. 6;

FIG. 8 is a cross-sectional view showing a state when the cover is attached to the slider in the example of FIG.

FIG. 9 is a sectional view showing still another example.

FIG. 10 is a side view showing a cover in a disassembled state in still another example of the cover attaching device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Slider body 2 Pull tab 5 Cover 10 Front side pillar portion 11 Rear side pillar portion 16 Recessed portion 17 Overlay portion 18 Claw piece

Claims (4)

[Claims] 1. A slider slider for a slide fastener, wherein a cover (5) is attached to a puller support surface of a slider body (1), and pillars (10, 11) are provided at front and rear portions within a range where the cover (5) is attached. ) On the upright surface of the recess (16
...) is formed to project, and a cover (5) having a built-up portion (17 ...) At a portion facing the concave portion (16 ...) Covers the outer surface of the front and rear pillar portions (10, 11). A slide fastener characterized by being covered and by being deformed by forging the build-up portion (16), the meat flows into the concave portion (16) and is fixed to each column portion (10, 11). Slider with cover. 2. When forming the slider body (1), pillar portions (10, 11) are recessed on both sides of the slider body (1) at the front and rear portions within the range where the cover (5) is attached to the puller support surface of the slider body (1). While being molded into a form including (16), the built-up portion (projectingly projectingly provided on the outer surface side of the portion of the cover (5) which covers both the pillar portions (10, 11) and faces the concave portion (16). 17) is molded, and after covering the column (10, 11) with the cover (5), the built-up portion (17) is pushed into the recess (16) of the column by pressing force by forging. A method of attaching a cover of a slider for a slide fastener, which is characterized by flowing in. 3. A cover (5a) on a puller support surface of the slider body (1) during molding of the slider body (1).
The pillar portions (10, 11) are formed in the front and rear portions within the mounting range to have the concave portions (16) on both side surfaces,
Covers (5) for covering the front and rear pillars (10, 11)
On the inner surface side of the portion facing the concave portion (16) of (a), a built-up portion (17) protruding in a convex shape is formed, and the cover (5) is formed.
The both sides of a) are curved so that they bulge outward, and after covering the column (10, 11) with the cover (5a), both sides of the cover (5a) are pressed by forging. Both sides of the cover (5a) are straightened by the pressure, and the build-up portion (17) is formed in the recess (1) of the column portion (10, 11).
6) A method for attaching a cover for a slider for a slide fastener, which is characterized in that it flows into the inside. 4. A cover (5b) on the puller support surface of the slider body (1) during molding of the slider body (1).
In the form in which the column portions (10, 11) are provided in the front and rear portions within the mounting range, and the concave portions (16 ...) Are provided on both side surfaces of the front column portion (10) and the rear surface of the rear column portion (11). While molding, cover (5) that covers both pillars (10, 11)
On the outer surface side of the portion of the front side column portion (10) facing the both side recessed portions (16) of b), a built-up portion (17) projecting outward in a convex shape is formed, and the cover (5b) is formed. ) The claw piece (1) facing the rear surface recessed part (16) of the rear side pillar part (11)
8) is molded, and the claw piece (18) is attached to the rear pillar (1
1) After engaging with the rear surface recessed portion (16) and covering the cover (5b) with both the pillar portions (10, 11), the built-up portion (1)
7) is pressed by the forging process, and the front pillar (1
A method for mounting a cover of a slider for a slide fastener, characterized in that it flows into the recess (16) of (0).