CN105307533A

CN105307533A - Slide fastener with separable bottom stop assembly, and injection molding die

Info

Publication number: CN105307533A
Application number: CN201380076936.6A
Authority: CN
Inventors: 藤井崇成
Original assignee: YKK Corp
Current assignee: YKK Corp
Priority date: 2013-05-29
Filing date: 2013-05-29
Publication date: 2016-02-03
Anticipated expiration: 2033-05-29
Also published as: CN105307533B; TWI526171B; TW201505577A; WO2014192106A1

Abstract

This slide fastener (1, 2, 3) equipped with a separable bottom stop assembly (30, 80, 100) has an insertion pin (31, 81, 101) and a box pin (32, 82, 102), and at least one groove (31h, 81h, 101h) is formed in the side surface of the insertion pin (31, 81, 101) which faces the box pin and/or the side surface of the box pin (32, 82, 102) which faces the insertion pin, the at least one groove (31h, 81h, 101h) extending in the tape front/back direction. The groove (31h, 81h, 101h) is open at either the front surface or the back surface of the insertion pin (31, 81, 101) or the box pin (32, 82, 102) and is extended continuously to the height position corresponding to the tape position either within the insertion pin (31, 81, 101) or within the box pin (32, 82, 102). In this slide fastener (1, 2, 3), the exposure or protrusion of a fastener tape (11, 61) either from the side surface of the insertion pin (31, 81, 101) which faces the box pin or from the side surface of the box pin (32, 82, 102) which faces the insertion pin is less likely to occur.

Description

With slide fastener and the injection molding mould of detachable inlay

Technical field

The present invention relates to a kind of comprise plastic latch and cylinder pin the slide fastener with detachable inlay and the injection molding mould of injection molding for latch or cylinder pin.

Background technology

The slide fastener of general type comprises usually: a pair zip fastener, forms chain tooth row at the strap side edge part of pair of right and left zipper cloth belt institute subtend along strap length direction; And pull head, the chain tooth row of left and right can be slidably mounted on.In addition, the pull head for the slide fastener of general type comprises: slider body, is being linked with the sprocket guiding road comprising roughly Y-shaped shape between the upper lower wing plate of introducing port side end by guide post; And pulling-on piece, can remain on to turn the pulling-on piece erection column of the upper flange being configured in slider body.

The slide fastener of this general type is the chain tooth row engagement being made left and right by slide pull head, in addition, removes the engagement of chain tooth row, thus, slide fastener can be closed or pull open.

In addition, there is the sliding scale in order to specify pull head in the slide fastener of general type, and prevent pull head from getting rid of from sprocket, and the both ends of strap length direction in the zip fastener of left and right, stopper section (being sometimes referred to as upper stopper section or lower stopper section) is arranged on continuously the situation of chain tooth row.

In addition, when the engagement of chain tooth row removing left and right completely, also exist in order to the zip fastener of left and right can be made to be separated, and the situation of detachable inlay is set in the end of zip fastener.This detachable inlay generally includes: latch, is configured in the end of a zip fastener, and is arranged on chain tooth row continuously; Cylinder pin, is configured in the end of another zip fastener, and is arranged on chain tooth row continuously; And open tail pipe, stretch out from the end of cylinder pin, and there is the latch resettlement section that can plug for latch.

By detachable inlay is configured in slide fastener, and such as by under the state of the engagement releasing of the chain tooth row entirety of left and right, extracted in the latch resettlement section of opening tail pipe by latch, and then road is guided to take out via the sprocket of pull head, thereby, it is possible to make the zip fastener of left and right fully be separated.On the other hand, the state that zip fastener from left and right is separated, sprocket via pull head guides road to be inserted into out in the latch resettlement section of tail pipe by latch, and after the zip fastener of left and right being linked via detachable inlay, make pull head from detachable inlay away from square upward sliding, thereby, it is possible to make the chain tooth row engagement of left and right, slide fastener is closed.

On the other hand, as the one of slide fastener, there will be a known when the chain tooth row engagement making left and right, can by zipper cloth belt by the CONCEAL ZIPPER that chain tooth row is hidden.This CONCEAL ZIPPER comprises zip fastener and the pull head of left and right, in addition, each zip fastener is that the strap side edge part of zipper cloth belt is bent into cross section U-shaped, and forms chain tooth row at the outer surface of the cloth band portion (sprocket installation portion) of this U-shaped ground inflection along strap length direction.

Slider body for the pull head of CONCEAL ZIPPER comprises: lower wing plate; The flange part of the left and right of cross section L-shaped, erects from the left and right lateral margin of lower wing plate, and is bent into approximate right angle in direction close to each other; Guide post, the width central portion of the introducing port side end in lower wing plate is erect; The guide portion of left and right, the upper end of bootstrap post is stretched out towards the flange part of left and right; And pulling-on piece installation portion, be arranged on the upper end of guide post.In addition, at this slider body, formed the roughly sprocket guiding road of Y shape by the L-shaped flange part of lower wing plate, guide post, left and right and the guide portion of left and right.

And then the detachable inlay being configured in this CONCEAL ZIPPER is disclosed in such as Japanese Patent Laid-Open 2008-220842 publication (patent document 1) or International Publication No. 2011/135706 description.

As shown in figure 16, the detachable inlay 120 such as, recorded in patent document 1 comprises: latch 121, is configured in the end of a zip fastener (the first zip fastener) 131a; Cylinder pin 122, is configured in the end of another zip fastener (the second zip fastener) 131b; And open tail pipe 123, be integrally formed in the end of cylinder pin 122; And these latches 121, cylinder pin 122 and open tail pipe 123 and adopt thermoplastic resin to be formed.

In addition, in the following description, so-called fore-and-aft direction refers to the length direction of zip fastener 131a, 131b, and is the direction that the glide direction of carrying out sliding with pull head is identical.Especially, direction pull head being slided in the mode making the chain tooth row 132 of left and right engage is set to front, and direction pull head being slided in the mode of the engagement releasing making chain tooth row 132 is set to rear.

So-called left and right directions refers to the width of a pair zip fastener 131a, 131b, and is the direction parallel and orthogonal with strap length direction with the cloth zone face of the strap main part of zipper cloth belt 133.In addition, so-called above-below direction refers to the direction orthogonal with the cloth zone face of the strap main part of zipper cloth belt 133, especially, the side of the pulling-on piece configuring pull head relative to zipper cloth belt 133 is set to top, and the direction of its opposition side is set to below.

The latch 121 of patent document 1 is arranged on chain tooth row 132 continuously, and the ora terminalis (end edge) of strap length direction in zipper cloth belt 133 is arranged highlightedly.In addition, latch 121 is the strap kink of the roughly U-shaped of simulation zipper cloth belt 133 and cross section is configured as roughly U-shaped, and anchors at the rearward end of zipper cloth belt 133.

In addition, latch 121 comprises: bolt body 121a, is configured in chain tooth row 132 side, and anchors at zipper cloth belt 133; Plug portion 121b, rearward stretches out from bolt body 121a in the mode along chain tooth row 132, and the following latch resettlement section 123a splitting tail pipe 123 plugs; Button unloads portion 121c, is rearward stretch out from bolt body 121a in the strap main part side of zipper cloth belt 133, and split tail pipe 123 followingly unloaded portion 123d by button and carry out button and unload; And not shown sidewall portion, the latch 121 subtend lateral margin side of plug portion 121b and button being unloaded portion 121c links.In addition, arrange at this latch 121 and to extend in strap main part side from bolt body 121a and to anchor at the horizontal stroke cancellate rib 125 of zipper cloth belt 133.

The plug portion 121b of latch 121 and buckle the portion 121c of unloading and have respectively from bolt body 121a side towards top ends, to the form of the corner post shape that the strap main part side of zipper cloth belt 133 tilts slightly, in addition, the cross section of plug portion 121b presents close to foursquare shape, and the cross section that button unloads portion 121c presents flat rectangular-shaped.And then the top ends of unloading portion 121c at button arranges the inclined plane part making the size of strap thickness direction successively decrease towards top.The sidewall portion of latch 121 is configured to can be inserted into out in the following notch portion 123c of tail pipe 123.

The cylinder pin 122 of patent document 1 is the mode being arranged on chain tooth row 132 continuously, anchors at the rearward end of zipper cloth belt 133.In addition, in cylinder pin 122 and open tail pipe 123 and arrange and extend to strap main part side and the horizontal stroke cancellate rib 124 anchoring at zipper cloth belt 133.

Patent document 1 open the box like parts that tail pipe 123 is integrally formed rearward end in cylinder pin 122, and to comprise: right-hand part is formed with rearward stretching out from cylinder pin 122; And left side, be stretch out on strap width towards latch 121 side from right-hand part; And formed in the left side of opening tail pipe 123 at front side opening and latch 121 can be inserted into the latch resettlement section 123a carrying out accommodating in inside.

Form the upper wall portions 123b that is configured in upper surface side in the wall portion of latch resettlement section 123a and right-hand part and latch 121 subtend side side (subtend side) between, form to front openings that have can by the notch portion 123c of the width dimensions of the described sidewall portion insertion of latch 121.

