CN105307533B

CN105307533B - Slide fastener and injection molding mold with detachable inlay

Info

Publication number: CN105307533B
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: 2018-06-26
Anticipated expiration: 2033-05-29
Also published as: TW201505577A; CN105307533A; TWI526171B; WO2014192106A1

Abstract

The present invention relates to a kind of slide fasteners and injection molding mold with detachable inlay.The slide fastener (1,2,3) with detachable inlay (30,80,100) of the present invention includes bolt (31,81,101) and cylinder pin (32,82,102), and at least one of the cylinder pin opposite direction side of bolt (31,81,101) and the bolt opposite direction side of cylinder pin (32,82,102), just carried on the back along strap direction it is recessed at least one concave part (31h, 81h, 101h).Concave part (31h, 81h, 101h) is open on the front or the back side of bolt (31,81,101) or cylinder pin (32,82,102), and is continuously extended to the height and position corresponding with strap position in bolt (31,81,101) or cylinder pin (32,82,102).According to this slide fastener (1,2,3), it can be difficult to generate zipper cloth belt (11,61) and show out or protrude from the bolt oncoming lane of the cylinder pin opposite direction side of bolt (31,81,101) or cylinder pin (32,82,102).

Description

Slide fastener and injection molding mold with detachable inlay

Technical field

The present invention relates to a kind of slide fastener with detachable inlay including plastic bolt and cylinder pin, with And for bolt or the injection molding mold of the injection molding of cylinder pin.

Background technology

The slide fastener of general type generally comprises：A pair of of zip fastener, in the opposite strap side of pair of right and left zipper cloth belt Edge forms chain tooth row along strap length direction；And pull head, the chain tooth row controlled can be slidably mounted on.In addition, with Include in the pull head of the slide fastener of general type：Slider body, in the upper bottom wing that introducing port side end is linked with by guide post Include the sprocket guiding road of substantially Y-shaped shape between plate；And pulling-on piece, it can be maintained to turn upper flange of the configuration in slider body Pulling-on piece mounting post.

The slide fastener of this general type is to engage the chain tooth row of left and right by slide pull head, in addition, releasing chain Slide fastener can be closed or pulled open by the engagement of tooth row as a result,.

In addition, the slide fastener of general type exists for the sliding scale for providing pull head, and prevent pull head from being got rid of from sprocket It falls, and the both ends of the strap length direction in the zip fastener of left and right, by stopper section, (sometimes referred to as upper stopper section is stopped down Stopper) it is continuously disposed in the situation of chain tooth row.

In addition, in the engagement of the complete chain tooth row for releasing left and right, there is also in order to making the zip fastener of left and right point From, and the situation of the detachable inlay of end set in zip fastener.The detachable inlay generally includes：Bolt, Configuration is continuously disposed in chain tooth row in the end of a zip fastener；Cylinder pin is configured in the end of another zip fastener, and even It is continuous to be arranged on chain tooth row；And tail pipe is opened, it is stretched out from the end of cylinder pin, and with the bolt receiving portion that can be plugged for bolt.

By being configured detachable inlay in slide fastener, and for example by the engagement releasing of the chain tooth row entirety of left and right In the state of, bolt is extracted from the bolt receiving portion for opening tail pipe, and then is taken out via the sprocket guiding road of pull head, as a result, Can be completely separated the zip fastener of left and right.On the other hand, from the state of the zip fastener separation of left and right, via pull head Bolt is inserted into out in the bolt receiving portion of tail pipe, and the slide fastener chain that will be controlled via detachable inlay by sprocket guiding road After band connection, making pull head, thereby, it is possible to nibble the chain tooth row of left and right from the separate square upward sliding of detachable inlay It closes, slide fastener is closed.

On the other hand, as one kind of slide fastener, it is known in the chain tooth row engagement for making left and right, zipper cloth belt can be passed through And the CONCEAL ZIPPER for hiding chain tooth row.The CONCEAL ZIPPER includes the zip fastener and pull head of left and right, in addition, each zip fastener It is that the strap side edge part of zipper cloth belt is bent into section U-shaped, and in the cloth band part (sprocket mounting portion) of the inflection in U-shaped manner Outer surface form chain tooth row along strap length direction.

Slider body for the pull head of CONCEAL ZIPPER includes：Lower wing plate；The flange part of the left and right of section L-shaped, under The left and right lateral margin of wing plate is erect, and substantially at right angles in direction bending close to each other；Guide post, from the introducing port in lower wing plate The width direction central portion of side end is erect；The guide portion of left and right, the flange part of upper end towards the left and right of bootstrap column stretch out； And pulling-on piece mounting portion, it is arranged on the upper end of guide post.In addition, in the slider body, pass through lower wing plate, guide post, the L words controlled Shape flange part and left and right guide portion and formed substantially Y shape sprocket guiding road.

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

As shown in figure 16, the detachable inlay 120 such as described in patent document 1 includes：Bolt 121, is configured The end of one zip fastener (the first zip fastener) 131a；Cylinder pin 122 is configured at another zip fastener (the second zip fastener) The end of 131b；And tail pipe 123 is opened, it is integrally formed in the end of cylinder pin 122；And these bolts 121, cylinder pin 122 and open tail pipe 123 are formed using thermoplastic resin.

In addition, in the following description, so-called front-rear direction refers to the length direction of zip fastener 131a, 131b, and be with The identical direction of glide direction that pull head is slided.In particular, slide pull head in a manner of being engaged by the chain tooth row 132 for making left and right Dynamic direction is set as front, and the direction for sliding pull head in a manner of making the engagement releasing of chain tooth row 132 is set as rear.

So-called left and right directions refers to the width direction of a pair of of zip fastener 131a, 131b, and is the cloth with zipper cloth belt 133 Parallel and orthogonal with the strap length direction direction of cloth zone face with main part.In addition, so-called upper and lower directions refers to and zipper cloth The orthogonal direction of cloth zone face with 133 strap main part, in particular, the pulling-on piece that pull head will be configured relative to zipper cloth belt 133 Side be set as top, and by the direction of its opposite side be set as lower section.

The bolt 121 of patent document 1 is to be continuously disposed in chain tooth row 132, and from the cloth strip length in zipper cloth belt 133 The ora terminalis (end edge) in direction is protrusively provided.In addition, bolt 121 be simulate zipper cloth belt 133 substantially U-shaped strap it is curved Folding part and cross section is configured to substantially U-shaped, and anchor at the rear end of zipper cloth belt 133.

In addition, bolt 121 includes：Bolt body 121a is configured in 132 side of chain tooth row, and anchors at zipper cloth belt 133； Plug portion 121b, rearward stretches out in a manner of along chain tooth row 132 from bolt body 121a, and split tail pipe 123 is following Bolt receiving portion 123a is plugged；Button unloads portion 121c, is from bolt body 121a in the strap main part side of zipper cloth belt 133 Rearward stretch out, and split tail pipe 123 it is following by button unload portion 123d carry out button unload；And side of sidewall portion (not shown), it will plug Portion 121b and button unload the opposite lateral margin of the bolt 121 side connection of portion 121c.In addition, it is set in the bolt 121 from bolt body 121a extends and anchors at the rib 125 of the horizontal clathrate of zipper cloth belt 133 in strap main part side.

It the plug portion 121b of bolt 121 and buckles the portion 121c of unloading and is respectively provided with from bolt body 121a sides towards top end part, to The form of corner post shape that the strap main part side of zipper cloth belt 133 is slightly slanted connects in addition, the cross section of plug portion 121b is presented The shape of subquadrate, button unload portion 121c cross section present it is flat rectangular-shaped.And then the top end part that portion 121c is unloaded in button is set Put the inclined plane part that the size of strap thickness direction is made to successively decrease towards top.The side of sidewall portion of bolt 121 is to be configured to be inserted into Into the following notch portion 123c for opening tail pipe 123.

The cylinder pin 122 of patent document 1 is in a manner of being continuously disposed in chain tooth row 132, after anchoring at zipper cloth belt 133 End.In addition, it in cylinder pin 122 and opens tail pipe 123 horizontal stroke that extends to strap main part side and anchor at zipper cloth belt 133 is set The rib 124 of clathrate.

The tail pipe 123 of opening of patent document 1 is the integrally formed box-like component in the rear end of cylinder pin 122, and comprising：Right half Portion is formed with rearward stretching out from cylinder pin 122；And left side, it is in strap width direction from right side towards 121 side of bolt Upper stretching；And it is formed in the left side for opening tail pipe 123 in front side opening and bolt 121 can be inserted into inside and receive The bolt receiving portion 123a of appearance.

Form bolt receiving portion 123a wall portion in configuration upper surface side upper wall portions 123b and right side with insert Between the side (opposite side) of the opposite side of pin 121, formed to front openings with can be by the side wall of bolt 121 The notch portion 123c for the width dimensions that portion is inserted into.

And then being set in configuration in the upper surface side of the upper wall portions 123b of left side makes the described of bolt 121 buckle the portion of unloading 121c carry out button unload portion 123d is unloaded by button.The portion 123d that unloaded by button for opening tail pipe 123 includes：Horizontal frame portion is left and right directions Extension, and make bolt 121 buckle unload portion 121c top abutting；And vertical frame portion, it is on one side from 121 oncoming lane of bolt of horizontal frame portion End to right side roll oblique one facing towards front extend；And this is opened being unloaded by button when portion 123d is to overlook for tail pipe 123 and is in Existing hook-shaped mode is formed.

