TWI475967B - Zipper - Google Patents

Description

zipper

The present invention relates to a zipper, and more particularly to a stopper for stopping sliding of a slider of a zipper.

As a zipper of the prior art, there is known a pair of chain cloths, and a pair of chain rows which are respectively disposed on a side edge portion of a pair of chain cloths opposite to each other, and are composed of a plurality of chain teeth a sliding member that engages the sprocket row and separates; the upper stop is respectively disposed at an upper end of the pair of sprocket rows and stops the sliding member; and the lower stop is coupled to the stalk a portion in which the sprocket of the lower end portion of the sprocket row is engaged, and stops the slider from moving backward; and the upper stopper and the lower stopper are dropped on the element row by the liquid ultraviolet curable resin The ultraviolet lamp is formed by hardening it (for example, refer to Patent Document 1).

Prior technical literature Patent literature

Patent Document 1: European Patent Application Publication No. 1179304

However, since the zipper described in Patent Document 1 does not consider the formation positions of the upper stopper and the lower stopper, the upper stopper and the lower stopper are formed in a state of protruding outward in the width direction of the reverse portion of the fastener element. In this case, there is a possibility that the appearance of the zipper is lowered. Further, since the upper stopper and the lower stopper are formed in a state of being protruded outward in the width direction of the reverse portion of the fastener element, the upper stopper cannot be caught in the flange of the slider, and the upper stopper cannot be entered. Inside the slider, there is a possibility that the zipper is not easily closed to the end.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a slide fastener which can improve the appearance of a slide fastener and can be easily closed to the last.

The above object of the present invention is achieved by the following constitution.

(1) A zipper, comprising: a pair of chain cloths; a pair of chain gear rows respectively disposed on a side edge portion of a pair of chain cloths opposite to each other, and having a plurality of chain teeth; , the fastener element is meshed and separated; and the stopper is disposed on the pair of fastener element rows to stop the sliding member from sliding; and the stopper is filled between at least two fastener elements The ultraviolet curable resin is formed, and the reverse portion of the sprocket having the stopper is exposed to the outside of the stopper, and the upper surface of the engaging portion of the sprocket provided with the stopper is used. The cover is covered.

(2) The zipper according to (1), wherein the sprocket row is sewn to the side edge portion of the chain fabric by the suture, and the stopper is not protruded more than the suture from the reverse side of the sprocket .

(3) The zipper according to (1) or (2), wherein the sprocket row is a zigzag-toothed sprocket row, comprising: a plurality of sprocket teeth having an engaging head, from the upper end of the engaging head The surface of the chain cloth extends outward in the width direction, and the leg portion extends from the lower end portion of the engaging head portion along the outer side in the width direction of the inner side of the chain cloth; the upper side reverse portion is coupled to the rear end portion of the upper leg portion And a lower rear end portion adjacent to the upper portion; and a lower reverse portion that connects the lower leg rear end portion and the abutting lower leg rear end portion.

(4) The zipper of any one of (1) to (3), wherein at least a portion of the stopper enters the sprocket guiding path of the slider.

According to the zipper of the present invention, since the stopper is composed of an ultraviolet curable resin filled between at least two or more fastener elements, the reverse portion of the fastener element provided with the stopper is exposed to the stopper On the outside, the upper surface of the engaging head of the sprocket provided with the stopper is covered by the stopper, so that the appearance of the zipper can be improved. Further, since the reverse portion of the fastener element is exposed to the outside of the stopper, the stopper can be inserted into the slider when the zipper is closed to easily close the zipper to the end.

Hereinafter, each embodiment of the slide fastener of the present invention will be described in detail based on the drawings. In the following description, regarding the chain cloth, the front side is closer to the viewer side than the paper surface of Fig. 1, the inner side is opposite to the back side of the paper surface of Fig. 1, and the upper side is opposite to the upper side of the paper surface of Fig. 1, and the lower side is opposite to the drawing. 1 on the lower side of the paper surface, the left side is opposite to the left side of the paper surface of FIG. 1, and the right side is opposite to the right side of the paper surface of FIG. 1. Regarding the sliding member, the upper side is closer to the observer side than the paper surface of FIG. 1, and the lower side is opposite to FIG. On the inner side of the paper surface, the front side is opposite to the upper side of the paper surface of Fig. 1, the rear side is opposite to the lower side of the paper surface of Fig. 1, the left side is opposite to the left side of the paper surface of Fig. 1, and the right side is opposite to the right side of the paper surface of Fig. 1. Moreover, the left and right direction of the chain cloth is also referred to as the width direction.