And then, make latch 121 described is set in the upper surface side of the upper wall portions 123b being configured in left side and buckles the portion 121c of unloading and carry out buckleing being buckled of unloading and unload portion 123d.This portion 123d that unloaded by button opening tail pipe 123 comprises: horizontal frame portion, be left and right directions extend, and make latch 121 buckle unload portion 121c top abut; And vertical frame portion, be that one side tiltedly simultaneously extends to right-hand part inclination toward the front from the end of latch 121 subtend in horizontal frame portion; And this is opened being unloaded by button of tail pipe 123 and presents hook-shaped mode when portion 123d is and overlooks and formed.

According to this CONCEAL ZIPPER comprising the detachable inlay 120 of patent document 1, due to latch 121 plug portion 121b and buckle and unload portion 121c and link throughout whole length direction via sidewall portion, so intensity or the durability that plug portion 121b and button unload portion 121c can be promoted.

And then, open the upper wall portions 123b being configured in left side of tail pipe 123 and right-hand part and latch 121 subtend side side (subtend side) between, form the notch portion 123c that can insert for the sidewall portion of latch 121, so, when the sprocket via pull head guides road latch 121 to be inserted into out the latch resettlement section 123a of tail pipe 123, the lower wing plate of pull head can be prevented to be sandwiched into and to unload between portion 121c at the plug portion 121b and buckleing of latch 121.

In addition, the sidewall portion of latch 121 can be guided to open the notch portion 123c of tail pipe 123, the plug portion 121b of latch 121 is successfully inserted into out the latch resettlement section 123a of tail pipe 123, and the portion 121c of unloading that buckles of latch 121 can be made successfully to be fastened on out being buckled of tail pipe 123 and to unload portion 123d.

On the other hand, the detachable inlay recorded in patent document 2 is the formation of the latch not only with described patent document 1, and the sprocket buckling parts fastened with the zipper sprocket of the last side be configured in the chain tooth row of the second zip fastener is set in the cylinder pin subtend side of this latch, and not only there is the formation of the cylinder pin of described patent document 1, and to arrange in the latch subtend side of this cylinder pin and accommodate the resettlement section of the sprocket buckling parts of latch and form.

According to this CONCEAL ZIPPER comprising the detachable inlay of patent document 2, the state that the zip fastener from left and right is separated, sprocket via pull head guides road to be inserted into out in tail pipe by latch, during by CONCEAL ZIPPER locking, pull head is made to slide at locking Fang Shangxiang under the state not being inserted into out the ad-hoc location of tail pipe if any at such as latch, the sprocket buckling parts of latch also can not enter between the zipper sprocket of the second zip fastener, thus can prevent pull head from moving towards locking direction.Thereby, it is possible to prevent zipper sprocket from producing incorrect engagement between the chain tooth row of left and right, thus the engagement of chain tooth row is stablized, in addition, the sliding that pull head is stable can be obtained.

Prior art document

Patent document

Patent document 1: Japanese Patent Laid-Open 2008-220842 publication

Patent document 2: International Publication No. 2011/135706 description

Summary of the invention

[inventing the problem that will solve]

When by the latch of detachable for the formation of slide fastener inlay or cylinder pin (or cylinder pin and open tail pipe) on zip fastener when injection molding, usually, zipper cloth belt is clamped between first mould (fixed die) of injection molding mould and the second mould (movable mold) and carries out locked mode, and a part for zipper cloth belt to be embedded in inner mode, latch or cylinder pin (or cylinder pin and open tail pipe) are shaped.

But, latch or cylinder pin are arranged on zipper cloth belt in the mode be connected with chain tooth row usually, if so be the situation of the slide fastener of such as general type, then along zipper cloth belt strap lateral margin and formed, in addition, if be the situation of CONCEAL ZIPPER, then along the U-shaped of zipper cloth belt strap kink and formed.

But in the injection molding of latch or cylinder pin, the position of the position of zipper cloth belt, especially strap lateral margin is difficult to stablize in the die cavity space of injection molding mould, thus exist because formed products difference causes the situation of the position inequality of zipper cloth belt.Therefore, be that the strap pre-set positive for the strap of the zipper cloth belt back side is pushed down pushes down portion in the inside of mould in the past, thus suppress when injection molding zipper cloth belt just carrying on the back direction at strap and rock, made strap position stability.

But, though the strap portion of pushing down that this positive back side of the strap by zipper cloth belt is pushed down suppresses strap just carrying on the back rocking of zipper cloth belt on direction to a certain degree, be difficult to the position of the zipper cloth belt stably limited on the width of zip fastener.Therefore, produce following unfavorable condition: if observe latch or the cylinder pin of injection molding gained, then zipper cloth belt a part from latch with the side (cylinder pin subtend side) of cylinder pin subtend or the exposing with the side (latch subtend side) of latch subtend or protrude of cylinder pin.

Especially when CONCEAL ZIPPER, the strap kink of the installation latch of zipper cloth belt or the U-shaped of cylinder pin with formed therein can for the flange part of pull head inserted through the mode in space, there is gauge to a certain degree and inflection just carrying on the back direction, relatively easily move on the width of zip fastener so be configured to strap kink.Therefore, in the latch of CONCEAL ZIPPER or the injection molding of cylinder pin, compared with the slide fastener of general type, be easy to produce exposing or the unfavorable condition such as protrusion of zipper cloth belt as above.

If a part for zipper cloth belt is so showed out from the cylinder pin subtend side of latch or the latch subtend of cylinder pin or protrudes, then not only make the exterior quality (attractive in appearance) of slide fastener (especially detachable inlay) reduce, and the intensity of latch or cylinder pin is declined.Therefore, when in the operation at detachable inlay, when latch or cylinder pin are stretched or reverse, exist in latch or cylinder pin be easy to produce damaged, the problem causing the durability of detachable inlay to decline and so on.

And then, if a part for zipper cloth belt is protruded from the latch subtend side of the cylinder pin subtend side of latch or cylinder pin, then when latch being inserted into out the latch resettlement section of tail pipe or when extracting in the latch resettlement section of certainly opening tail pipe, also the part that there is this zipper cloth belt is easily interfered with latch or cylinder pin, makes the danger that the operability of detachable inlay reduces.

The present invention completes in view of described problem in the past, its concrete object is to provide a kind of slide fastener with detachable inlay, should be suppress zipper cloth belt show out from the cylinder pin subtend side of latch or the latch subtend of cylinder pin or protrude with the slide fastener of detachable inlay, promote the exterior quality of detachable inlay, and not easily cause the reduction of the intensity of latch or cylinder pin, and the reduction of the operability of detachable inlay, and then, concrete object of the present invention is to provide a kind of injection molding mould carried out with the latch of the slide fastener of detachable inlay or the injection molding of cylinder pin described in formation.

[technological means of dealing with problems]

In order to reach described object, form as basic by the slide fastener with detachable inlay provided by the invention, topmost being characterised in that comprises: a pair first and second zip fastener, forms chain tooth row at the strap side edge part that the zipper cloth belt of left and right is relative; Latch, anchors at an end of described first zip fastener, and is arranged on described chain tooth row continuously; Cylinder pin, anchors at an end of described second zip fastener, and is arranged on described chain tooth row continuously; And at least one pull head, make the described chain tooth row engagement of left and right, be separated; And described latch with the side end face of described cylinder pin subtend and described cylinder pin with at least one of the side end face of described latch subtend, along strap just carrying on the back direction recessed at least one concave part, and described concave part just carries on the back in described latch or described cylinder pin first surface or second surface upper shed that direction is exposed, and the height and position corresponding with strap position just carried on the back on direction of the extended described zipper cloth belt to being embedded in described latch or described cylinder pin at least continuously.

In the slide fastener with detachable inlay of the present invention, preferred described zipper cloth belt comprises: strap main part; Strap kink, extended towards strap width from a lateral margin of described strap main part, and be bent into U-shaped along strap length direction; And sprocket installation portion, extended further towards strap width from described strap kink, and described chain tooth row is installed; And the engageable head forming the zipper sprocket of described chain tooth row projects in the lateral direction outside strap from the described strap kink of described zipper cloth belt.

In addition, in slide fastener of the present invention, preferred described concave part is near the strap ora terminalis of the strap length direction be configured in buried underground described zipper cloth belt.

And then described first surface preferably in the described latch or described cylinder pin of recessed described concave part or described second surface recessed depressed part, and the bottom of described depressed part comprises and the described first surface of described concave part institute opening in described latch or described cylinder pin or the cloth zone face of the immediate described zipper cloth belt of described second surface, and described concave part is configured to arrange on the strap width of described zipper cloth belt relative to described depressed part.

And then, according to the present invention, a kind of injection molding mould is provided, it is topmost is characterised in that: be as above with the described latch of the slide fastener of detachable inlay or the injection molding of cylinder pin for forming, and carry out described injection molding being clamped in by described zipper cloth belt under the state between the first mould and the second mould, and at least one of described first mould and described second mould has strap position limitation teat, this strap position limitation teat is certainly by the described cylinder pin subtend end face of described latch, or the smooth die cavity of the described latch subtend end face forming of described cylinder pin is given prominence to facing to die cavity space, and connect with the strap lateral margin of described zipper cloth belt and limit the position of this zipper cloth belt.

[invention effect]

Slide fastener with detachable inlay of the present invention has at least one concave part at least one of the cylinder pin subtend wall portion of latch and the latch subtend wall portion of cylinder pin, this concave part be from the cylinder pin subtend end face of latch or the latch subtend end face of cylinder pin recessed towards the zipper cloth belt be embedded in latch or cylinder pin.