According to the CONCEAL ZIPPER of this detachable inlay 120 including patent document 1, due to the plug of bolt 121 Portion 121b unloads portion 121c with button and links via side of sidewall portion throughout whole length direction, so plug portion 121b and button can be promoted Unload the intensity or durability of portion 121c.

And then in the configuration for opening tail pipe 123 in the upper wall portions 123b of left side and the side opposite with bolt 121 of right side Side (opposite side) between, form the notch portion 123c that can be inserted into for the side of sidewall portion of bolt 121, so, via When bolt 121 is inserted into out the bolt receiving portion 123a of tail pipe 123 by the sprocket guiding road of pull head, the bottom wing of pull head can be prevented Plate is sandwiched between the plug portion 121b and buckleing of bolt 121 unloads portion 121c.

In addition, the side of sidewall portion of bolt 121 can be guided to the notch portion 123c for opening tail pipe 123, by the plug of bolt 121 Portion 121b is smoothly inserted into opening the bolt receiving portion 123a of tail pipe 123, and can make bolt 121 buckles that unload portion 121c smooth What ground was fastened on out tail pipe 123 is unloaded portion 123d by button.

On the other hand, the detachable inlay described in patent document 2 is the bolt for not only having the patent document 1 Composition, and set in the cylinder pin opposite direction side of the bolt and be configured the rearmost end in the chain tooth row in the second zip fastener The sprocket buckling parts that the zipper sprocket of side fastens, and the not only composition of the cylinder pin with the patent document 1, but also in the cylinder pin Bolt opposite direction side the receiving portion for the sprocket buckling parts for accommodating bolt is set and is formed.

According to the CONCEAL ZIPPER of this detachable inlay including patent document 2, in the zip fastener point from left and right From state rise, via pull head sprocket guiding road bolt is inserted into out in tail pipe, when CONCEAL ZIPPER is latched, even to Such as bolt be not inserted into the specific position for opening tail pipe in the state of pull head is made to be slided in locking Fang Shangxiang, the sprocket of bolt fastens Portion will not enter between the zipper sprocket of the second zip fastener, so as to prevent pull head towards the movement of locking direction.As a result, can Enough prevent zipper sprocket from generating incorrect engagement between the chain tooth row of left and right, so as to stablize the engagement of chain tooth row, in addition, energy Enough obtain the sliding that pull head is stablized.

Existing technical literature

Patent document

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

Patent document 2：No. 2011/135706 specification of International Publication No.

Invention content

[problems to be solved by the invention]

By the bolt of the detachable inlay of composition of slide fastener or cylinder pin (or cylinder pin and open tail pipe) on zip fastener In the case of injection molding, in general, zipper cloth belt to be clamped in the first mould (stent) and the second mould of injection molding mold Locked mode is carried out between (movable mold), and in a manner that a part for zipper cloth belt is embedded in inside, by bolt or cylinder pin (or cylinder Sell and open tail pipe) forming.

However, bolt or cylinder pin are usually arranged on zipper cloth belt in a manner of being connected with chain tooth row, so if it is for example The situation of the slide fastener of general type is then formed along the strap lateral margin of zipper cloth belt, in addition, the feelings if it is CONCEAL ZIPPER Shape is then formed along the strap bending part of the U-shaped of zipper cloth belt.

However, in bolt or the injection molding of cylinder pin, the position of the position of zipper cloth belt, especially strap lateral margin is being projected It is difficult to stablize in the die cavity space of molding die, so as to exist because formed products difference leads to the feelings of the position unevenness of zipper cloth belt Condition.Therefore, it was to pre-set the strap that the positive back side of the strap of zipper cloth belt is pushed down pushing down portion in the inside of mold in the past, so as to Zipper cloth belt is inhibited just to carry on the back direction in strap in injection molding to shake, stablizes strap position.

However, though the strap portion of pushing down that the positive back side of this strap by zipper cloth belt is pushed down somewhat is inhibiting strap just Carry on the back the shaking of the zipper cloth belt on direction, but the position for the zipper cloth belt being difficult in the width direction for steadily limiting zip fastener It puts.Therefore, following unfavorable condition is generated：If observe the bolt or cylinder pin obtained by injection molding, a part for zipper cloth belt From bolt and the side (cylinder pin opposite direction side) of cylinder pin opposite direction or the side (bolt opposite direction side) with bolt opposite direction of cylinder pin Expose or protrude.

Especially in the case of CONCEAL ZIPPER, zipper cloth belt installation bolt or cylinder pin U-shaped strap bending part with The mode in space that can be inserted through for the flange part of pull head is formed in the interior thereof, there is thickness gauge to a certain degree in just back of the body direction Very little and inflection, is relatively easily moved so being configured to strap bending part in the width direction of zip fastener.Therefore, for In the bolt of CONCEAL ZIPPER or the injection molding of cylinder pin, compared with the slide fastener of general type, it is easy to generate slide fastener as described above A problem that exposing of strap or protrusion.

If a part for zipper cloth belt is so showed from the bolt oncoming lane of the cylinder pin opposite direction side of bolt or cylinder pin Go out or protrude, then not only make the exterior quality (beauty) of slide fastener (especially detachable inlay) reduce, and make bolt or The intensity of cylinder pin declines.Therefore, when in the operation in detachable inlay, when bolt or cylinder pin are stretched or reverse, existing It is easy to generate damaged, the problem of durability of detachable inlay is caused to decline etc in bolt or cylinder pin.

And then if a part for zipper cloth belt is convex from the bolt opposite direction side of the cylinder pin opposite direction side of bolt or cylinder pin Go out, then open at the bolt receiving portion that bolt is inserted into out to tail pipe or certainly when being extracted in the bolt receiving portion of tail pipe, there is also A part for the zipper cloth belt is easily interfered with bolt or cylinder pin, the danger for reducing the operability of detachable inlay.

The present invention be in view of the previous subject and complete, specifics is designed to provide a kind of with separable The slide fastener of formula inlay, should be with slide fastener of detachable inlay inhibit zipper cloth belt from the cylinder pin opposite direction side of bolt or The bolt oncoming lane of cylinder pin is showed out or is protruded, and promotes the exterior quality of detachable inlay, and be not easy to incur bolt or The reduction of the operability of the reduction of the intensity of cylinder pin and detachable inlay, and then, concrete purpose of the invention is to carry The injection molding of the injection molding of bolt or cylinder pin for the slide fastener with detachable inlay described in a kind of formed Mold.

[technical means to solve problem]

In order to reach the purpose, the slide fastener provided by the present invention with detachable inlay is as basic structure Into most important to be characterized in that including：First and second a pair of zip fastener, in the opposite strap side of the zipper cloth belt controlled Edge forms chain tooth row；Bolt, anchors at the one end of first zip fastener, and is continuously disposed in the chain tooth row； Cylinder pin, anchors at the one end of second zip fastener, and is continuously disposed in the chain tooth row；And at least one pull head, make Chain tooth row engagement, the separation of left and right；And the side end face of the bolt and cylinder pin opposite direction and the cylinder pin with At least one of the side end face of the bolt opposite direction, just carried on the back along strap direction it is recessed at least one concave part, it is and described recessed It is open, and at least continuous on the first surface or second surface that groove portion is exposed on the positive back of the body direction of the bolt or the cylinder pin Ground be extended to the positive back of the body direction for the zipper cloth belt being embedded in the bolt or the cylinder pin with strap position Corresponding height and position.

In the slide fastener with detachable inlay of the present invention, preferably described zipper cloth belt includes：Strap main part； Strap bending part is extended from a lateral margin of the strap main part towards strap width direction, and along cloth strip length side To being bent into U-shaped；And sprocket mounting portion, it is further extended towards strap width direction from the strap bending part, and The chain tooth row is installed；And the engageable head for forming the zipper sprocket of the chain tooth row is the strap from the zipper cloth belt Bending part is projected in the lateral direction on the outside of strap.

In addition, in the slide fastener of the present invention, preferably described concave part be disposed in the inbuilt zipper cloth belt Near the strap ora terminalis of strap length direction.

And then the first surface or described preferably in the bolt of recessed the concave part or the cylinder pin Second surface it is recessed recessed portion, and the bottom of the recessed portion include and the concave part in the bolt or the cylinder pin The cloth zone face of the immediate zipper cloth belt of the first surface or the second surface being open, and the concave part is It is configured to arrange in the strap width direction of the zipper cloth belt relative to the recessed portion.

And then according to the present invention, a kind of injection molding mold is provided, it is most important to be characterized in that：It is for forming As described above with the bolt of slide fastener of detachable inlay or the injection molding of cylinder pin, and by the zipper cloth Band carries out the injection molding in the state of being clamped between the first mould and the second mould, and first mould and second mould At least one limits protrusion with strap position, and strap position limitation protrusion is certainly by the cylinder pin oncoming lane of the bolt The flat die cavity of the bolt oncoming lane end face forming of end face or the cylinder pin facing towards die cavity space protrude, and with institute The strap lateral margin for stating zipper cloth belt connects and limits the position of the zipper cloth belt.

[invention effect]

The slide fastener with detachable inlay of the present invention is in the cylinder pin opposite direction side of sidewall portion of bolt and the bolt of cylinder pin At least one of opposite side of sidewall portion is from the cylinder pin opposite direction side end face of bolt or cylinder pin at least one concave part, the concave part Bolt opposite direction side end face it is recessed towards the zipper cloth belt that is embedded in bolt or cylinder pin.