(First embodiment)

First, a first embodiment of a slide fastener according to the present invention will be described with reference to Figs. 1 to 6 .

As shown in Fig. 1, the slide fastener 10 of the present embodiment includes: a pair of right and left chain cloth 20; a pair of left and right chain gear rows 30, which are attached to the pair of left and right chain cloth 20 opposite side chain side edge portion 20a; And the slider 40 is configured to engage and disengage the element rows 30. Further, the sprocket row 30 is engaged and detached by sliding the slider 40 in the front-rear direction.

As shown in FIG. 2 to FIG. 4, the element row 30 is a zigzag-shaped chain of teeth formed by bending a monofilament made of synthetic resin, and includes: a plurality of sprocket 31 having an engaging head 32. The upper leg portion 33 extends outward from the upper end portion of the engaging head portion 32 along the surface of the chain cloth 20 in the width direction, and the leg portion 34 extends from the lower end portion of the engaging head portion 32 toward the outer side in the width direction along the inner surface of the chain cloth 20. The upper inverting portion 35 is connected to the rear end portion 33 and the rear end portion 33 adjacent to the upper leg portion 33; and the lower inversion portion 36 is coupled to the lower leg portion 34 and the lower end portion and the abutting lower portion 34 after the end. Further, the element row 30 is sewn to the chain side edge portion 20a of the chain fabric 20 by the suture 11. Further, the outer side in the width direction is a direction away from the chain side edge portion 20a of the pair of right and left chain cloths 20, and the inner side in the width direction of the outer side in the width direction means a pair of the pair of left and right chain cloths 20 The direction of the side edge portion 20a is linked to the chain. Further, the upper end portion of the upper leg portion 33 and the lower leg portion 34 opposite to the rear end portion of the upper leg portion 33 and the lower leg portion 34 means a boundary portion between the upper leg portion 33 and the lower leg portion 34 and the engaging head portion 32.

As shown in FIGS. 1 and 2, the slider 40 is provided with the upper blade 41 and the lower blade 42 disposed in parallel in the vertical direction, and the left and right edges along the upper blade 41 and the lower blade 42. a pair of right and left flanges 43 protruding in a direction close to each other; a guide post 44 connecting the upper blade 41 and the lower blade 42 at the front end; a tab mounting portion 45 provided on the upper surface of the upper blade 41; and rotating The tab 46 is freely mounted to the tab mounting portion 45. Thereby, the left and right introduction ports 47 separated by the guide post 44 are formed in the front portion of the slider 40, and the engagement opening 48 is formed in the rear portion of the slider 40. Further, a substantially Y-shaped sprocket guide path 49 is provided between the upper blade 41 and the lower blade 42 to communicate with the left and right introduction ports 47 and the engagement openings 48, and the sprocket guides 49 are formed to form a pair of left and right chains. The passage of the tooth row 30 is inserted. Thereby, the element tooth row 30 which enters the element guide path 49 from the left and right introduction ports 47 is moved toward the engagement port 48 according to the sliding of the slider 40, and is engaged with and separated from the opposite element row 30 by the opposite The action is proceeding. Further, the flange 43 is slidably coupled to the upper side of the element row 30 and the lower side reverse parts 35 and 36.

Further, as shown in FIG. 1, the slide fastener 10 includes an upper stopper 50 which is formed at an upper end portion of the pair of left and right element rows 30, and stops the slider 40, and a lower stopper 60 which is formed. The portion of the pair of left and right sprocket rows 30 at the lower end of the sprocket 31 is engaged, and the slider 40 is stopped. Further, the upper stopper 50 may be formed only on either one of the pair of left and right chain rows 30. Further, instead of the lower stop 60, an opening and inserting insert including a pin, a pin, and a tail cylinder may be attached.