In addition, each concave part is just carrying on the back direction along strap to be formed in latch or cylinder pin, and just carrying on the back at the strap of latch or cylinder pin first surface or second surface upper shed that direction is exposed.And then, each concave part just carries on the back direction at strap, is at least formed continuously to the height and position corresponding with strap position (cloth region) just carried on the back on direction of the zipper cloth belt be embedded in latch or cylinder pin from the first surface of latch or cylinder pin or second surface.In other words, each concave part is just carrying on the back on direction at strap, just carrying on the back direction be formed continuously to and exceed and latch or the first surface of concave part institute opening of cylinder pin or the height and position just carrying on the back the height and position on direction of the cloth zone face of the immediate zipper cloth belt of second surface along strap.

This concave part, by the die cavity face of the mould of the injection molding for latch or cylinder pin, arranges the strap position limitation teat of the position of restriction zipper cloth belt, and the latch be formed in as formed body or cylinder pin.By the concave part of the track as this strap position limitation teat is arranged on the cylinder pin subtend wall portion of latch or the latch subtend wall portion of cylinder pin, and under the state pushed down by the strap position limitation teat of mould at zipper cloth belt, carry out the injection molding of latch or cylinder pin, so, the final part not easily producing zipper cloth belt is hung oneself the situation that the cylinder pin subtend side of latch of injection molding or the latch subtend of cylinder pin are showed out or protruded, thus zipper cloth belt stably can be embedded in the inside of latch or cylinder pin.

Therefore, slide fastener with detachable inlay of the present invention can make to show out from the cylinder pin subtend side of latch or the latch subtend of cylinder pin because of zipper cloth belt or protrude and cause the various problems in the past such as the intensity reduction of latch or cylinder pin to be difficult to produce, so, be configured to exterior quality excellence, and the intensity of latch or cylinder pin and excellent in te pins of durability, and then the slide fastener of the also good high-quality of the operability of detachable inlay.

This slide fastener with detachable inlay of the present invention is especially good when being configured to following so-called CONCEAL ZIPPER, that is, zipper cloth belt comprises: strap main part; Strap kink, extended towards strap width from a lateral margin of strap main part, and bend along strap length direction U-shaped; And sprocket installation portion, extended further towards strap width from strap kink, and chain tooth row is installed; And the engageable head forming the zipper sprocket of chain tooth row projects in the lateral direction outside strap from the strap kink of zipper cloth belt.

That is, CONCEAL ZIPPER is in the past in its structure, as mentioned above, be easy to produce zipper cloth belt from the cylinder pin subtend side of latch or the latch subtend of cylinder pin is showed out or the unfavorable condition such as protrusion, even if but the slide fastener with detachable inlay of the present invention is when having the structure as CONCEAL ZIPPER, also not easily produces the problem of the class exposed or protrude of zipper cloth belt as above.Therefore, obtain intensity and the excellent in te pins of durability of latch or cylinder pin, and the CONCEAL ZIPPER that the operability of detachable inlay is also good.

In addition, in slide fastener of the present invention, concave part is configured in by near the strap ora terminalis of the strap length direction in the zipper cloth belt buried underground, is especially configured in by near the strap ora terminalis of the strap length direction in the strap side edge part of the relative side of the zipper cloth belt buried underground or strap kink.Owing to configuring the concave part formed by the strap position limitation teat of mould in this position, so can when the injection molding of latch or cylinder pin, easily suppress the movement of zipper cloth belt, therefore, zipper cloth belt stably can be embedded in the inside of latch or cylinder pin, thus effectively prevent exposing or protruding of zipper cloth belt.

And then, slide fastener of the present invention be recessed the latch of concave part or the first surface of cylinder pin or second surface recessed depressed part, and the bottom of depressed part comprises and the first surface of concave part institute opening in latch or cylinder pin or the cloth zone face of the immediate zipper cloth belt of second surface.In addition, the concave part of latch or cylinder pin is configured to arrange on the strap width of zipper cloth belt relative to this depressed part.

Herein, so-called concave part be configured to relative to this depressed part arrange on the strap width of zipper cloth belt refer to the forming region of the strap length direction forming concave part for relatively comprise for strap width (or overlapping) formed depressed part strap length direction forming region or be closely connected to the forming region of this depressed part.

In addition, the depressed part of latch or cylinder pin formed by the strap portion of pushing down such as arranged to be pushed down by zipper cloth belt on mould when the injection molding of latch or cylinder pin, and the first surface of latch or cylinder pin or second surface with concavity or channel-shaped ground recessed.

Therefore, by arranging concave part and depressed part at latch or cylinder pin with relation as above, and when the injection molding of latch or cylinder pin, the strap portion of pushing down of mould can be utilized to suppress zipper cloth belt just carrying on the back on direction at strap rock, thus make strap position stability, strap position limitation teat can be utilized to limit the position of the strap lateral margin of zipper cloth belt securely simultaneously.Therefore, exposing or protruding of zipper cloth belt can effectively be prevented further.

Secondly, as above with the latch of the slide fastener of detachable inlay or the injection molding of cylinder pin for forming by injection molding mould provided by the invention, and carry out injection molding being clamped in by zipper cloth belt under the state between the first mould and the second mould, and at least one of the first mould and the second mould has strap position limitation teat, this strap position limitation teat is certainly by the cylinder pin subtend end face of latch, or the smooth die cavity of the latch subtend end face forming of cylinder pin is given prominence to facing to die cavity space, and connect with the strap lateral margin of zipper cloth belt and limit the position of this zipper cloth belt.

Can by using this injection molding mould, first or second zip fastener is carried out to the injection molding of latch or cylinder pin, and stably latch or cylinder pin are shaped, described latch or cylinder pin to form at least one concave part with given shape as above, and zipper cloth belt can be suppressed to produce from the side with cylinder pin or latch subtend expose or protrude.Thereby, it is possible to it is excellent to obtain exterior quality, and the intensity of latch or cylinder pin and excellent in te pins of durability, and then the slide fastener with detachable inlay of the also good high-quality of the operability of detachable inlay.

Accompanying drawing explanation

Fig. 1 is the top view of the slide fastener with detachable inlay representing embodiments of the invention 1.

Fig. 2 is the major part enlarged drawing represented enlargedly by the detachable inlay of this slide fastener.

Fig. 3 is the stereogram representing the latch forming this detachable inlay.

Fig. 4 represents the cylinder pin forming this detachable inlay and the stereogram opening tail pipe.

Fig. 5 is the top view representing the state that first and second zip fastener has been separated.

Fig. 6 is the upward view representing the state that first and second zip fastener has been separated.

Fig. 7 is the sectional view along the VII-VII line shown in Fig. 5.

Fig. 8 is the major part amplification view represented enlargedly in the cross section of a part for latch.

Fig. 9 is the sectional view in the cross section of the injection molding mould representing latch.

Figure 10 is the sectional view in the cross section of the injection molding mould representing cylinder pin and open tail pipe.

Figure 11 is the key diagram of the state illustrated after the introducing port of pull head inserts latch.

Figure 12 illustrates the key diagram containing the state of latch in the latch resettlement section of opening tail pipe.

Figure 13 is the top view of the slide fastener with detachable inlay representing embodiments of the invention 2 with cross section partly.

Figure 14 is the major part amplification view represented enlargedly in the cross section of the detachable inlay of this slide fastener.

Figure 15 is the top view of the slide fastener with detachable inlay representing embodiments of the invention 3 with cross section partly.

Figure 16 is the major part stereogram of the major part of the slide fastener with detachable inlay represented in the past.

Detailed description of the invention

Below, for preferred embodiment of the present invention, one side enumerates embodiment with reference to graphic, and one side is described in detail.In addition, the present invention by any restriction of embodiment of following explanation, as long as have the formation identical in fact with the present invention, and does not play identical action effect, then can carry out various change.

Such as, the slide fastener with detachable inlay illustrated in following embodiment is by the continuous print zipper sprocket in zipper cloth belt suture ring buckle-like, or by zipper cloth belt by thermoplastic resin injection molding and the multiple independent zipper sprocket of spread configuration, and form each zip fastener.But, in the present invention, zipper sprocket be arranged on the method for zipper cloth belt and be not particularly limited, such as, also by be made into or weave into zipper cloth belt and side by side zipper sprocket inweaved or enroll at this zipper cloth belt and form each zip fastener.

Embodiment 1

Fig. 1 is the top view of the slide fastener with detachable inlay representing the present embodiment 1, and Fig. 2 is the major part enlarged drawing represented enlargedly by the detachable inlay of this slide fastener.In addition, Fig. 3 is the stereogram representing the latch forming this detachable inlay, and Fig. 4 represents the cylinder pin forming this detachable inlay and the stereogram opening tail pipe.And then Fig. 5 and Fig. 6 is the top view and the upward view that represent the state that first and second zip fastener has been separated, especially in figure 6, omits the diagram of suture zipper sprocket being sewn to zipper cloth belt.

In addition, as mentioned above, in the slide fastener with detachable inlay, so-called fore-and-aft direction refers to the length direction of zip fastener, and is the direction that the glide direction of carrying out sliding with pull head is identical.Especially, be set to front by with the direction making the mode of the chain tooth row of left and right engagement make pull head slide, direction pull head being slided in the mode of the engagement releasing making chain tooth row is set to rear.