In addition, each concave part is just to carry on the back direction along strap to be formed in bolt or cylinder pin, and in bolt or the cloth of cylinder pin It is open on the first surface or second surface exposed on the positive back of the body direction of band.And then each concave part is just to carry on the back direction in strap, is inserted certainly Pin or the first surface or second surface of cylinder pin are at least being formed continuously to the zipper cloth belt being embedded in bolt or cylinder pin just Carry on the back the height and position corresponding with strap position (cloth region) on direction.In other words, each concave part is in the strap just side of back of the body Upwards, direction is just being carried on the back along strap to be formed continuously to more than the first surface being open with the concave part of bolt or cylinder pin or the The height and position of height and position on the positive back of the body direction of the cloth zone face of the immediate zipper cloth belt in two surfaces.

This concave part passes through in the die cavity face for bolt or the mold of the injection molding of cylinder pin, setting limitation zipper cloth The strap position limitation protrusion of the position of band, and it is formed in bolt or cylinder pin as formed body.By the way that this strap will be used as The concave part of the track of position limitation protrusion is arranged on the cylinder pin opposite direction side of sidewall portion of bolt or the bolt opposite direction side of sidewall portion of cylinder pin, and Bolt or the injection molding of cylinder pin are carried out in a state that zipper cloth belt is pushed down by the strap position limitation protrusion of mold, so, The final part for being not likely to produce zipper cloth belt is opposite from the bolt of the cylinder pin opposite direction side of the bolt through injection molding or cylinder pin Side is exposed or the situation of protrusion, so as to which zipper cloth belt to be steadily embedded in the inside of bolt or cylinder pin.

Therefore, the slide fastener with detachable inlay of the invention can make because the cylinder pin of zipper cloth belt from bolt is opposite It is difficult that the previous various problems such as strength reduction for causing bolt or cylinder pin are showed out or protruded in side or the bolt oncoming lane of cylinder pin To generate, so, it is configured to that exterior quality is excellent, and the intensity and excellent in te pins of durability of bolt or cylinder pin, and then detachable The slide fastener of the also good high-quality of operability of inlay.

The slide fastener with detachable inlay of this present invention is in the case where being configured to following so-called CONCEAL ZIPPER It is further preferred that, that is, zipper cloth belt includes：Strap main part；Strap bending part, from a lateral margin of strap main part towards cloth bandwidth side To being extended, and bent in U-shaped manner along strap length direction；And sprocket mounting portion, from strap bending part towards cloth bandwidth Degree direction is further extended, and installs chain tooth row；And the engageable head for forming the zipper sprocket of chain tooth row is from zipper cloth The strap bending part of band is projected in the lateral direction on the outside of strap.

That is, previous CONCEAL ZIPPER is in terms of its construction, as described above, being easy to generate zipper cloth belt from bolt Cylinder pin opposite direction side or the bolt oncoming lane of cylinder pin a problem that showing out or protruding, but the present invention with detachable Even if the slide fastener of inlay in the case of with the construction as CONCEAL ZIPPER, is not easy to produce zipper cloth belt as described above Exposing or protrusion class the problem of.Therefore, the intensity and excellent in te pins of durability of bolt or cylinder pin, and detachable inlay are obtained The also good CONCEAL ZIPPER of operability.

In addition, in the slide fastener of the present invention, concave part is configured by the strap length direction in inbuilt zipper cloth belt Strap ora terminalis near, be especially configured in by the strap side edge part of the opposite side of inbuilt zipper cloth belt or strap bending part Strap length direction strap ora terminalis near.Since the strap position limitation protrusion being configured in this position by mold is formed Concave part, so can in bolt or the injection molding of cylinder pin, easily inhibit zipper cloth belt movement, therefore, it is possible to Zipper cloth belt is steadily embedded in the inside of bolt or cylinder pin, so as to be effectively prevented the exposing of zipper cloth belt or protrusion.

And then slide fastener of the invention is recessed in recessed the bolt of concave part or the first surface of cylinder pin or second surface Recessed portion, and the bottom of recessed portion includes the first surface being open with the concave part in bolt or cylinder pin or second surface most The cloth zone face of close zipper cloth belt.In addition, bolt or the concave part of cylinder pin are arranged to relative to the recessed portion in zipper cloth It is arranged in the strap width direction of band.

Herein, so-called concave part is configured to arrange in the strap width direction of zipper cloth belt relative to the recessed portion and refer to The forming region for forming the strap length direction of concave part relatively exists for strap width direction comprising (or overlapping) Formed the strap length direction of recessed portion forming region or proximity in the forming region of the recessed portion.

In addition, bolt or the recessed portion of cylinder pin be by for example in order in the injection molding of bolt or cylinder pin on mold will The strap portion of pushing down that zipper cloth belt is pushed down and set is formed, and bolt or cylinder pin first surface or second surface with concavity Or channel-shaped it is recessed.

Therefore, by the way that concave part and recessed portion is set in the relationship as described above in bolt or cylinder pin, and in bolt or cylinder During the injection molding of pin, it can utilize the strap portion of pushing down of mold that zipper cloth belt is inhibited just to be carried on the back on direction in strap and shake, so as to Stablize strap position, while strap position can be utilized to limit the position that protrusion limits the strap lateral margin of zipper cloth belt securely It puts.Therefore, exposing or the protrusion of zipper cloth belt can effectively further be prevented.

Secondly, injection molding provided by the present invention is to carry detachable intercalation as described above for forming with mold The bolt of the slide fastener of part or the injection molding of cylinder pin, and in a state that zipper cloth belt is clamped between the first mould and the second mould Injection molding is carried out, and at least one of the first mould and the second mould limit protrusion with strap position, strap position limitation is prominent Portion be from by the flat die cavity of the cylinder pin opposite direction side end face of bolt or the bolt oncoming lane end face forming of cylinder pin facing towards die cavity Space protrudes, and connects and limit the position of the zipper cloth belt with the strap lateral margin of zipper cloth belt.

Bolt can be carried out to first or second zip fastener or cylinder pin is penetrated by using this injection molding mold Go out forming, and steadily shape bolt or cylinder pin, the bolt or cylinder pin are in the side of sidewall portion shape with cylinder pin or bolt opposite direction Into at least one concave part with specific shape as described above, and it is certainly opposite with cylinder pin or bolt to can inhibit zipper cloth belt Side generate expose or protrusion.Thereby, it is possible to obtain, exterior quality is excellent, and the intensity and durability of bolt or cylinder pin are excellent It is different, and then the slide fastener with detachable inlay of the also good high-quality of operability of detachable inlay.

Description of the drawings

Fig. 1 is the vertical view for the slide fastener with detachable inlay for representing the embodiment of the present invention 1.

Fig. 2 is the enlarged view of the main part for enlargedly representing the detachable inlay of the slide fastener.

Fig. 3 is the stereogram for representing to form the bolt of the detachable inlay.

Fig. 4 is to represent the cylinder pin for forming the detachable inlay and the stereogram for opening tail pipe.

Fig. 5 is the vertical view for the state for representing that first and second zip fastener is separated.

Fig. 6 is the bottom view for the state for representing that first and second zip fastener is separated.

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

Fig. 8 is the major part enlarged cross-sectional view for enlargedly representing in the section of a part for bolt.

Fig. 9 is the sectional view in the section for the injection molding mold for representing bolt.

Figure 10 is the sectional view in the section for the injection molding mold for representing cylinder pin and opening tail pipe.

Figure 11 is the definition graph illustrated from the state after the introducing port insertion bolt of pull head.

Figure 12 is to illustrate to contain the definition graph of the state of bolt in the bolt receiving portion for opening tail pipe.

Figure 13 is the vertical view for the slide fastener with detachable inlay that the embodiment of the present invention 2 is partly represented with section Figure.

Figure 14 is the major part enlarged cross-sectional view for enlargedly representing in the section of the detachable inlay of the slide fastener.

Figure 15 is the vertical view for the slide fastener with detachable inlay that the embodiment of the present invention 3 is partly represented with section Figure.

Figure 16 is the major part stereogram for the major part for representing the previous slide fastener with detachable inlay.

Specific embodiment

Hereinafter, for the preferred embodiments of the present invention, embodiment is enumerated on one side with reference to schema, is carried out in detail on one side Explanation.In addition, it is of the invention not by any restriction of embodiments described below, as long as with substantially the same with the present invention It forms, and plays identical function and effect, then can make various changes.

For example, the slide fastener with detachable inlay illustrated in following embodiment is by being sutured in zipper cloth belt The continuous zipper sprocket of latch closure shape or by the way that thermoplastic resin injection molding and arrangement are set multiple lists on zipper cloth belt Only zipper sprocket, and form each zip fastener.However, in the present invention, zipper sprocket is mounted on the method for zipper cloth belt simultaneously It is not particularly limited, for example, also can be by being simultaneously woven into or being incorporated into the drawing by zipper sprocket with being made into or weaving into zipper cloth belt Chain strap and form each zip fastener.

Embodiment 1

Fig. 1 is the vertical view for the slide fastener with detachable inlay for representing the present embodiment 1, and Fig. 2 is by the slide fastener The enlarged view of the main part that detachable inlay enlargedly represents.In addition, Fig. 3 represents to form the detachable inlay The stereogram of bolt, Fig. 4 are to represent the cylinder pin for forming the detachable inlay and the stereogram for opening tail pipe.And then Fig. 5 and figure 6 be the vertical view and bottom view for the state for representing that first and second zip fastener is separated, especially in figure 6, is omitted slide fastener Sprocket is sewn to the diagram of the suture of zipper cloth belt.

In addition, as described above, in the slide fastener with detachable inlay, so-called front-rear direction refers to zip fastener Length direction, and be the direction identical with the glide direction that pull head is slided.In particular, by so that the chain tooth row of left and right engaged The direction that mode slides pull head is set as front, and the direction for sliding pull head in a manner of making the engagement releasing of chain tooth row is set as Rear.