As shown in FIG. 2 to FIG. 4, the upper stopper 50 is formed by filling a liquid ultraviolet curable resin between the four fastener elements 31 at the upper end portion of the element row 30 and curing it with an ultraviolet lamp. Further, the liquid ultraviolet curable resin is also filled in the internal space S1 surrounded by the meshing head portion 32, the upper leg portion 33, and the lower leg portion 34 of the fastener element 31 and the chain cloth 20.

Further, in the present embodiment, since the liquid ultraviolet curable resin is plugged by the suture 11, the upper portion of the upper stopper 50 is formed so as not to protrude further from the side of the upper inverting portion 35 than the suture 11. The lower surface of the upper stopper 50 is formed by the surface tension of the liquid ultraviolet curable resin so as not to protrude further than the meshing head portion 32 and the lower leg portion 34 of the fastener element 31. Thereby, the upper side and the lower reverse parts 35 and 36 of the sprocket 31 in which the upper stopper 50 is formed are exposed to the outside of the upper stopper 50. Therefore, as shown in FIG. 2, when the slider 40 is advanced to close the zipper 10 to the end, the upper stop 50 does not get caught on the flange 43 of the slider 40, but the upper stop 50 as a whole enters the slider 40. The sprocket guides the passage 49. Further, the upper surface of the engaging head portion 32 of the sprocket 31 in which the upper stopper 50 is formed is covered by the upper stopper 50. Here, the liquid ultraviolet curable resin which is sewn by the suture 11 means that the liquid ultraviolet curable resin which is dripped from above the meshing head 32 is from the side of the meshing head 32 toward the side of the inverting portion 35 in width. The outer side of the direction flows to expand the range covering the upper surface of the fastener element 31. However, in order to limit this effect, the suture 11 is caused to block the flow of the liquid ultraviolet curable resin.

As shown in FIG. 5 and FIG. 6, the lower stopper 60 is filled (infiltrated) with liquid ultraviolet rays by a portion in which four (eight in the left and right) sprocket 31 of the lower end portions of the pair of left and right element rows 30 are engaged. The curable resin is formed by hardening it with an ultraviolet lamp. Further, a liquid ultraviolet curable resin is also filled in the internal space S1.

Further, in the present embodiment, since the liquid ultraviolet curable resin is sewn by the suture 11, the upper portion of the lower stopper 60 is formed so as not to protrude further from the side of the upper inverting portion 35 than the suture 11. Since the lower portion of the stopper 60 is filled in the internal space S1, it is formed so as not to protrude further below than the internal space S1. Thereby, the upper side and the lower side reverse parts 35 and 36 of the sprocket 31 in which the lower stopper 60 is formed are exposed to the outside of the lower stopper 60. Further, the upper surface of the engaging head portion 32 of the sprocket 31 in which the portion of the lower stopper 60 is formed is covered by the lower stopper 60.

As described above, according to the slide fastener 10 of the present embodiment, the upper stopper 50 and the lower stopper 60 are formed of ultraviolet curable resin filled between at least two fastener elements 31, and the upper stopper 50 and the lower portion are provided. The upper side and the lower reverse parts 35 and 36 of the sprocket 31 of the stopper 60 are exposed outside the upper stop 50 and the lower stop 60, and a chain of the upper stop 50 and the lower stop 60 are provided. The upper surface of the engaging head portion 32 of the tooth 31 is covered by the upper stopper 50 and the lower stopper 60, so that the appearance of the zipper 10 can be improved. Further, since the upper side and the lower reverse parts 35 and 36 of the sprocket 31 are exposed to the outside of the upper stopper 50, the upper stopper 50 can be inserted into the sprocket guiding path 49 of the slider 40 when the zipper 10 is closed. Thus, the zipper 10 is easily closed to the end.

Further, according to the slide fastener 10 of the present embodiment, since the upper stopper 50 and the lower stopper 60 do not protrude further from the upper inversion portion 35 than the suture 11, the appearance of the slide fastener 10 can be further improved.

(Second embodiment)

Next, a second embodiment of the slide fastener of the present invention will be described with reference to Figs. 7 and 8 . The same or equivalent parts as in the first embodiment are denoted by the same reference numerals in the drawings, and the description thereof will be omitted or simplified.

As shown in FIGS. 7 and 8, the fastener chain 10 of the present embodiment is attached to the chain side edge portion 20a of the chain fabric 20 instead of the element row 30.