In addition, so-called left and right directions refers to the width of zip fastener, and is the direction parallel and orthogonal with strap length direction with the cloth zone face of the strap main part of zipper cloth belt.Especially in the present embodiment 1 and following embodiment 2 and 3, by the slide fastener with detachable inlay as shown in Figure 1 overlook left direction under (situation that the mode that is, becoming illustrated above-below direction with the fore-and-aft direction of slide fastener represents) and right direction is set to left and right respectively.And then so-called above-below direction refers to the direction orthogonal with the cloth zone face of the strap main part of zipper cloth belt, especially, the side of the pulling-on piece configuring pull head relative to zipper cloth belt is set to top, the direction of its opposition side is set to below.

The slide fastener 1 comprising detachable inlay 30 of the present embodiment 1 is configured to so-called CONCEAL ZIPPER 1.This CONCEAL ZIPPER 1 comprises: a pair first and second zip fastener 10a, 10b, form chain tooth row 12 at the strap side edge part of the zipper cloth belt 11 of left and right; Pull head 20 can configure slidably along chain tooth row 12; Not shown backstop, is be adjacent to configure with the front of chain tooth row 12, and prevents coming off of pull head 20; And detachable inlay 30, be adjacent to configure with the rear end side of chain tooth row 12.

In addition, below, the first zip fastener 10a is set to left side zip fastener 10a, and the second zip fastener 10b is set to right side zip fastener 10b and is described.In addition, the slide fastener 1 of the present embodiment 1 is as described below, in the formation of detachable inlay 30 (especially latch 31 and cylinder pin 32), there is main feature, and left side and right side zip fastener 10a, 10b, pull head 20 and backstop have with for the left side of usually known CONCEAL ZIPPER in the past and the identical in fact respectively formation of right side zip fastener, pull head and backstop.

Specifically, each zip fastener 10a, the 10b on the left side in the present embodiment 1 and right side are by utilizing not shown suture at the multiple zipper sprocket 13 of outer peripheral face suture ring buckle-like continuous print returning tab portion of zipper cloth belt 11 that bends of U-shaped ground, forming chain tooth row 12 and form.

Left and right zipper cloth belt 11 be the strap side edge part of the side of mutual subtend along strap length direction, bend towards strap width U-shaped.In addition, as shown in Figures 7 and 8, each zipper cloth belt 11 comprises respectively: strap main part 11a, is configured in the exposed surface side of CONCEAL ZIPPER 1; Strap kink 11b is extended towards strap width continuously from a lateral margin of strap main part 11a, and the bending of U-shaped ground; And sprocket installation portion 11c, become time tab portion extended further at strap width from the lateral margin of strap kink 11b.

Chain tooth row 12 comprises multiple zipper sprockets 13 of the sequential like be shaped in the mode that plastic to polyamide or polyester etc. monofilament is wound into latch closure shape.In addition, the chain tooth row 12 in the present embodiment 1 also can comprise multiple zipper sprockets of sequential like of being shaped of plastic monofilament zigzag ground.

Each zipper sprocket 13 of sequential like comprises: engageable head 13a; Upper and lower foot is extended from this engageable head 13a; And linking part, be that the end of upper foot or lower foot is attached at the lower foot of adjacent zipper sprocket 13 or upper foot.In addition, each zipper sprocket 13 be make core rope 14 inserted through upper and lower foot between, and engageable head 13a towards under the state protruding outside of strap width (left and right directions), is sewn to the outer surface side of the sprocket installation portion 11c of zipper cloth belt 11 from the strap kink 11b of zipper cloth belt 11 by the double-stranded chain seam of not shown suture.

The pull head 20 of CONCEAL ZIPPER 1 is configured to the pull head with auto-stop mechanism.This pull head 20 comprises: slider body 21; Stop corpus unguis 22, can swingingly be assembled in slider body 21; Not shown parts of energizing (spring members) are that pushing stops corpus unguis 22; And pulling-on piece 23.

Slider body 21 comprises: lower wing plate 21a; The flange part 21b of the left and right of cross section L-shaped, is erect from the left and right lateral margin of lower wing plate 21a, and bends to approximate right angle on direction close to each other; Guide post 21c, erects the width central portion of the introducing port side end be arranged in lower wing plate 21a; And the guide portion of left and right, be that the periphery of bootstrap post 21c stretches out towards the flange part 21b of left and right.Be assembled with at the guide post 21c of this slider body 21 and stop corpus unguis 22 and parts of energizing, in addition, remain pulling-on piece at stopping corpus unguis 22.

At this slider body 21, formed the roughly sprocket guiding road of Y shape by the L-shaped flange part 21b of lower wing plate 21a, guide post 21c, left and right and the guide portion of left and right, and this sprocket guides road to be communicated with the mouth that engages of the opposition side being configured in introducing port by the introducing port being formed in the left and right sides of guide post 21c.

The detachable inlay 30 becoming features in the slide fastener 1 of the present embodiment 1 comprises: latch 31, anchors at the rearward end of left side zip fastener (the first zip fastener) 10a; Cylinder pin 32, anchors at the rearward end of right side zip fastener (the second zip fastener) 10b; And open tail pipe 33, be integrally formed in the rearward end of cylinder pin 32.These latches 31, cylinder pin 32 and to open tail pipe 33 be use the thermoplastic resin such as polyamide, polyacetals, polypropylene, polybutylene terephthalate (PBT) and form.

The latch 31 of the present embodiment 1 is the rearward end that the mode of the chain tooth row 12 being arranged on left side zip fastener 10a continuously anchors at zipper cloth belt 11, and a part is arranged highlightedly from the end edge of zipper cloth belt 11.In addition, latch 31 anchors at the outer peripheral face side of zipper cloth belt 11 and a part for inner peripheral surface side, and a part for the rearward end of zipper cloth belt 11 is inserted (burying underground) in latch 31.

This latch 31 comprises: bolt body 31a, is configured in chain tooth row 12 side, and anchors at zipper cloth belt 11; Sprocket buckling parts 31b is that be arranged on bolt body 31a with side end face (hereinafter referred to as cylinder pin subtend side) that is cylinder pin 32 subtend; Plug portion 31c, from bolt body 31a to extend out to rear along the mode of chain tooth row 12, and can plug for the following latch resettlement section 33c opening tail pipe 33; Button unloads portion 31d, is configured in than plug portion 31c (the strap main part 11a of zipper cloth belt 11) side by the top, and extend out to rear from bolt body 31a; And sidewall portion 31e, the cylinder pin subtend lateral margin side of plug portion 31c and button being unloaded portion 31d links.

In addition, the horizontal stroke cancellate left side rib 34 extending to strap main part 11a side from bolt body 31a is set at latch 31, and on the left of this, rib 34 anchors at outer peripheral face side and the inner peripheral surface side of strap main part 11a in the mode of the strap main part 11a clamping zipper cloth belt 11.Because arranging rib 34 on the left of this, and the rearward end of zipper cloth belt 11 is suitably protected, thus the durability of zipper cloth belt 11 gets a promotion.

Bolt body 31a is the strap kink 11b of roughly U-shaped of simulation zipper cloth belt 11, and the mode becoming roughly U-shaped or roughly J shape with cross section is formed.In bolt body 31a, the part being formed in the outer peripheral face of the sprocket installation portion 11c side of zipper cloth belt 11 makes chain tooth row 12 be connected with the plug portion 31c of latch 31, and there is specific thicknesses size (just carrying on the back the size in direction), with the following latch resettlement section 33c enabling its part be embedded in out tail pipe 33.And then arranging in the rearward end of bolt body 31a can for the following notch 31f inserted by the part that button unloads portion 33e opening tail pipe 33.

The depressed part 31g of concavity or channel-shaped is set in the upper surface side of bolt body 31a.As described below, this depressed part 31g is that the strap being arranged on the injection molding mould of latch 31 by one side is pushed down portion 47 and pushed down zipper cloth belt 11 one side and carry out the injection molding of latch 31 and push down track portion as strap and formed.In this case, depressed part 31g is the upper surface open at bolt body 31a, and the position of the belt surface of the recessed zipper cloth belt 11 to being embedded in latch 31, and the bottom of depressed part 31g comprises the cloth zone face with the immediate zipper cloth belt of upper surface of the bolt body 31a of concave part 31h institute opening.

And then, in the cylinder pin subtend side of bolt body 31a, towards the zipper cloth belt 11 (especially strap kink 11b) be embedded in latch 31 recessed 2 concave part 31h.In addition, in the present invention, be formed in the number of the concave part 31h of the cylinder pin subtend side of bolt body 31a and be not particularly limited, concave part 31h can be formed according to the size of latch 31 or design etc. with any number.

Each concave part 31h in the present embodiment 1 is just carrying on the back direction along strap to be formed.In addition, concave part 31h is upper surface (surface) side opening at bolt body 31a, and just carry on the back direction at strap, be at least formed continuously to from the height and position of the upper surface of bolt body 31a the height and position (with reference to Fig. 7 and Fig. 8) configuring and be inserted into the cloth region of the zipper cloth belt 11 in latch 31 with fixing cross sectional shape.

Specifically, the concave part 31h of the present embodiment 1 just carries on the back direction along strap, from the height and position of the upper surface of bolt body 31a, exceed the height and position of the cloth zone face of the immediate zipper cloth belt 11 with the upper surface of bolt body 31a, be formed continuously to the height and position of the sprocket installation portion 11c of zipper cloth belt 11.