In addition, so-called left and right directions refers to the width direction of zip fastener, and it is the strap main part with zipper cloth belt Parallel and orthogonal with the strap length direction direction of cloth zone face.It, will especially in the present embodiment 1 and following embodiments 2 and 3 The vertical view of slide fastener with detachable inlay as shown in Figure 1 with the front-rear direction of slide fastener (that is, become diagram The situation that the mode of upper and lower directions represents) under left direction and right direction be set to left and right.And then so-called upper and lower To the direction orthogonal with the cloth zone face of the strap main part of zipper cloth belt is referred to, in particular, drawing will be configured relative to zipper cloth belt The side of the pulling-on piece of head is set as top, and the direction of its opposite side is set as lower section.

The slide fastener 1 including detachable inlay 30 of the present embodiment 1 is to be configured to so-called CONCEAL ZIPPER 1.The stealth is drawn Chain 1 includes：A pair of first and second zip fastener 10a, 10b form chain in the strap side edge part of the zipper cloth belt 11 of left and right Tooth row 12；Pull head 20 can be slidably configured along chain tooth row 12；Backstop (not shown) is the front end side with chain tooth row 12 It is adjacent to configuration, and prevents coming off for pull head 20；And detachable inlay 30, it is adjacent to the rear end side of chain tooth row 12 and matches It puts.

In addition, hereinafter, the first zip fastener 10a is set as left side zip fastener 10a, and the second zip fastener 10b is set It is illustrated for right side zip fastener 10b.In addition, the slide fastener 1 of the present embodiment 1 is discussed further below, in detachable inlay The composition of 30 (especially bolt 31 and cylinder pins 32) has main feature, and left side and right side zip fastener 10a, 10b, pull head 20 and backstop have with for commonly known previous CONCEAL ZIPPER left side and right side zip fastener, pull head and backstop point Not substantially the same composition.

Specifically, each zip fastener 10a, the 10b in the left side and right side in the present embodiment 1 are by using (not shown) Suture is in the continuous multiple zipper sprockets of peripheral surface suture ring buckle-like for returning tab portion of the zipper cloth belt 11 bent in U-shaped manner 13, it forms chain tooth row 12 and forms.

The zipper cloth belt 11 of left and right be the strap side edge part of mutual opposite side along strap length direction, towards cloth bandwidth Degree direction is bent in U-shaped manner.In addition, as shown in Figures 7 and 8, each zipper cloth belt 11 includes respectively：Strap main part 11a, configuration In the exposing surface side of CONCEAL ZIPPER 1；Strap bending part 11b is continuously towards cloth bandwidth from a lateral margin of strap main part 11a Degree direction is extended, and bend in U-shaped manner；And sprocket mounting portion 11c, become from the lateral margin of strap bending part 11b in strap What width direction further extended returns tab portion.

Chain tooth row 12 includes shaping in a manner that the plastic monofilament such as polyamide or polyester is wound into latch closure shape Sequential like multiple zipper sprockets 13.In addition, the chain tooth row 12 in the present embodiment 1 may also comprise plastic monofilament Multiple zipper sprockets of the sequential like shaped to zigzag.

Each zipper sprocket 13 of sequential like includes：Engageable head 13a；Upper and lower foot is set from engageable head 13a extensions It puts；And linking part, it is the lower foot that the end of upper foot or lower foot is attached to adjacent zipper sprocket 13 or upper foot.Separately Outside, each zipper sprocket 13 is that core rope 14 is made to be inserted through up and down between foot, and the strap of engageable head 13a from zipper cloth belt 11 is curved In a state that folding part 11b is protruded towards the outside of strap width direction (left and right directions), pass through the double-stranded chain of suture (not shown) Stitch and be sewn to the outer surface side of the sprocket mounting portion 11c of zipper cloth belt 11.

The pull head 20 of CONCEAL ZIPPER 1 is to be configured to the pull head with auto-stop mechanism.The pull head 20 includes：Pull head master Body 21；Stop corpus unguis 22, can swingingly be assembled in slider body 21；Component of energizing (spring members) (not shown) is to push Stop corpus unguis 22；And pulling-on piece 23.

Slider body 21 includes：Lower wing plate 21a；The flange part 21b of the left and right of section L-shaped is from a left side of lower wing plate 21a Margo dexter is erect, and is bent to approximate right angle on direction close to each other；Guide post 21c, setting are arranged in lower wing plate 21a Introducing port side end width direction central portion；And the guide portion of left and right, it is the convex of the periphery direction of bootstrap column 21c or so Edge 21b stretches out.It is assembled in the guide post 21c of the slider body 21 and stops corpus unguis 22 and component of energizing, in addition, stopping pawl Body 22 remains pulling-on piece.

In the slider body 21, pass through lower wing plate 21a, guide post 21c, the L-shaped flange part 21b of left and right and left and right Guide portion and the sprocket guiding road for forming substantially Y shape, and the sprocket guiding road left and right sides that will be formed in guide post 21c Introducing port be configured introducing port opposite side engage mouth connection.

The detachable inlay 30 as features in the slide fastener 1 of the present embodiment 1 includes：Bolt 31, anchors at a left side The rear end of side zip fastener (the first zip fastener) 10a；Cylinder pin 32 anchors at right side zip fastener (the second zip fastener) The rear end of 10b；And tail pipe 33 is opened, it is integrally formed in the rear end of cylinder pin 32.These bolts 31, cylinder pin 32 and open tail pipe 33 It is to be formed using thermoplastic resins such as polyamide, polyacetals, polypropylene, polybutylene terephthalate (PBT)s.

The bolt 31 of the present embodiment 1 is anchored in a manner of being continuously disposed in the chain tooth row 12 of left side zip fastener 10a The rear end of zipper cloth belt 11, and a part is made to be protrusively provided from the end edge of zipper cloth belt 11.In addition, bolt 31 is solid It in the periphery surface side of zipper cloth belt 11 and a part for inner peripheral surface side, and a part for the rear end of zipper cloth belt 11 is inserted into (embedded) is in bolt 31.

The bolt 31 includes：Bolt body 31a is configured in 12 side of chain tooth row, and anchors at zipper cloth belt 11；Sprocket fastens Portion 31b is arranged on the side end face (hereinafter referred to as cylinder pin opposite direction side) opposite with cylinder pin 32 of bolt body 31a；Plug portion 31c extend out to rear, and the following bolts for opening tail pipe 33 are accommodated from bolt body 31a in a manner of along chain tooth row 12 Portion 33c can be plugged；Button unloads portion 31d, is configured in (the strap main part of zipper cloth belt 11 more against the top than plug portion 31c 11a) side, and it extend out to rear from bolt body 31a；And side of sidewall portion 31e, plug portion 31c and button are unloaded into the cylinder pin of portion 31d Opposite lateral margin side connection.

In addition, the left side for the horizontal clathrate that strap main part 11a sides are extended to from bolt body 31a is set in bolt 31 Rib 34, and the left side rib 34 anchors at strap main body in a manner of the strap main part 11a for clamping zipper cloth belt 11 The periphery surface side of portion 11a and inner peripheral surface side.Because setting the left side rib 34, and by the rear end of zipper cloth belt 11 suitably Protection gets a promotion so as to the durability of zipper cloth belt 11.

Bolt body 31a is the strap bending part 11b for the substantially U-shaped for simulating zipper cloth belt 11, becomes big with cross section The mode of U-shaped or substantially J shape is caused to be formed.In bolt body 31a, it is formed in the sprocket mounting portion 11c of zipper cloth belt 11 The part of the peripheral surface of side makes chain tooth row 12 be connected with the plug portion 31c of bolt 31, and (just carries on the back direction with specific thicknesses size Size), so that part of it can be embedded in open following bolt receiving portion 33c of tail pipe 33.And then in bolt body 31a Rear end set can for open tail pipe 33 it is following by button unload portion 33e a part be inserted into notch 31f.

In the upper surface side of bolt body 31a, concavity or the recessed portion 31g of channel-shaped are set.As described below, the recessed portion 31g is carried out by being pushed down when portion 47 pushes down zipper cloth belt 11 when the strap for the injection molding mold for being arranged on bolt 31 The injection molding of bolt 31 and push down track portion as strap and formed.In this case, recessed portion 31g is in bolt body 31a Upper surface open, it is and recessed to the position of the belt surface of zipper cloth belt 11 being embedded in bolt 31, and recessed portion 31g Bottom include the cloth zone face of the immediate zipper cloth belt in the upper surface of bolt body 31a that is open with concave part 31h.

And then in the cylinder pin opposite direction side of bolt body 31a, towards the zipper cloth belt 11 being embedded in bolt 31 (especially Strap bending part 11b) recessed 2 concave part 31h.In addition, in the present invention, the cylinder pin for being formed in bolt body 31a is opposite The number of the concave part 31h of side is simultaneously not particularly limited, and can be formed according to the size of bolt 31 or design etc. with any number Concave part 31h.

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

Specifically, the concave part 31h of the present embodiment 1 is just to carry on the back direction along strap, from the upper surface of bolt body 31a Height and position, more than the height and position of the cloth zone face of zipper cloth belt 11 immediate with the upper surface of bolt body 31a, continuously Ground is formed to the height and position of the sprocket mounting portion 11c of zipper cloth belt 11.

That is, the concave part 31h of the present embodiment 1 is as in detailed below descriptively in the injection molding mould of bolt 31 The die cavity face for shaping cylinder pin opposite direction side in tool sets the strap position for the position for limiting zipper cloth belt 11 with specific length Limitation protrusion 46 is put, in the injection molding of bolt 31, strap position limitation protrusion 46 steadily pushes down zipper cloth belt 11, Finally direction is just being carried on the back in strap as described above to be formed with specific dimensions.