As shown in FIG. 7, the element row 70 is formed by winding a monofilament made of synthetic resin in a certain direction, and the element row is in a coil shape, and is provided with a plurality of sprocket 71 having an engaging head. The portion 72 extends from the upper end portion of the engaging head portion 72 toward the outer side in the width direction, and the leg portion 74 extends from the lower end portion of the engaging head portion 72 toward the outer side in the width direction; and the inverting portion 75 is connected The rear portion of the upper leg portion 73 and the rear end portion of the abutment foot portion 74. Further, the element row 70 is sewn together with the core tape 12 disposed in the internal space S2 surrounded by the engaging head portion 72, the upper leg portion 73, the lower leg portion 74, and the inverting portion 75 by the suture 11 The surface of the chain side edge portion 20a of the chain cloth 20.

Further, as shown in Fig. 7 and Fig. 8, in the same manner as in the first embodiment, the upper stopper 50 is formed at the upper end portions of the pair of left and right element rows 70, and the pair of left and right chain rows 70 are formed. A portion of the lower end portion of the sprocket 71 that engages is formed with a lower stop 60.

As shown in Fig. 7, the upper stopper 50 is formed by filling a liquid ultraviolet curable resin between two or more fastener elements 71 at the upper end portion of the element row 70, and curing it with an ultraviolet lamp. Further, a liquid ultraviolet curable resin is also filled in the internal space S2.

Further, in the present embodiment, since the upper portion of the upper stopper 50 is filled with the liquid ultraviolet curable resin by the suture 11, it is formed so as not to protrude further from the reversing portion 75 than the suture 11 and is stopped. The lower portion of the stopper 50 is formed by the surface tension of the liquid ultraviolet curable resin and the upper surface of the chain fabric 20 so as not to protrude beyond the meshing head portion 72 and the lower leg portion 74 of the fastener element 71. Thereby, the reverse portion 75 of the sprocket 71 in which the upper stopper 50 is formed is exposed to the outside of the upper stopper 50. Further, the upper surface of the engaging head portion 72 of the sprocket 71 in which the upper stopper 50 is formed is covered by the upper stopper 50. Here, the liquid ultraviolet curable resin which is suspended by the suture 11 means that the liquid ultraviolet curable resin which is dropped from above the meshing head portion 72 is in the width direction from the side of the engaging head portion 72 toward the side of the inverting portion 75. The outer side flows to expand the range covering the upper surface of the fastener element 71. However, in order to limit this effect, the suture 11 is caused to block the flow of the liquid ultraviolet curable resin.

As shown in Fig. 8, the lower stopper 60 is filled (infiltrated) with liquid ultraviolet curing by a portion in which two (four or more left and right) sprocket 71 of the lower end portions of the pair of left and right element rows 70 are engaged. The resin is formed by hardening it with an ultraviolet lamp. Further, a liquid ultraviolet curable resin is also filled in the internal space S2.

Further, in the present embodiment, since the liquid ultraviolet curable resin is sewn by the suture 11, the upper portion of the lower stopper 60 is formed so as not to protrude further from the reversing portion 75 than the suture 11 and is stopped. Since the lower portion of the stopper 60 is filled in the internal space S2, it is formed so as not to protrude further below than the internal space S2. Thereby, the reverse portion 75 of the sprocket 71 in which the portion of the lower stopper 60 is formed is exposed to the outside of the lower stopper 60. Further, the upper surface of the engaging head portion 72 of the sprocket 71 in which the portion of the lower stopper 60 is formed is covered by the lower stopper 60.

As described above, according to the slide fastener 10 of the present embodiment, the upper stopper 50 and the lower stopper 60 are formed of ultraviolet curable resin filled between at least two fastener elements 71, and the upper stopper 50 and the lower portion are provided. The reversing portion 75 of the sprocket 71 of the portion of the stopper 60 is exposed outside the upper stopper 50 and the lower stopper 60, and the engaging portion of the sprocket 71 of the upper stopper 50 and the lower stopper 60 is provided. The upper surface of the cover 72 is covered by the upper stop 50 and the lower stop 60, so that the appearance of the zipper 10 can be improved. Further, since the reversing portion 75 of the sprocket 71 is exposed to the outside of the upper stopper 50, the upper stopper 50 can be inserted into the sprocket guiding path 49 of the slider 40 when the zipper 10 is closed, so that the zipper can be easily detached. 10 closed to the end.