That is, the concave part 31h of the present embodiment 1 be as following describe in detail the die cavity face that cylinder pin subtend side is shaped in the injection molding mould of latch 31, the strap position limitation teat 46 limiting the position of zipper cloth belt 11 is set with length-specific, when the injection molding of latch 31, zipper cloth belt 11 is stably pushed down by this strap position limitation teat 46, is finally just carrying on the back direction at strap as above and is having specific dimensions and formed.

Concave part 31h direction with specific dimensions is just being carried on the back because being so formed in strap in the cylinder pin subtend side of latch 31, so as described below, a part for zipper cloth belt 11 finally can be made to show out from the cylinder pin subtend of latch 31 or the unfavorable condition protruded is difficult to produce.

In this case, the concave part 31h being formed in latch 31 preferably has the groove depth from the cylinder pin subtend side of latch 31 till the position that the surface (outer peripheral face) of the strap kink 11b with zipper cloth belt 11 is corresponding.

In addition, the concave part 31h being formed in rear side in 2 concave part 31h is configured near the strap end edge in the strap kink 11b of zipper cloth belt 11.And then, the concave part 31h of this rear side be with a part for the forming region on the strap length direction of this concave part 31h on strap width, relatively overlap the mode of the forming region of the strap length direction of (or being included in) depressed part 31g, configure with arranging at the strap width of zipper cloth belt 11 relative to depressed part 31g.

In addition, in the present invention, the concave part 31h of rear side is that a part for forming region on the strap length direction of this concave part 31h can be relatively not overlapping with the forming region on the strap length direction of depressed part 31g yet, and configures with the nearly ground connection of front side of the forming region on the strap length direction of depressed part 31g.

Sprocket buckling parts 31b in the latch 31 of the present embodiment 1 is chain tooth row 12 side of the cylinder pin subtend side be configured in bolt body 31a and the downside (rear side) of bolt body 31a.In addition, sprocket buckling parts 31b gives prominence to facing to oblique upper from the cylinder pin subtend of bolt body 31a, and the full-size on the fore-and-aft direction of sprocket buckling parts 31b is set as more than 2 times of the gap between zipper sprocket 13.This sprocket buckling parts 31b is when making the chain tooth row 12 of left and right engage, and is fastened on the zipper sprocket 13 of the last side (cylinder pin 32 side) of the chain tooth row 12 being configured in right side.

The plug portion 31c being configured in lower face side of the latch 31 in the present embodiment 1 be configured in upper surface side buckle the portion 31d of unloading be with being spaced from each other specific interval from bolt body 31a side towards rearward end, the strap main part 11a side to zipper cloth belt 11 configures slightly obliquely.In this case, plug portion 31c is formed in and the button interval of unloading between portion 31d is the size being set as out that the following upper wall portions of tail pipe 33 can enter.In addition, the cross section of plug portion 31c presents close to foursquare shape, and the cross section that button unloads portion 31d presents flat rectangular-shaped.

Thisly plug portion 31c and button are unloaded the integrally formation that sidewall portion 31e that portion 31d links is the cylinder pin subtend lateral margin unloading portion 31d throughout plug portion 31c and button.In addition, the cylinder pin subtend side of sidewall portion 31e is that the cylinder pin subtend side of unloading portion 31d with the cylinder pin subtend side of plug portion 31c and button is formed in the same face.And then the size (width dimensions) of the left and right directions of sidewall portion 31e is set as guaranteeing required intensity, and can be inserted into out the specific size of the following notch portion 33d of tail pipe 33.

And the latch 31 of the present embodiment 1 as above and left side rib 34 can use the injection molding mould that comprises the first mould (fixed die) 41 shown in Fig. 9 and not shown the second mould (movable mold) and be shaped.In the inside of this injection molding mould, the die cavity space 42 corresponding to the shape of latch 31 and left side rib 34, the runner 43 becoming the path of the thermoplastic resin (molten resin) of melting are set and make molten resin flow into the cast gate 44 in die cavity space 42 from runner 43.

In this case, at the first mould 41, arrange from by 2 outstanding towards die cavity space 42 for the smooth die cavity face 45 of the cylinder pin subtend end face forming of latch 31 strap position limitation teats 46, and arrange, when zipper cloth belt 11 is clamped between the first mould 41 and the second mould, the strap that the strap outer peripheral face of this zipper cloth belt 11 is pushed down is pushed down portion 47.

At this injection molding mould comprising the first mould 41 and the second mould of use, when carrying out the injection molding of latch 31 and left side rib 34, first, between the first mould 41 and the second mould, configure left side zip fastener 10a carry out locked mode.Thus, the zipper cloth belt 11 of left side zip fastener 10a is clamped between the first mould 41 and the second mould.

In addition, now, push down portion 47 owing to arrange strap as described above at the first mould 41, so push down portion 47 by this strap and pushed down by the outer peripheral face of zipper cloth belt 11, thus suppress the zipper cloth belt 11 when injection molding to rock in die cavity space 42.In addition, owing to arranging 2 strap position limitation teats 46 as described above at the first mould 41, so these strap position limitation teats 46 can limit the position of zipper cloth belt 11 with the strap lateral margin phase ground connection of zipper cloth belt 11, thus, as shown in Figure 9, can with zipper cloth belt 11 the state that the smooth die cavity face 45 of the cylinder pin subtend end face forming of latch 31 separates be kept in mould.

After by the first mould 41 and the second mould locked mode, can by via injection molten resin in the die cavity space 42 of runner 43 and cast gate 44 pairs of moulds, and in cylinder pin subtend side there is latch 31 and the left side rib 34 stably integrally formed rearward end at left side zip fastener 10a of given shape by recessed for the concave part 31h of 2 shown in Fig. 3.

Especially in the present embodiment 1, as mentioned above, owing to arranging strap position limitation teat 46 at the first mould 41, so, injection molding can be carried out under the state limiting the position of zipper cloth belt 11 by strap position limitation teat 46, thereby, it is possible to make a part for zipper cloth belt 11 show out from the cylinder pin subtend of latch 31 formed thereby or the unfavorable condition such as protrusion is difficult to produce.

Secondly, the cylinder pin 32 of the present embodiment 1 is the mode of the chain tooth row 12 being arranged on right side zip fastener 10b continuously, anchor at the rearward end of zipper cloth belt 11, and the strap kink 11b of the roughly U-shaped of simulation zipper cloth belt 11, cross section presents roughly U-shaped or roughly J shape.In addition, cylinder pin 32 anchors at the outer peripheral face side of zipper cloth belt 11 and a part for inner peripheral surface side, and a part for the rearward end of zipper cloth belt 11 is inserted (burying underground) in cylinder pin 32.

The depressed part 32a of concavity or channel-shaped is set in the upper surface side of cylinder pin 32, and this depressed part 32a pushes down portion by the strap of the injection molding mould being arranged on cylinder pin 32 in the same manner as the depressed part 31g being formed in bolt body 31a is pushed down by zipper cloth belt 11, side by side carry out the injection molding of cylinder pin 32, and be formed as strap and push down track portion.

In this case, depressed part 32a is the upper surface open in cylinder pin 32, and the position of the belt surface of the recessed zipper cloth belt 11 to being embedded in cylinder pin 32, and the bottom of depressed part 32a comprises zipper cloth belt.In addition, when the present embodiment 1, the depressed part 32a being formed in cylinder pin 32 and the depressed part 31g being formed in bolt body 31a have symmetrical shape.

In addition, in the latch subtend side of cylinder pin 32, towards the zipper cloth belt 11 (especially strap kink 11b) in cylinder pin 32 recessed a concave part 32b.In addition, in the present invention, the number being formed in the concave part 32b of cylinder pin 32 can at random change.In addition, at the concave part 32b than cylinder pin 32 on the front side (chain tooth row 12 side), arrange in order to avoid the order difference part 32c with the interference of the sprocket buckling parts 31b of latch 31 when making the chain tooth row 12 of left and right engage.

The concave part 32b of the cylinder pin 32 in the present embodiment 1 is just carrying on the back direction along strap to be formed.In addition, this concave part 32b is the upper surface side opening in cylinder pin 32, and just carry on the back direction at strap, be at least formed continuously to from the height and position of the upper surface of cylinder pin 32 height and position configuring and be inserted in the cloth region of the zipper cloth belt 11 in cylinder pin 32 with fixing cross sectional shape.

Specifically, the concave part 32b of cylinder pin 32 just carries on the back direction along strap, from the height and position of the upper surface of cylinder pin 32, exceed the height and position of the cloth zone face of the immediate zipper cloth belt 11 with the upper surface of cylinder pin 32 and be formed to the height and position of the sprocket installation portion 11c of zipper cloth belt 11.Thus, be formed in latch 31 concave part 31g situation in the same manner as, a part for zipper cloth belt 11 can be made to show out from the latch subtend of cylinder pin 32 or the unfavorable condition protruded is difficult to produce.

In this case, the concave part 32b being formed in cylinder pin 32 preferably has the groove depth from the latch subtend side of cylinder pin 32 till the position that the surface (outer peripheral face) of the strap kink 11b with zipper cloth belt 11 is corresponding.