The groove on direction with specific dimensions is just being carried on the back because being so formed in strap in the cylinder pin opposite direction side of bolt 31 Portion 31h so as described below, can finally be such that a part for zipper cloth belt 11 is showed out from the cylinder pin oncoming lane of bolt 31 or convex The unfavorable condition gone out is difficult to generate.

In this case, be formed in the concave part 31h of bolt 31 and preferably have from the cylinder pin opposite direction side of bolt 31 until Groove depth until position corresponding with the surface (peripheral surface) of the strap bending part 11b of zipper cloth belt 11.

In addition, the strap that the concave part 31h that rear side is formed in 2 concave part 31h is disposed on zipper cloth belt 11 is curved Near strap end edge in the 11b of folding part.And then the concave part 31h of the rear side is with the cloth strip length side of concave part 31h A part for upward forming region relatively overlaps the strap of (or included in) recessed portion 31g in strap width direction The mode of the forming region of length direction is configured in a row relative to recessed portion 31g in the strap width direction of zipper cloth belt 11.

In addition, in the present invention, the concave part 31h of rear side is the formation on the strap length direction of concave part 31h The part in region also can be relatively not Chong Die with the forming region on the strap length direction of recessed portion 31g, and and recessed portion The front side proximity of forming region on the strap length direction of 31g it is configured.

Sprocket buckling parts 31b in the bolt 31 of the present embodiment 1 is disposed on the cylinder pin opposite direction side in bolt body 31a 12 side of chain tooth row and bolt body 31a downside (back side).In addition, sprocket buckling parts 31b is the cylinder from bolt body 31a Pin oncoming lane faces to be protruded, and the full-size on the front-rear direction of sprocket buckling parts 31b is set as zipper sprocket obliquely upward The 2 times or more in the gap between 13.This sprocket buckling parts 31b is when the chain tooth row 12 for making left and right engages, and is fastened on configuration and exists The zipper sprocket 13 of the last end side (32 side of cylinder pin) of the chain tooth row 12 on right side.

Plug portion 31c of the configuration of bolt 31 in the present embodiment 1 in lower face side is unloaded with being configured in buckleing for upper surface side Portion 31d is with being spaced from each other specific interval from bolt body 31a sides towards rear end, to the strap main part of zipper cloth belt 11 11a sides are configured with being slightly slanted.In this case, the interval that plug portion 31c and button are unloaded between portion 31d is formed in be set to out The size that following upper wall portions of tail pipe 33 can enter.In addition, the cross section of plug portion 31c is presented close to square shape, And button unload portion 31d cross section present it is flat rectangular-shaped.

This side of sidewall portion 31e that plug portion 31c is unloaded to 31d connections in portion with button unloads portion 31d throughout plug portion 31c and button Cylinder pin opposite direction lateral margin is integrally formed.In addition, the cylinder pin opposite direction side of side of sidewall portion 31e is and the cylinder pin of plug portion 31c opposite direction The cylinder pin opposite direction side that side and button unload portion 31d is formed in the same face.And then size (the width of the left and right directions of side of sidewall portion 31e Size) it is set to can ensure that required intensity, and be inserted into specific big to the following notch portion 33d for opening tail pipe 33 It is small.

Moreover, the bolt 31 and left side rib 34 of the present embodiment 1 as described above can be used comprising shown in Fig. 9 the The injection molding mold of one mold (stent) 41 and the second mold (not shown) (movable mold) and shape.The injection into The inside of shape mold sets the die cavity space 42 for the shape for corresponding to bolt 31 and left side rib 34, as molten Thermoplastic resin (molten resin) access runner 43 and molten resin is made to flow into die cavity space 42 from runner 43 Cast gate 44.

In this case, it in the first mold 41, sets the flat of the cylinder pin oncoming lane end face forming of bolt 31 certainly Die cavity face 45 limits protrusion 46, and set and pressed from both sides in zipper cloth belt 11 towards 2 strap positions that die cavity space 42 protrudes The strap that the strap peripheral surface of the zipper cloth belt 11 is pushed down is pushed down into portion 47 when holding between the first mold 41 and the second mold.

This injection molding mold for including the first mold 41 and the second mold is being used, bolt 31 is being carried out and left side adds In the case of the injection molding in strong portion 34, first, between the first mold 41 and the second mold on the left of configuration zip fastener 10a into Row locked mode.The zipper cloth belt 11 of left side zip fastener 10a is clamped between the first mold 41 and the second mold as a result,.

In addition, at this point, due to strap being set to push down portion 47 as described above in the first mold 41, so the cloth can be passed through Band pushes down portion 47 and pushes down the peripheral surface of zipper cloth belt 11, so as to inhibit in injection molding zipper cloth belt 11 in die cavity space It is shaken in 42.In addition, due to setting 2 strap position limitation protrusions 46 as described above in the first mold 41, so these Limitation protrusion 46 in strap position can mutually be grounded the position of limitation zipper cloth belt 11 with the strap lateral margin of zipper cloth belt 11, as a result, It as shown in figure 9, can be with the flat die cavity of cylinder pin oncoming lane end face forming by bolt 31 of the zipper cloth belt 11 from mold The state that face 45 separates is kept.

After by the first mold 41 and the second mold locked mode, the die cavity via runner 43 and cast gate 44 to mold can be passed through Molten resin is projected in space 42, and 2 concave part 31h shown in Fig. 3 is recessed in cylinder pin opposite direction side and with specific shape The bolt 31 and left side rib 34 of shape are steadily integrally formed in the rear end of left side zip fastener 10a.

Especially in the present embodiment 1, as noted previously, as strap position is set to limit protrusion 46 in the first mold 41, So injection molding can be carried out in the state of the position of zipper cloth belt 11 to limit limiting protrusion 46 by strap position, by This, an a problem that part for zipper cloth belt 11 can be made to show out or protrude from the cylinder pin oncoming lane of bolt 31 formed thereby It is difficult to generate.

Secondly, the cylinder pin 32 of the present embodiment 1 be in a manner of being continuously disposed in the chain tooth row 12 of right side zip fastener 10b, The rear end of zipper cloth belt 11 is anchored at, and simulates the strap bending part 11b of the substantially U-shaped of zipper cloth belt 11, cross section is in Now substantially U-shaped or substantially J shape.In addition, cylinder pin 32 be anchor at zipper cloth belt 11 periphery surface side and inner peripheral surface side one Part, and a part for the rear end of zipper cloth belt 11 is inserted into (embedded) in cylinder pin 32.

Concavity or the recessed portion 32a of channel-shaped are set, and recessed portion 32a is slotting with being formed in the upper surface side of cylinder pin 32 The recessed portion 31g of pin main body 31a pushes down portion by slide fastener likewise by the strap for the injection molding mold for being arranged on cylinder pin 32 Strap 11 is pushed down, and simultaneously carries out the injection molding of cylinder pin 32, and is formed as strap and is pushed down track portion.

In this case, recessed portion 32a is the upper surface open in cylinder pin 32, and recessed to being embedded in cylinder pin 32 The position of the belt surface of zipper cloth belt 11, and the bottom of recessed portion 32a includes zipper cloth belt.In addition, in the feelings of the present embodiment 1 Under condition, the recessed portion 32a for being formed in cylinder pin 32 and the recessed portion 31g for being formed in bolt body 31a have symmetrical shape.

In addition, in the bolt opposite direction side of cylinder pin 32, towards (the especially strap bending part of zipper cloth belt 11 in cylinder pin 32 11b) recessed a concave part 32b.In addition, in the present invention, the number for being formed in the concave part 32b of cylinder pin 32 can be arbitrarily Change.In addition, in side (12 sides of chain tooth row) on the front of the concave part 32b than cylinder pin 32, set in the sprocket for making left and right The order difference part 32c with the interference of the sprocket buckling parts 31b of bolt 31 is avoided during 12 engagement of row.

The concave part 32b of cylinder pin 32 in the present embodiment 1 is just to carry on the back direction along strap to be formed.In addition, concave part 32b It is the upper surface side opening in cylinder pin 32, and just carries on the back direction in strap, from the height and position of the upper surface of cylinder pin 32 with fixation Cross sectional shape be at least formed continuously to the height position of the cloth region that the zipper cloth belt 11 being inserted in cylinder pin 32 is configured It puts.

Specifically, the concave part 32b of cylinder pin 32 is just to carry on the back direction along strap, from the height position of the upper surface of cylinder pin 32 It puts, is formed more than the height and position of the cloth zone face of zipper cloth belt 11 immediate with the upper surface of cylinder pin 32 to zipper cloth belt 11 Sprocket mounting portion 11c height and position.As a result, in the same manner as the situation for the concave part 31g for being formed in bolt 31, drawing can be made The unfavorable condition that a part for chain strap 11 is showed out or protruded from the bolt oncoming lane of cylinder pin 32 is difficult to generate.

In this case, be formed in the concave part 32b of cylinder pin 32 and preferably have from the bolt opposite direction side of cylinder pin 32 until Groove depth until position corresponding with the surface (peripheral surface) of the strap bending part 11b of zipper cloth belt 11.

In addition, concave part 32b is disposed near the strap end edge in the strap bending part 11b of zipper cloth belt 11.Into And concave part 32b is the part with the forming region of the strap length direction of concave part 32b in strap width direction On, the mode of the forming region of the strap length direction of (or included in) recessed portion 32a is relatively overlapped, relative to recessed portion 32a is set in a row in the strap width direction of zipper cloth belt 11.