The other configuration is the same as that of the first embodiment described above.

10. . . zipper

11. . . Suture

20. . . Chain cloth

20a. . . Chain side edge

30. . . Sprocket row (sawtooth chain)

31. . . Chain teeth

32. . . Meshing head

33. . . Upper foot

34. . . Lower leg

35. . . Upper side reversal

36. . . Lower side reversal

40. . . Slider

49. . . Sprocket guiding path

50. . . Upper stop (stop)

60. . . Lower stop (stop)

70. . . Chain row

71. . . Chain teeth

75. . . Reverse part

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view showing a first embodiment of a slide fastener according to the present invention.

Fig. 2 is an enlarged cross-sectional view showing the periphery of the slider of the zipper closed to the last state.

Figure 3 is an enlarged surface view of the periphery of the upper stop shown in Figure 1.

Figure 4 is a cross-sectional view taken along line A-A of Figure 3;

Figure 5 is an enlarged surface view of the periphery of the upper stop shown in Figure 1.

Figure 6 is a cross-sectional view taken along line B-B of Figure 5.

Fig. 7 is an enlarged cross-sectional view showing a stopper on the second embodiment of the slide fastener of the present invention.

Fig. 8 is an enlarged cross-sectional view showing the zipper lower stop of the second embodiment.

10. . . zipper

11. . . Suture

20. . . Chain cloth

20a. . . Chain side edge

30. . . Sprocket row (sawtooth chain)

31. . . Chain teeth

32. . . Meshing head

33. . . Upper foot

35. . . Upper side reversal

40. . . Slider

42. . . Lower wing

43. . . Flange

44. . . Guide column

47. . . Guide

48. . . Mating port

49. . . Sprocket guiding path

50. . . Upper stop (stop)

Claims (5)

A zipper, comprising: a pair of chain cloths (20); a pair of chain rows (30, 70) respectively disposed on opposite side edges (20a) of the pair of chain cloths, And having a plurality of sprocket teeth (31, 71); a sliding member (40) for engaging and disengaging the sprocket rows; and upper stoppers (50) respectively disposed at the upper ends of the pair of sprocket rows And stopping the sliding member; and a lower stopper (60) formed at a portion where the sprocket of the lower end portion of the pair of fastener elements is engaged, and stopping the sliding member; and The upper stopper and the lower stopper are made of ultraviolet rays hardened on the upper surface of the engaging heads (32, 72) which are filled between the two adjacent ones of the fastener element rows and which cover the fastener elements. The resin is formed of a resin; and the reverse portions (35, 36, 75) of the fastener elements provided in the upper stopper and the lower stopper are exposed outside the upper stopper and the lower stopper. The zipper of claim 1, wherein the sprocket row (30, 70) is sewn to the chain side edge portion (20a) of the chain cloth (20) by a stitch (11), and the above-mentioned top stop The stopper and the lower stopper (50, 60) are not protruded from the above-mentioned inverting portion (35, 36, 75) side of the fastener element (31, 71) more than the above-mentioned suture. The zipper of claim 1 or 2, wherein the sprocket row (30) is a zigzag sprocket row comprising: a plurality of sprocket teeth (31) having an engaging head (32) extending the upper leg portion (33) outward from the upper end portion of the engaging head portion along the surface of the chain cloth (20) in the width direction, and from the lower end portion of the engaging head portion along the inner surface of the chain cloth a leg portion (34) extending outward in the width direction; an upper inverting portion (35) connecting the rear end portion of the upper leg portion and the rear end portion adjacent to the upper leg portion; and a lower inverting portion (36), It connects the rear end portion of the lower leg portion and the rear end portion of the lower leg portion adjacent thereto. A zipper according to claim 1 or 2, wherein said lower stopper (60) covers said engaging head portion of said portion of said pair of sprocket rows (30, 70) engaged by said sprocket (31, 71) 72). A zipper according to claim 3, wherein said lower stopper (60) covers said engaging head portion (32, 72) of a portion where said sprocket (31, 71) of said pair of sprocket rows (30) are engaged.