In addition, concave part 32b is configured near the strap end edge in the strap kink 11b of zipper cloth belt 11.And then, this concave part 32b be with a part for the forming region of the strap length direction of this concave part 32b on strap width, relatively overlap the mode of the forming region of the strap length direction of (or being included in) depressed part 32a, arrange with arranging on the strap width of zipper cloth belt 11 relative to depressed part 32a.

In addition, in the present invention, the concave part 32b of cylinder pin 32 is that the part of the forming region of the strap length direction of this concave part 32b also relatively can be configured in position that is not overlapping with the forming region of the strap length direction of depressed part 32a on strap width and that closely connect with the front side of the forming region of the strap length direction of depressed part 32a.

The present embodiment 1 open the box like parts that tail pipe 33 is integrally formed rearward end in cylinder pin 32, and comprise the right-hand part 33a formed with rearward stretching out from the cylinder pin 32 and left side 33b stretched out on strap width towards latch 31 side from right-hand part 33a, and formed at front side opening at the left side 33b opening tail pipe 33 and latch 31 can be inserted into the latch resettlement section 33c carrying out accommodating in inside.

Between the side (subtend side) of the upper wall portions being configured in upper surface side in the wall portion forming latch resettlement section 33c and right-hand part 33a's and latch 31 subtend side, the notch portion 33d with the width dimensions (that is, large than the width dimensions of sidewall portion 31e width dimensions) that can insert for the sidewall portion 31e of latch 31 is formed at fore-and-aft direction.This notch portion 33d is in front openings, and in addition, the back-end location of notch portion 33d is set in the position identical with the back-end location of latch resettlement section 33c.

And then, in the upper surface side projection of the upper wall portions being configured in left side 33b make latch 31 described and buckle the portion 31d of unloading and buckle being buckled of unloading and unload portion 33e.This portion 33e that unloaded by button opening tail pipe 33 comprises: the horizontal frame portion 33f of convex, be left and right directions extend, and make latch 31 buckle unload portion 31d top abut; And the vertical frame portion 33g of convex, be that one side tiltedly simultaneously extends to right-hand part 33a inclination toward the front from the end of the latch subtend of horizontal frame portion 33f; And present hook-shaped mode formed to overlook down.In addition, the top ends (leading section) of being unloaded the vertical frame portion 33g of portion 33e by button is the pointed shape being formed as attenuating towards top, and can be inserted in the notch 31f of bolt body 31a.

In addition, in cylinder pin 32 and open tail pipe 33 and arrange and extend to strap main part 11a side and the horizontal stroke cancellate right side rib 35 anchoring at zipper cloth belt 11, and on the right side of this, rib 35 anchors at outer peripheral face side and the inner peripheral surface side of strap main part 11a in the mode of the strap main part 11a clamping zipper cloth belt 11.Because arranging rib 35 on the right side of this, and the rearward end of zipper cloth belt 11 is suitably protected, thus promote the durability of zipper cloth belt 11.

And, the cylinder pin 32 of the present embodiment 1 as above, open tail pipe 33 and right side rib 35 and can use the injection molding mould that comprises the first mould (fixed die) 51 shown in Figure 10 and not shown the second mould (movable mold) and be shaped.In the inside of this injection molding mould, arrange with cylinder pin 32, open die cavity space 52 corresponding to the shape of tail pipe 33 and right side rib 35, become the runner 53 of the path of the thermoplastic resin (molten resin) of melting and make molten resin flow into the cast gate 54 in die cavity space 52 from runner 53.

In this case, at the first mould 51, the strap position limitation teat 56 that the smooth die cavity face 55 of the latch subtend end face forming of cylinder pin 32 is given prominence to towards die cavity space 52 by oneself is set, and arrange when zipper cloth belt 11 is clamped between the first mould 51 and the second mould, the strap pushing down the strap outer peripheral face of this zipper cloth belt 11 pushes down portion 57.

Carry out cylinder pin 32 when using this injection molding mould, when opening the injection molding of tail pipe 33 and right side rib 35, first, on the right side of configure between the first mould 51 and the second mould, zip fastener 10b carries out locked mode.Thus, the zipper cloth belt 11 of this zip fastener is clamped between the first mould 51 and the second mould.

Now, at the first mould 51, arrange strap as described above and push down portion 57, so can push down portion 57 by this strap and be pushed down by the outer peripheral face of zipper cloth belt 11, thus when suppressing injection molding, zipper cloth belt 11 rocks.In addition, at the first mould 51, strap position limitation teat 56 is set as described above, so this strap position limitation teat 56 connects with the strap lateral margin of zipper cloth belt 11 and limits the position of zipper cloth belt 11, thus, as shown in Figure 10, can by zipper cloth belt 11 with the state that the smooth die cavity face 55 of the latch subtend end face forming of cylinder pin 32 is separated in mould under keep.

After by the first mould 51 and the second mould locked mode, by via injection molten resin in the die cavity space 52 of runner 53 and cast gate 54 pairs of moulds, and as illustrated in fig. 4 by concave part 32b recessed in cylinder pin subtend side and have given shape cylinder pin 32, open tail pipe 33 and the right side rib 35 stably integrally formed rearward end at right side zip fastener 10b.

Especially in the present embodiment 1, as mentioned above, at the first mould 51, strap position limitation teat 56 is set, so injection molding can will be being carried out under the state of the position limitation of zipper cloth belt 11 by strap position limitation teat 56, thus, be difficult to produce the part of zipper cloth belt 11 show out from the latch subtend of cylinder pin 32 formed thereby or the unfavorable condition such as protrusion.

Secondly, about the slide fastener 1 comprising detachable inlay 30 with the present embodiment 1 as constructed as above, for the state be separated from each other from left side and right side zip fastener 10a, 10b, the chain tooth row 12 of left and right is engaged operation when slide fastener 1 locking is described.

First, pull head 20 is slided along the chain tooth row 12 being formed in right side zip fastener 10b towards opening tail pipe 33, cylinder pin 32 is inserted into sprocket from the engagement mouth of pull head 20 guide in road, and makes the engagement mouth side end (rearward end) of pull head 20 be connected to out tail pipe 33.Thus, pull head 20 is maintained at the limited position of the slip of rear end side.

Then, guide in road by the latch 31 being configured in left side zip fastener 10a is inserted into sprocket from the left side introducing port of pull head 20 as illustrated in fig. 11, and then, this latch 31 is inserted, and as shown in figure 12, the plug portion 31c of latch 31 is inserted into out the latch resettlement section 33c of tail pipe 33, and makes the portion 31d of unloading that buckles of latch 31 be fastened on out being buckled of tail pipe 33 and unload portion 33e.Thereby, it is possible to for cylinder pin 32 and open tail pipe 33, latch 31 is set as the state of the engagement of Absorbable organic halogens ground begin chain tooth row 12.

Then, can slide towards the front as sprocket engagement direction by making pull head 20, and the chain tooth row 12 of left and right is in turn engaged from rear end side, thus easily make slide fastener 1 locking.

On the other hand, comprise in the slide fastener 1 of detachable inlay 30 at the present embodiment 1, when the state that the chain tooth row 12 from left and right engages makes left side and right side zip fastener 10a, 10b are separated, first, pull head 20 is slided along chain tooth row 12 towards opening tail pipe 33, by the engagement releasing of the chain tooth row 12 of left and right, and then, make the rearward end of pull head 20 be connected to out tail pipe 33 (with reference to Figure 12).

Then, front side is moved in the mode mentioned by making latch 31, and make buckleing of latch 31 unload portion 31d from opening being buckled of tail pipe 33 and unload in portion 33e, and the plug portion 31c of latch 31 is extracted in the latch resettlement section 33c opening tail pipe 33, and then the sprocket via pull head 20 guides road to be pulled out by this latch 31.Thereby, it is possible to easily make left side and right side zip fastener 10a, 10b be separated.

The slide fastener 1 comprising detachable inlay 30 of above the present embodiment 1 part for zipper cloth belt 11 can be made as mentioned above from the cylinder pin subtend side of latch 31 or the latch subtend of cylinder pin 32 is showed out or the unfavorable condition such as protrusion is difficult to produce, so become the excellent and slide fastener of the high-quality that the operability of the intensity of latch 31 or cylinder pin 32 and excellent in te pins of durability and then detachable inlay 30 is also good of exterior quality.

Embodiment 2

Figure 13 is the top view of the slide fastener with detachable inlay representing the present embodiment 2 with cross section partly, and Figure 14 is the major part amplification view represented enlargedly in the cross section of the detachable inlay of this slide fastener.

The slide fastener 2 comprising detachable inlay 80 of the present embodiment 2 is the slide fasteners 2 being configured to general type.This slide fastener 2 comprises: on the left of in the of a pair and right side zip fastener 60a, 60b, forms chain tooth row 62 at the strap side edge part of the zipper cloth belt 61 of left and right; Pull head 70 can configure slidably along chain tooth row 62; Backstop 65, is be adjacent to configure with the front of chain tooth row 62, and prevents coming off of pull head 70; And detachable inlay 80, be adjacent to configure with the rear end side of chain tooth row 62.

Left side in the present embodiment 2 and right side zip fastener 60a, 60b arrange plastic multiple independent zipper sprocket 63 at the strap side edge part of zipper cloth belt 61 with arranged at certain intervals, thus form chain tooth row 62.In addition, as the synthetic resin for zipper sprocket 63, such as, the thermoplastic resins such as polyamide, polyacetals, polypropylene, polybutylene terephthalate (PBT) are selected.