In addition, in the present invention, the concave part 32b of cylinder pin 32 is the formation area of the strap length direction of concave part 32b The part in domain can also be arranged as opposed in strap width direction the not forming region with the strap length direction of recessed portion 32a Overlapping and with the position of the front side proximity of the forming region of the strap length direction of recessed portion 32a.

The tail pipe 33 of opening of the present embodiment 1 is the integrally formed box-like component in the rear end of cylinder pin 32, and comprising from cylinder pin 32 rearward stretch out the right side 33a and stretched out in strap width direction from right side 33a towards 31 side of bolt that ground formed Left side 33b, and the left side 33b for opening tail pipe 33 formed front side opening and bolt 31 can be inserted into it is internal into The bolt receiving portion 33c of row receiving.

Configuration in the wall portion for forming bolt receiving portion 33c upper surface side upper wall portions and right side 33a with inserting Between the side (opposite side) of the opposite side of pin 31, formed to have in front-rear direction and be inserted for the side of sidewall portion 31e of bolt 31 The notch portion 33d of width dimensions (that is, width dimensions bigger than the width dimensions of side of sidewall portion 31e) entered.The notch portion 33d be in front openings, in addition, the back-end location of notch portion 33d be set at it is identical with the back-end location of bolt receiving portion 33c Position.

And then in configuration in the upper surface side projection of the upper wall portions of left side 33b makes described buckle of bolt 31 unload portion 31d What button unloaded is unloaded portion 33e by button.The portion 33e that unloaded by button for opening tail pipe 33 includes：The horizontal frame portion 33f of convex, be left and right directions prolong Stretch, and make bolt 31 buckle unload portion 31d top abut；And the vertical frame portion 33g of convex, it is bolt of the one side from horizontal frame portion 33f The end of oncoming lane rolls oblique one to right side 33a and extends facing towards front；And it is formed in a manner that the lower presentation of vertical view is hook-shaped.Separately Outside, the top end part (front end) that the vertical frame portion 33g of portion 33e is unloaded by button is created as the pointed shape to attenuate towards top, and can It is inserted into the notch 31f of bolt body 31a.

In addition, it in cylinder pin 32 and opens tail pipe 33 and sets and extend to strap main part 11a sides and anchor at zipper cloth belt 11 Horizontal clathrate right side rib 35, and the right side rib 35 is to clamp the side of the strap main part 11a of zipper cloth belt 11 Formula anchors at periphery surface side and the inner peripheral surface side of strap main part 11a.Because setting the right side rib 35, and by zipper cloth belt 11 rear end is suitably protected, so as to promote the durability of zipper cloth belt 11.

Moreover, the cylinder pin 32 of the present embodiment 1 as described above, open tail pipe 33 and right side rib 35 can use comprising The injection molding mold of first mold (stent) 51 shown in Fig. 10 and the second mold (not shown) (movable mold) and shape. In the inside of the injection molding mold, the corresponding mould of shape of tail pipe 33 and right side rib 35 is set with cylinder pin 32, opened Cave space 52, as molten thermoplastic resin (molten resin) access runner 53 and make molten resin from runner 53 Flow into the cast gate 54 in die cavity space 52.

In this case, it in the first mold 51, sets the flat of the bolt oncoming lane end face forming of cylinder pin 32 certainly Die cavity face 55 limits protrusion 56, and set and pressed from both sides in zipper cloth belt 11 towards the strap position that die cavity space 52 protrudes When holding between the first mold 51 and the second mold, the strap for pushing down the strap peripheral surface of the zipper cloth belt 11 pushes down portion 57.

Using this injection molding cylinder pin 32, the injection molding for opening tail pipe 33 and right side rib 35 are carried out with mold In the case of, first, zip fastener 10b carries out locked mode on the right side of configuration between the first mold 51 and the second mold.The drawing as a result, The zipper cloth belt 11 of chain chain belt is clamped between the first mold 51 and the second mold.

At this point, in the first mold 51, strap is set to push down portion 57 as described above, so can be pushed down by the strap Portion 57 and the peripheral surface of zipper cloth belt 11 is pushed down, zipper cloth belt 11 shakes during so as to inhibit injection molding.In addition, in the first mould Tool 51 sets strap position to limit protrusion 56 as described above, so strap position limitation protrusion 56 and zipper cloth belt 11 Strap lateral margin connect and limit the position of zipper cloth belt 11, as a result, as shown in Figure 10, can by zipper cloth belt 11 with mold In the bolt oncoming lane end face forming by cylinder pin 32 flat die cavity face 55 separate in the state of keep.

After by the first mold 51 and the second mold locked mode, pass through the die cavity space via runner 53 and cast gate 54 to mold Project molten resins in 52, and as illustrated in fig. 4 by cylinder pin opposite direction side it is recessed concave part 32b and with specific shape Cylinder pin 32 opens tail pipe 33 and right side rib 35 is steadily integrally formed in the rear end of right side zip fastener 10b.

Especially in the present embodiment 1, as described above, strap position is set to limit protrusion 56 in the first mold 51, so Injection molding can be carried out being limited in a state that protrusion 56 limits the position of zipper cloth belt 11 by strap position, by This, it is difficult to the part for generating zipper cloth belt 11 such as shows out or protrudes from the bolt oncoming lane of cylinder pin 32 formed thereby at the bad feelings Condition.

Secondly, about the slide fastener 1 for including detachable inlay 30 with the present embodiment 1 as constructed as above, for certainly The state that left side and right side zip fastener 10a, 10b are separated from each other makes the chain tooth row 12 of left and right engage the situation for being latched slide fastener 1 Under operation illustrate.

First, pull head 20 is made to be slided along the chain tooth row 12 for being formed in right side zip fastener 10b towards tail pipe 33 is opened, by cylinder Pin 32 is inserted into from the engagement mouth of pull head 20 in sprocket guiding road, and abuts the engagement mouth side end (rear end) of pull head 20 Opening tail pipe 33.Pull head 20 is maintained at the position that the slip of rear end side is limited as a result,.

Then, by the way that the bolt 31 being configured in left side zip fastener 10a is led as illustrated in fig. 11 from the left side of pull head 20 Entrance is inserted into sprocket guiding road, and then, which is inserted into, and it is as shown in figure 12, the plug portion 31c of bolt 31 is inserted Enter to opening the bolt receiving portion 33c of tail pipe 33, and make bolt 31 buckle that the portion 31d of unloading is fastened on out tail pipe 33 buckled the portion of unloading 33e.Thereby, it is possible to for cylinder pin 32 and open tail pipe 33, bolt 31 is set as to stably start to the engagement of chain tooth row 12 State.

Then, can be by the way that pull head 20 be made to be slided towards the front for being used as chain tooth engagement direction, and make the chain tooth row of left and right 12 in turn engage from rear end side, so as to be latched easily slide fastener 1.

On the other hand, in the slide fastener 1 including detachable inlay 30 of the present embodiment 1, in the chain tooth row from left and right In the case that the state of 12 engagements makes left side and right side zip fastener 10a, 10b separation, first, make pull head 20 along chain tooth row 12 It is slided towards tail pipe 33 is opened, by the engagement releasing of the chain tooth row 12 of left and right, and then, the rear end of pull head 20 is made to be connected to out tail pipe 33 (with reference to Figure 12).

Then, by the way that bolt 31 is made to be moved to front side in a manner of lifting, and buckleing for bolt 31 is made to unload portion 31d from opening tail Cylinder 33 is unloaded to deviate from portion 33e by button, and the plug portion 31c of bolt 31 is made to be pulled out from the bolt receiving portion 33c for opening tail pipe 33 Go out, and then, the bolt 31 is pulled out via the sprocket guiding road of pull head 20.Thereby, it is possible to easily make left side and right side slide fastener Chain belt 10a, 10b detaches.

The slide fastener 1 including detachable inlay 30 of above the present embodiment 1 is can to make zipper cloth belt as described above A problem that 11 part is showed out or protruded from the bolt oncoming lane of the cylinder pin opposite direction side of bolt 31 or cylinder pin 32 is difficult To generate, so as exterior quality is excellent and the intensity and excellent in te pins of durability of bolt 31 or cylinder pin 32 and then detachable embedding The slide fastener of the also good high-quality of operability of plug-in unit 30.

Embodiment 2

Figure 13 is the vertical view for the slide fastener with detachable inlay that the present embodiment 2 is partly represented with section, figure 14 be the major part enlarged cross-sectional view for enlargedly representing in the section of the detachable inlay of the slide fastener.

The slide fastener 2 including detachable inlay 80 of the present embodiment 2 is the slide fastener 2 for being configured to general type.The slide fastener 2 Comprising：A pair of of left side and right side zip fastener 60a, 60b form chain tooth row in the strap side edge part of the zipper cloth belt 61 of left and right 62；Pull head 70 can be slidably configured along chain tooth row 62；Backstop 65 is to be adjacent to configuration with the front end side of chain tooth row 62, And prevent coming off for pull head 70；And detachable inlay 80, it is to be adjacent to configuration with the rear end side of chain tooth row 62.

Left side and right side zip fastener 60a, 60b in the present embodiment 2 are the strap side edge parts in zipper cloth belt 61 with spy Surely it is alternatively arranged and plastic multiple independent zipper sprockets 63 is set, so as to form chain tooth row 62.In addition, as being used for The synthetic resin of zipper sprocket 63, such as the thermoplastics such as selection polyamide, polyacetals, polypropylene, polybutylene terephthalate (PBT) Property resin.

In this case, zipper cloth belt 61 is to include strap main part and sprocket mounting portion in strap width direction, in addition, Along the zipper cloth belt 61 of left and right opposite strap lateral margin, core rope portion 61a is set.Each zipper sprocket 63 includes：Main part, Anchor at the sprocket mounting portion for including core rope portion 61a of zipper cloth belt 61；Neck is that main body is set towards extension on the outside of strap It puts, and with the shape collected in front-rear direction；And elliptical engageable head, it is further extended, and preceding from neck Rear direction swells.

The pull head 70 of the present embodiment 2 includes slider body 71 and pulling-on piece 73.In addition, slider body 71 includes：Upper flange and Lower wing plate；Link column, will 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 mounting post 71a erects the upper surface for being arranged on upper flange, and can keep to turn pulling-on piece 73.In addition, being configured in slider body 71 Link the end of the side of column, form introducing port, and engagement mouth is formed in the end of its opposite side to left and right.In pull head master In body 71, formed and the introducing port of left and right is guided into road with the sprocket for the substantially Y shape for engaging mouth connection.

The detachable inlay 80 of the present embodiment 2 includes：Bolt 81 is configured in the rear end of left side zip fastener 60a； Cylinder pin 82 is configured in the rear end of right side zip fastener 60b；And tail pipe 83 is opened, it is integrally formed in the rear end of cylinder pin 82.These Bolt 81, cylinder pin 82 and to open tail pipe 83 be using the thermoplastics such as polyamide, polyacetals, polypropylene, polybutylene terephthalate (PBT) Property resin and form.

The bolt 81 of the present embodiment 2 is the form of substantially corner post shape that there are width dimensions slightly to successively decrease towards rear end, and And the rear end of zipper cloth belt 61 is anchored in a manner of being continuously disposed in the chain tooth row 62 of left side zip fastener 60a.It is inserted at this In pin 81, insertion (embedded) has the strap side edge part for including core rope portion 61a in the rear end of zipper cloth belt 61.

In addition, the front end of the bolt 81 in the present embodiment 2, is set when the chain tooth row 62 for making left and right engages, with the right side The sprocket buckling parts 81b that zipper sprocket 63 of the configuration of the chain tooth row 62 of side in last end side (82 side of cylinder pin) fastens.

And then the cylinder pin opposite direction side in the rear end of bolt 81, towards the zipper cloth belt 61 being inserted into bolt 81 Recessed 2 concave part 81h.In this case, each concave part 81h is that the positive back of the body side that direction spreads bolt 81 is just being carried on the back along strap To be integrally continuously formed with fixed cross sectional shape, and in the upper surface of bolt 81 (surface) side and the lower surface (back of the body Face) mode of side opening penetrates through the positive back of the body direction of bolt 81.

Bolt 81 in this present embodiment 2 can be by using in putting down the cylinder pin oncoming lane end face forming of bolt 81 Smooth die cavity face is provided projectingly the injection molding mold of 2 strap position limitation protrusions, and is limited using strap position Left side zip fastener 60a is easily formed in the state of the position of protrusion limitation zipper cloth belt 61.Injection molding as a result, The bolt 81 of the present embodiment 2 forms 2 as described above with being spaced from each other specific interval in the cylinder pin opposite direction side of bolt 81 Concave part 81h, and in the same manner as the situation of the embodiment 1, a part for zipper cloth belt 61 can be made from the cylinder of bolt 81 The unfavorable condition that pin oncoming lane is showed out or protruded is difficult to generate.

On the other hand, the cylinder pin 82 of the present embodiment 2 has the form of substantially corner post shape, and is drawn with being continuously disposed in right side The mode of the chain tooth row 62 of chain chain belt 60b anchors at the rear end of zipper cloth belt 61.The present embodiment 2 open tail pipe 83 be one into Shape the rear end of cylinder pin 82 box-like component, and comprising：Right side 83a extend out to rear, and anchor at slide fastener from cylinder pin 82 Strap 61；And left side 83b, it is stretched out in strap width direction from right side 83a towards 81 side of bolt.In addition, opening tail pipe 83 left side 83b is formed in front side opening and bolt 81 can be inserted into the internal bolt receiving portion accommodated 83c。

Bolt 81, cylinder pin 82 and 2 energy of slide fastener with detachable inlay 80 for opening tail pipe 83 are included as described above Enough operations identical with the slide fastener of previous general type by progress, and the separated state of the zip fastener of left and right makes a left side certainly Right chain tooth row 62 engages, and slide fastener 2 is latched, in addition, the state that can be also engaged from the chain tooth row 62 of left and right makes the slide fastener of left and right Chain belt detaches.

The slide fastener 2 of the detachable inlay 80 including general type of above the present embodiment 2 is as described above can An a problem that part for zipper cloth belt 61 is enough made to show out or protrude from the cylinder pin oncoming lane of bolt 81, is difficult to generate, so It is excellent as exterior quality, and the intensity and excellent in te pins of durability of bolt 81, and then the operability of detachable inlay 80 The slide fastener 2 of good high-quality.

Embodiment 3

Figure 15 is the vertical view for the slide fastener with detachable inlay that the present embodiment 3 is partly represented with section.

The slide fastener 3 including detachable inlay 100 of the present embodiment 3 is the title for being configured to include 2 pull heads 90a, 90b Slide fastener (slide fastener of otherwise referred to as inverse open form) for double open forms.

The slide fastener 3 of the present embodiment 3 includes：A pair of of left side and right side zip fastener 60a, 60b, the zipper cloth belt 61 in left and right Strap side edge part form chain tooth row 62；A pair of first and second pull head 90a, 90b, can slidably match along chain tooth row 62 It puts；Backstop (not shown) is to be adjacent to configuration with the front end side of chain tooth row 62, and prevents first and second pull head 90a, 90b It comes off；And detachable inlay 100, it is to be adjacent to configuration with the rear end side of chain tooth row 62.

Herein, the first pull head 90a is disposed on just is opening with pull head (sometimes than the second pull head 90b by the so-called of backstop side Referred to as upper pull head), and the second pull head 90b is disposed on and inverse is opened by the so-called of detachable 100 side of inlay than the first pull head 90a With pull head (otherwise referred to as descending pull head).

Left side and right side zip fastener 60a, 60b in the present embodiment 3 are and the left side in the embodiment 2 and right side drawing Chain chain belt 60a, 60b is formed substantially the samely.Therefore, in the slide fastener 3 of the present embodiment 3, about with the embodiment 2 The identical composition of the component of middle explanation, is indicated by using identical symbol and the description thereof will be omitted.

First and second pull head 90a, 90b of the present embodiment 3 include slider body 91 and pulling-on piece (not shown) respectively.Separately Outside, each slider body 91 of first and second pull head 90a, 90b includes：Upper flange and lower wing plate；Link column, it will be between upper lower wing plate Connection；Flange part is arranged on the left and right lateral margin of lower wing plate；And pulling-on piece mounting post, the upper surface for being arranged on upper flange is erect, And turn it can keep pulling-on piece.

In addition, in the end that the side for linking column is configured of slider body 91, introducing port is formed, and at it to left and right The end of opposite side forms engagement mouth, in addition, being formed in slider body 91 by the introducing port of left and right with engaging mouth connection Substantially Y shape sprocket guiding road.

In the case of the present embodiment 3, the position for being formed in the introducing port of the left and right of slider body 91 is with mutually non-right The position relationship configuration of title.And then first and second pull head 90a, 90b be with the opposite direction of mutual engagement mouth be inserted through to Chain tooth row 62.

The detachable inlay 100 of the present embodiment 3 includes：Bolt 101 is configured in the rear end of left side zip fastener 60a Portion, and the fixed integration on zipper cloth belt 61；And cylinder pin 102, it is configured in the rear end of right side zip fastener 60b, and drawing Fixed integration on chain strap 61.These bolts 101 and cylinder pin 102 are using polyamide, polyacetals, polypropylene, gather to benzene two The thermoplastic resins such as formic acid butanediol ester and form.

Form of the bolt 101 of the present embodiment 3 with substantially corner post shape, and comprising：Bolt body 101a, is continuously disposed in The chain tooth row 62 of left side zip fastener 60a；Extension 101c, in the base end part side of bolt body 101a (62 side of chain tooth row) direction 102 side of cylinder pin is stretched out in strap width direction；And sprocket buckling parts 101b, it is formed in the front end of extension 101c, and When engaging the chain tooth row 62 of left and right, configuration with the chain tooth row 62 on right side is in the zipper sprocket of last end side (102 side of cylinder pin) 63 fasten.

The bolt body 101a of the bolt 101 is to bury the strap side edge part comprising core rope portion 61a of zipper cloth belt 61 It is more rearward protrudedly formed in inside, and than the end edge of zipper cloth belt 61.In addition, on the inside of the strap of bolt body 101a Side be linearly to be formed along strap length direction.Cylinder pin opposite direction side in the rear end of bolt body 101a, phase Mutually with separating specific interval towards the zipper cloth belt 61 in bolt 101 it is recessed 3 concave part 101h.In this case, it is each recessed Groove portion 101h is that direction is just being carried on the back along strap throughout the whole with the continuous landform of fixed cross sectional shape of the positive back of the body direction of bolt 101 Into, and in the upper surface of bolt 101 (surface) side and lower surface (back side) side opening.

Bolt 101 in this present embodiment 3 can be by using by the cylinder pin in the rear end of bolt body 101a The flat die cavity face of oncoming lane end face forming is provided projectingly the injection molding mold of 3 strap positions limitation protrusion, and Left side zip fastener 60a is easily formed in the state of position using strap position limitation protrusion limitation zipper cloth belt 61.