In this case, zipper cloth belt 61 comprises strap main part and sprocket installation portion at strap width, and in addition, the strap lateral margin along zipper cloth belt 61 subtends of left and right arranges core rope portion 61a.Each zipper sprocket 63 comprises: main part, anchors at the sprocket installation portion comprising core rope portion 61a of zipper cloth belt 61; Neck, is that main body is extended outside strap, and has the shape collected at fore-and-aft direction; And the engageable head of elliptical shape, extended further from neck, and fore-and-aft direction swells.

The pull head 70 of the present embodiment 2 comprises slider body 71 and pulling-on piece 73.In addition, slider body 71 comprises: upper flange and lower wing plate; Link post, link between upper lower wing plate; Flange part, is arranged on the left and right lateral margin of lower wing plate; And pulling-on piece erection column 71a, erect the upper surface being arranged on upper flange, and pulling-on piece 73 can be kept in turn ground.In addition, configuring at slider body 71 links the end of the side of post, forms introducing port to left and right, and forms engagement mouth in the end of its opposition side.In slider body 71, formed and the introducing port of left and right guided road with the sprocket engaging the roughly Y shape that mouth is communicated with.

The detachable inlay 80 of the present embodiment 2 comprises: latch 81, is configured in the rearward end of left side zip fastener 60a; Cylinder pin 82, is configured in the rearward end of right side zip fastener 60b; And open tail pipe 83, be integrally formed in the rearward end of cylinder pin 82.These latches 81, cylinder pin 82 and to open tail pipe 83 be use the thermoplastic resin such as polyamide, polyacetals, polypropylene, polybutylene terephthalate (PBT) and form.

The latch 81 of the present embodiment 2 is the forms with the roughly corner post shape that width dimensions successively decreases slightly towards rear end, and anchors at the rearward end of zipper cloth belt 61 in the mode of the chain tooth row 62 being arranged on left side zip fastener 60a continuously.In this latch 81, insertion (burying underground) has the strap side edge part comprising core rope portion 61a in the rearward end of zipper cloth belt 61.

In addition, in the leading section of the latch 81 of the present embodiment 2, arrange when making the chain tooth row 62 of left and right engage, the sprocket buckling parts 81b that fastens with the zipper sprocket 63 being configured in last side (cylinder pin 82 side) of the chain tooth row 62 on right side.

And then, the cylinder pin subtend side in the rearward end of latch 81, towards the zipper cloth belt 61 be inserted in latch 81 recessed 2 concave part 81h.In this case, each concave part 81h is just carrying on the back direction along strap just to carry on the back integrally being formed continuously with fixing cross sectional shape of direction throughout latch 81, and with the just back of the body direction of the through latch 81 of mode in upper surface (surface) side of latch 81 and lower surface (back side) side opening.

Latch 81 in this present embodiment 2 by being used in projecting for the smooth die cavity face of the cylinder pin subtend end face forming of latch 81 the injection molding mould of 2 strap position limitation teats, and can easily be formed in left side zip fastener 60a under the state utilizing strap position limitation teat to limit the position of zipper cloth belt 61.Thus, the latch 81 of the present embodiment 2 of injection molding forms 2 concave part 81h as above in the cylinder pin subtend side of latch 81 with being spaced from each other specific interval, and in the same manner as the situation of described embodiment 1, a part for zipper cloth belt 61 can be made to show out from the cylinder pin subtend of latch 81 or the unfavorable condition protruded is difficult to produce.

On the other hand, the cylinder pin 82 of the present embodiment 2 has the form of roughly corner post shape, and anchors at the rearward end of zipper cloth belt 61 in the mode of the chain tooth row 62 being arranged on right side zip fastener 60b continuously.The present embodiment 2 open the box like parts that tail pipe 83 is integrally formed rearward end in cylinder pin 82, and to comprise: right-hand part 83a, extend out to rear from cylinder pin 82, and anchors at zipper cloth belt 61; And left side 83b, stretch out on strap width towards latch 81 side from right-hand part 83a.In addition, opening the left side 83b of tail pipe 83, formed at front side opening and latch 81 can be inserted into the latch resettlement section 83c carrying out accommodating in inside.

Comprising latch 81, cylinder pin 82 as above and open the slide fastener 2 with detachable inlay 80 of tail pipe 83 can by carrying out the operation identical with the slide fastener of general type in the past, and from the state that the zip fastener of left and right has been separated, the chain tooth row 62 of left and right is engaged, by slide fastener 2 locking, in addition, the state that also can engage from the chain tooth row 62 of left and right makes the zip fastener of left and right be separated.

The slide fastener 2 comprising the detachable inlay 80 of general type of above the present embodiment 2 part for zipper cloth belt 61 can be made as described above to show out from the cylinder pin subtend of latch 81 or the unfavorable condition such as protrusion is difficult to produce, so become exterior quality excellence, and the intensity of latch 81 and excellent in te pins of durability, and then the slide fastener 2 of the also good high-quality of the operability of detachable inlay 80.

Embodiment 3

Figure 15 is the top view of the slide fastener with detachable inlay representing the present embodiment 3 with cross section partly.

The slide fastener 3 comprising detachable inlay 100 of the present embodiment 3 is the slide fasteners (sometimes also referred to as the slide fastener of inverse open form) being called two open form being configured to comprise 2 pull heads 90a, 90b.

The slide fastener 3 of the present embodiment 3 comprises: on the left of in the of a pair and right side zip fastener 60a, 60b, forms chain tooth row 62 at the strap side edge part of the zipper cloth belt 61 of left and right; A pair first and second pull head 90a, 90b, can configure slidably along chain tooth row 62; Not shown backstop, is be adjacent to configure with the front of chain tooth row 62, and prevents coming off of first and second pull head 90a, 90b; And detachable inlay 100, be adjacent to configure with the rear end side of chain tooth row 62.

Herein, first pull head 90a is configured in just opening with pull head (sometimes also referred to as upper pull head) by the what is called of backstop side than the second pull head 90b, and the second pull head 90b is configured in use pull head (sometimes also referred to as lower pull head) than the first pull head 90a by inverse the opening of what is called of detachable inlay 100 side.

Left side in the present embodiment 3 and right side zip fastener 60a, 60b be with the left side in described embodiment 2 and right side zip fastener 60a, 60b in fact identical form.Therefore, in the slide fastener 3 of the present embodiment 3, about the formation that the parts had with illustrate in described embodiment 2 are identical, undertaken by using identical symbol representing and the description thereof will be omitted.

First and second pull head 90a, 90b of the present embodiment 3 comprise slider body 91 and not shown pulling-on piece respectively.In addition, each slider body 91 of first and second pull head 90a, 90b comprises: upper flange and lower wing plate; Link post, link between upper lower wing plate; Flange part, is arranged on the left and right lateral margin of lower wing plate; And pulling-on piece erection column, erect the upper surface being arranged on upper flange, and pulling-on piece can be kept in turn ground.

In addition, configuring at slider body 91 links the end of the side of post, forms introducing port to left and right, and forms engagement mouth in the end of its opposition side, in addition, formed in slider body 91 introducing port of left and right guided road with the sprocket engaging the roughly Y shape that mouth is communicated with.

When the present embodiment 3, the position being formed in the introducing port of the left and right of slider body 91 is with mutual asymmetrical position relationship configuration.And then, first and second pull head 90a, 90b be with engagement mouth institute subtend each other towards inserted through to chain tooth row 62.

The detachable inlay 100 of the present embodiment 3 comprises: latch 101, is configured in the rearward end of left side zip fastener 60a, and set integration on zipper cloth belt 61; And cylinder pin 102, be configured in the rearward end of right side zip fastener 60b, and set integration on zipper cloth belt 61.These latches 101 and cylinder pin 102 use the thermoplastic resins such as polyamide, polyacetals, polypropylene, polybutylene terephthalate (PBT) and form.

The latch 101 of the present embodiment 3 has the form of roughly corner post shape, and comprises: bolt body 101a, is arranged on the chain tooth row 62 of left side zip fastener 60a continuously; Extension 101c, stretches out towards cylinder pin 102 side in the base end part side (chain tooth row 62 side) of bolt body 101a on strap width; And sprocket buckling parts 101b, be formed in the leading section of extension 101c, and when making the chain tooth row 62 of left and right engage, fasten with the zipper sprocket 63 being configured in last side (cylinder pin 102 side) of the chain tooth row 62 on right side.

The strap side edge part comprising core rope portion 61a of zipper cloth belt 61 is embedded in inside by the bolt body 101a of this latch 101, and is more rearward formed highlightedly than the end edge of zipper cloth belt 61.In addition, the side inside the strap of bolt body 101a is formed point-blank along strap length direction.Cylinder pin subtend side in the rearward end of bolt body 101a, with being spaced from each other specific interval towards the zipper cloth belt 61 in latch 101 recessed 3 concave part 101h.In this case, each concave part 101h is just carrying on the back direction throughout the entirety of just carrying on the back direction of latch 101 along strap to be formed continuously with fixing cross sectional shape, and at upper surface (surface) side of latch 101 and lower surface (back side) side opening.