Cylinder pin of the bolt 101 of the present embodiment 3 of injection molding in the rear end of bolt body 101a is opposite as a result, Side forms 3 concave part 101h as described above, and in the same manner as the situation of the embodiment 1 and embodiment 2, can The unfavorable condition that a part for zipper cloth belt 61 is showed out or protruded from the cylinder pin oncoming lane of bolt 101 is made to be difficult to generate.

The cylinder pin 102 of the present embodiment 3 includes：Cylinder pin main body 102a is continuously disposed in the chain tooth row of right side zip fastener 60b 62, and the strap side edge part for including core rope portion 61a of embedded zipper cloth belt 61；Stop section 102b is configured in cylinder pin main body The rear end of 102a, and protruded towards the direction opposite in the side of bolt 101 with opposite direction；And rake 102c, it is configured in cylinder pin Bolt opposite direction side in the front end of main body 102a, and so that the width dimensions of cylinder pin main body 102a successively decreased towards front Mode tilts.

Secondly, about the slide fastener 3 with detachable inlay 100 with the present embodiment 3 formed as described above, The chain tooth row 62 for making left and right from the separated state in left side and right side zip fastener 60a, 60b is engaged and is latched slide fastener 3 In the case of operation illustrate.

First, make first and second pull head 90a, 90b along being formed in the chain tooth row 62 of right side zip fastener 60b towards opening Tail pipe 83 slides, and as shown in figure 15, the introducing port side end of the flange part in the second pull head 90b is made to be connected to cylinder pin 102 Stop section 102b, and the engagement mouth side end of the first pull head 90a is made to be connected to the engagement mouth side end of the second pull head 90b.By This, keeps first and second pull head 90a, 90b in the limited position of the slip of rear end side respectively.

Then, the left side introducing port being configured in bolt 101 from the first pull head 90a of left side zip fastener 60a is inserted into In sprocket guiding road, and then, as shown in figure 15, which is inserted into extension 101c proximities or abutting until bolt 101 Until the rake 102c of cylinder pin 102.Bolt 101 is set as a result, to stably start chain tooth row relative to cylinder pin 102 The state of 62 engagement.

Then, can be by the way that the first pull head 90a be made to be slided towards the front for being used as chain tooth engagement direction, and make the chain of left and right Tooth row 62 is in turn engaged from rear end side, so as to which slide fastener 3 be made easily to be latched.It and then then can be by making to be connected to cylinder pin The second pull head 90b of 102 stop section 102b is slided along the chain tooth row 62 engaged towards front, and by slide fastener 3 from rear end Portion in turn pulls open side.

On the other hand, in the slide fastener 3 including detachable inlay 100 of the present embodiment 3, in the chain tooth row from left and right On the left of 62 states engaged make and in the case that zip fastener 60a, the 60b on right side are separated from each other, first, make the 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 first pull head The engagement mouth side end of 90a is connected to the engagement mouth side end of the second pull head 90b (with reference to Figure 15).Then, make bolt 101 to draw The mode gone out is moved to front side, as a result, can pull out bolt 101 from the sprocket guiding road of first and second pull head 90a, 90b Go out.Thereby, it is possible to be easily separated zip fastener 60a, the 60b in left side and right side.

The slide fastener 3 of the detachable inlay 100 for including double open forms of above the present embodiment 3 can make as described above An a problem that part for zipper cloth belt 61 is showed out or protruded from the cylinder pin oncoming lane of bolt 101 is difficult to generate, so into It is excellent for exterior quality, and the intensity and excellent in te pins of durability of bolt 101, and then the operability of detachable inlay 100 The slide fastener 3 of good high-quality.

[symbol description]

1st, 2,3 slide fastener

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 parts

11b strap bending parts

11c sprocket mounting portions

12 chain tooth rows

13 zipper sprockets

13a engageable heads

14 core ropes

20 pull heads

21 slider bodies

21a lower wing plates

21b flange parts

21c guide posts

22 stop corpus unguis

23 pulling-on pieces

30 detachable inlays

31 bolts

31a bolt bodies

31b sprocket buckling parts

31c plugs portion

31d buttons unload portion

31e side of sidewall portion

31f notch

31g recessed portions

31h concave parts

32 cylinder pins

32a recessed portions

32b concave parts

32c order difference parts

33 open tail pipe

33a right sides

33b left sides

33c bolts receiving portion

33d notch portions

33e is detained the portion of unloading

The horizontal frame portions of 33f

33g indulges frame portion

34 left side ribs

35 right side ribs

41 first molds (stent)

42 die cavity spaces

43 runners

44 cast gates

45 die cavity faces

46 strap positions limit protrusion

47 straps push down portion

51 first molds (stent)

52 die cavity spaces

53 runners

54 cast gates

55 die cavity faces

56 strap positions limit protrusion

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 ropes portion

62 chain tooth rows

63 zipper sprockets

65 backstops

70 pull heads

71 slider bodies

71a pulling-on piece mounting posts

73 pulling-on pieces

80 detachable inlays

81 bolts

81b sprocket buckling parts

81h concave parts

82 cylinder pins

83 open tail pipe

83a right sides

83b left sides

83c bolts receiving portion

The first pull heads of 90a

The second pull heads of 90b

91 slider bodies

100 detachable inlays

101 bolts

101a bolt bodies

101b sprocket buckling parts

101c extensions

101h concave parts

102 cylinder pins

102a cylinder pin main bodys

102b stop sections

102c rakes

Claims

1. one kind carries the slide fastener (1,2,3) of detachable inlay (30,80,100), it is characterised in that includes：

First and second a pair of zip fastener (10a, 10b, 60a, 60b), in the opposite cloth of the zipper cloth belt (11,61) controlled Band side edge part forms chain tooth row (12,62)；Bolt (31,81,101) anchors at first zip fastener (10a, 60a) One end, and it is continuously disposed in the chain tooth row (12,62)；Cylinder pin (32,82,102), anchors at second zip fastener The one end of (10b, 60b), and it is continuously disposed in the chain tooth row (12,62)；And at least one pull head (20,70,90a, 90b), make the chain tooth row (12,62) engagement, the separation of left and right；And

The bolt (31,81,101) and the side end face of the cylinder pin (32,82,102) opposite direction and the cylinder pin (32, 82nd, 102) with the side end face of the bolt (31,81,101) opposite direction at least one, just carried on the back along strap direction it is recessed extremely A few concave part (31h, 32b, 81h, 101h),

The concave part (31h, 32b, 81h, 101h) is in the bolt (31,81,101) or the cylinder pin (32,82,102) Positive back of the body direction on the first surface that exposes or second surface split shed, and be at least continuously extended to being embedded in described insert It sells (31,81,101) or the positive of the zipper cloth belt (11,61) in the cylinder pin (32,82,102) carries on the back on direction and strap The corresponding height and position in position, and

The entire concave part (31h, 32b, 81h, 101h) is carried on the back on direction in the positive of the zipper cloth belt (11,61), along The positive back of the body direction of the zipper cloth belt is formed continuously to be open more than the concave part with the bolt or the cylinder pin The first surface or the immediate zipper cloth belt of the second surface cloth zone face positive back of the body direction on height position The height and position put.

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

The zipper cloth belt (11) includes：Strap main part (11a)；Strap bending part (11b), from the strap main part One lateral margin of (11a) is extended towards strap width direction, and is bent in U-shaped manner along strap length direction；And sprocket peace Dress portion (11c) is further extended from the strap bending part (11b) towards strap width direction, and installs the sprocket It arranges (12,62)；And

The engageable head (13a) for forming the zipper sprocket (13) of the chain tooth row (12,62) is from the zipper cloth belt (11,61) The strap bending part (11b) project on the outside of strap and form in the lateral direction.

3. the slide fastener according to claim 1 with detachable inlay, wherein the concave part (31h, 32b, 81h) Be disposed on the strap ora terminalis of strap length direction in the inbuilt zipper cloth belt (11,61) nearby form.

4. the slide fastener according to claim 2 with detachable inlay, wherein the concave part (31h, 32b, 81h) Be disposed on the strap ora terminalis of strap length direction in the inbuilt zipper cloth belt (11,61) nearby form.

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

The first surface in recessed the bolt (31) of the concave part (31h, 32b) or the cylinder pin (32) or The second surface it is recessed recessed portion (31g, 32a), and

The bottom of the recessed portion (31g, 32a) includes and the concave part in the bolt (31) or the cylinder pin (32) The cloth zone face of the immediate zipper cloth belt (11) of the first surface or the second surface that (31h, 32b) is open, And

The concave part (31h, 32b) is with relative to strap of the recessed portion (31g, 32a) in the zipper cloth belt (11) The mode arranged in width direction is configured.

6. a kind of injection molding mold, it is characterised in that：It is according to any one of claim 1 to 5 for forming Slide fastener (1,2,3) with detachable inlay (30,80,100) the bolt (31,81,101) or cylinder pin (32,82, 102) injection molding, and the zipper cloth belt (11,61) is being clamped in state of the first mould (41,51) between the second mould The lower progress injection molding, and

At least one of first mould (41,51) and second mould are with strap position limitation protrusion (46,56), the strap Position limitation protrusion (46,56) be from by the cylinder pin opposite direction side end face of the bolt (31,81,101) or the cylinder pin (32, 82nd, 102) the flat die cavity face (45,55) of bolt oncoming lane end face forming is prominent towards die cavity space (42,52), and with The strap lateral margin of the zipper cloth belt (11,61) connects and limits the position of the zipper cloth belt (11,61).