Latch 101 in this present embodiment 3 by being used in the injection molding mould of projecting for the smooth die cavity face of the cylinder pin subtend end face forming in the rearward end of bolt body 101a 3 strap position limitation teats, and can easily be formed in left side zip fastener 60a under the state utilizing strap position limitation teat to limit the position of zipper cloth belt 61.

Thus, the cylinder pin subtend side of the latch 101 of the present embodiment 3 of injection molding in the rearward end of bolt body 101a forms 3 concave part 101h as above, and in the same manner as the situation of described embodiment 1 and embodiment 2, a part for zipper cloth belt 61 can be made to show out from the cylinder pin subtend of latch 101 or the unfavorable condition protruded is difficult to produce.

The cylinder pin 102 of the present embodiment 3 comprises: cylinder pin main body 102a, is arranged on the chain tooth row 62 of right side zip fastener 60b continuously, and buries the strap side edge part comprising core rope portion 61a of zipper cloth belt 61 underground; Stop section 102b, is configured in the rearward end of cylinder pin main body 102a, and outstanding towards the direction contrary in the side of latch 101 with subtend; And rake 102c, be configured in the latch subtend side in the leading section of cylinder pin main body 102a, and tilt in the mode making the width dimensions of cylinder pin main body 102a successively decrease toward the front.

Secondly, about the slide fastener 3 with detachable inlay 100 with the present embodiment 3 formed as above, to the state be separated from left side and right side zip fastener 60a, 60b, the chain tooth row 62 of left and right is engaged and operation when slide fastener 3 locking is described.

First, first and second pull head 90a, 90b are slided along the chain tooth row 62 being formed in right side zip fastener 60b towards opening tail pipe 83, and as shown in figure 15, make the introducing port side end of the flange part in the second pull head 90b be connected to the stop section 102b of cylinder pin 102, and make the engagement mouth side end of the first pull head 90a be connected to the engagement mouth side end of the second pull head 90b.Thus, first and second pull head 90a, 90b is kept in the position that the slip of rear end side is limited respectively.

Then, the latch 101 being configured in left side zip fastener 60a is inserted into sprocket from the left side introducing port of the first pull head 90a to be guided in road, and then, as shown in figure 15, this latch 101 is inserted till the extension 101c of latch 101 closely meets or be connected to the rake 102c of cylinder pin 102.Thus, latch 101 is set as the state of the engagement of Absorbable organic halogens ground begin chain tooth row 62 relative to cylinder pin 102.

Then, can slide towards the front as sprocket engagement direction by making the first pull head 90a, and the chain tooth row 62 of left and right is in turn engaged from rear end side, thus make slide fastener 3 easily locking.And then, then can slide toward the front along the chain tooth row 62 engaged by making the second pull head 90b of the stop section 102b being connected to cylinder pin 102, and slide fastener 3 is in turn pulled open from rearward end side.

On the other hand, comprise in the slide fastener 3 of detachable inlay 100 at the present embodiment 3, when the state engaged from the chain tooth row 62 of left and right makes zip fastener 60a, the 60b on left side and right side be separated from each other, first, first pull head 90a is slided along chain tooth row 62 towards the second pull head 90b, by the engagement releasing of the chain tooth row 62 of left and right, and then, make the engagement mouth side end of the first pull head 90a be connected to the engagement mouth side end (with reference to Figure 15) of the second pull head 90b.Then, make latch 101 move to front side in the mode of pull-out, thus, latch 101 can be guided in road from the sprocket of first and second pull head 90a, 90b and extract.Thereby, it is possible to make zip fastener 60a, the 60b on left side and right side easily be separated.

The slide fastener 3 comprising the detachable inlay 100 of two open form of above the present embodiment 3 can make a part for zipper cloth belt 61 show out from the cylinder pin subtend of latch 101 as described above or the unfavorable condition such as protrusion is difficult to produce, so become exterior quality excellence, and the intensity of latch 101 and excellent in te pins of durability, and then the slide fastener 3 of the also good high-quality of the operability of detachable inlay 100.

[symbol description]

1,2,3 slide fasteners

Zip fastener (the first zip fastener) on the left of 10a

Zip fastener (the second zip fastener on the right side of 10b

11 zipper cloth belts

11a strap main part

11b strap kink

11c sprocket installation portion

12 chain tooth rows

13 zipper sprockets

13a engageable head

14 core ropes

20 pull heads

21 slider body

21a lower wing plate

21b flange part

21c guide post

22 stop corpus unguis

23 pulling-on pieces

30 detachable inlays

31 latches

31a bolt body

31b sprocket buckling parts

31c plug portion

31d button unloads portion

31e sidewall portion

31f notch

31g depressed part

31h concave part

32 cylinder pins

32a depressed part

32b concave part

32c order difference part

33 open tail pipe

33a right-hand part

33b left side

33c latch resettlement section

33d notch portion

33e is unloaded portion by button

The horizontal frame portion of 33f

33g indulges frame portion

Rib on the left of in the of 34

Rib on the right side of in the of 35

41 first moulds (fixed die)

42 die cavity spaces

43 runners

44 cast gates

45 die cavity faces

46 strap position limitation teats

47 straps push down portion

51 first moulds (fixed die)

52 die cavity spaces

53 runners

54 cast gates

55 die cavity faces

56 strap position limitation teats

57 straps push down portion

Zip fastener on the left of 60a

Zip fastener on the right side of 60b

61 zipper cloth belts

61a core rope portion

62 chain tooth rows

63 zipper sprockets

65 backstops

70 pull heads

71 slider body

71a pulling-on piece erection column

73 pulling-on pieces

80 detachable inlays

81 latches

81b sprocket buckling parts

81h concave part

82 cylinder pins

83 open tail pipe

83a right-hand part

83b left side

83c latch resettlement section

90a first pull head

90b second pull head

91 slider body

100 detachable inlays

101 latches

101a bolt body

101b sprocket buckling parts

101c extension

101h concave part

102 cylinder pins

102a cylinder pin main body

102b stop section

102c rake

Claims

1. the slide fastener with detachable inlay (30,80,100) (1,2,3), is characterized in that comprising:

A pair first and second zip fastener (10a, 10b, 60a, 60b), forms chain tooth row (12,62) at the strap side edge part that the zipper cloth belt (11,61) of left and right is relative; Latch (31,81,101), anchors at an end of described first zip fastener (10a, 60a), and is arranged on described chain tooth row (12,62) continuously; Cylinder pin (32,82,102), anchors at an end of described second zip fastener (10b, 60b), and is arranged on described chain tooth row (12,62) continuously; And at least one pull head (20,70,90a, 90b), make described chain tooth row (12, the 62) engagement of left and right, be separated; And

Described latch (31,81,101) with the side end face of described cylinder pin (32,82,102) subtend and described cylinder pin (32,82,102) with at least one of the side end face of described latch (31,81,101) subtend, along strap just carrying on the back direction recessed at least one concave part (31h, 32b, 81h, 101h), and

Described concave part (31h, 32b, 81h, 101h) just carries on the back in described latch (31,81,101) or described cylinder pin (32,82,102) first surface or second surface split shed that direction is exposed, and the height and position corresponding with strap position just carried on the back on direction of the extended described zipper cloth belt (11,61) to being embedded in described latch (31,81,101) or described cylinder pin (32,82,102) at least continuously.

2. the slide fastener with detachable inlay according to claim 1, wherein

Described zipper cloth belt (11) comprises: strap main part (11a); Strap kink (11b), extended towards strap width from a lateral margin of described strap main part (11a), and bend along strap length direction U-shaped; And sprocket installation portion (11c), extended further towards strap width from described strap kink (11b), and described chain tooth row (12,62) is installed; And

The engageable head (13a) forming the zipper sprocket (13) of described chain tooth row (12,62) projects in the lateral direction outside strap from the described strap kink (11b) of described zipper cloth belt (11,61) to form.

3. the slide fastener with detachable inlay according to claim 1 and 2, wherein said concave part (31h, 32b, 81h) be the strap length direction be configured in buried underground described zipper cloth belt (11,61) strap ora terminalis near form.

4. the slide fastener with detachable inlay any one of claims 1 to 3, wherein

Described first surface in the described latch (31) or described cylinder pin (32) of recessed described concave part (31h, 32b) or described second surface recessed depressed part (31g, 32a), and

The bottom of described depressed part (31g, 32a) comprises the cloth zone face with the described first surface of described concave part (31h, 32b) the institute opening in described latch (31) or described cylinder pin (32) or the immediate described zipper cloth belt (11) of described second surface, and

Described concave part (31h, 32b) configures in the mode arranged on the strap width of described zipper cloth belt (11) relative to described depressed part (31g, 32a) to form.

5. an injection molding mould, it is characterized in that: be the injection molding for the described latch (31,81,101) or cylinder pin (32,82,102) forming the slide fastener with detachable inlay (30,80,100) according to any one of claim 1 to 4 (1,2,3), and carry out described injection molding being clamped in by described zipper cloth belt (11,61) under the state between the first mould (41,51) and the second mould, and

At least one of described first mould (41,51) and described second mould has strap position limitation teat (46,56), this strap position limitation teat (46,56) gives prominence to towards die cavity space (42,52) from the smooth die cavity face (45,55) of the latch subtend end face forming by the cylinder pin subtend end face of described latch (31,81,101) or described cylinder pin (32,82,102), and connect with the strap lateral margin of described zipper cloth belt (11,61) and limit the position of this zipper cloth belt (11,61).