CN103547181A - Slide fastener with separable stop and metal mold for injection molding - Google Patents

Abstract

In this slide fastener with an separable stop (1), a box body (33) comprises a hollowed out recess (33d) which is drilled from an end face of a protruding side of the box body (33) deeper than a tape edge (11d) of a fastener tape (11), and a tape enclosure (33e) which encloses an edge part (11e) of the fastener tape (11) inside the hollowed out recess (33d). According to the present invention, even when the box body (33) is increased in size, since the actual thickness of the box body (33) is reduced by the hollowed out recess (33d), shrinkage cavities or flow lines can be prevented in the injection molding of the box body (33). In addition, the position of the fastener tape (11) is stabilized in the cavity space during injection molding, preventing the fastener tape (11) from being exposed on the surface of the box body (33). Furthermore, the tape enclosure (33e) secures a bond area of the box body (33) to the fastener tape (11), thereby increasing bond strength of the box body (33).

Description

Slide fastener and die injection moulding with separated inlay

Technical field

The present invention relates to a kind of slide fastener with separated inlay, be particularly related to a kind of slide fastener cob webbing phenomenons such as shrink mark and the separated inlay of band that pedestal is high with respect to the constant intensity of chain band that can not occur on the pedestal that is injected and molded in chain band, wherein, this separation inlay possesses plunger, seat rod and pedestal.In addition, the invention still further relates to and a kind ofly seat rod and pedestal can be taken shape in to the die injection moulding of chain band.

Background technology

Such as being used in predecessor's etc. the slide fastener in the past of clothes, the situation that disposes separated inlay in an end of the fastener stringer of left and right is more.Conventionally, separated inlay comprises: plunger, is fixed on the chain band side edge part of chain band adjacently with the chain denture of side's fastener stringer; Seat rod, is fixed on the chain band side edge part of chain band adjacently with the chain denture of the opposing party's fastener stringer; And pedestal, the end that it is configured present rod is equipped with the plunger patchhole portion that can insert for plunger in pedestal.

By this separated inlay is disposed to slide fastener, for example, the state from slide fastener closure slides into pull head to make with the position of pedestal butt the chain denture of left and right separated, plunger is extracted via the sprocket path of navigation of pull head by plunger patchhole portion from pedestal, thereby can the fastener stringer of left and right is separated.

In addition, the separated state of fastener stringer from left and right, sprocket path of navigation by plunger via pull head inserts and accommodates in the plunger patchhole portion of pedestal, makes afterwards pull head slide along engagement direction (leaving the direction of pedestal), thereby can make the chain denture of left and right mesh and make slide fastener closed.

Slide fastener about the separated inlay of this band, for example in No. 98707 communiques of Japanese kokai publication hei 8 – (patent documentation 1), disclose a kind ofly by after the seat rod and pedestal of shaping synthetic resin system respectively, pedestal has been installed on to seat rod and the separated inlay (mount type after pedestal) of formation.

In addition, in No. 97840 communiques of TOHKEMY 2007 – (patent documentation 2), a kind of slide fastener with following separated inlay is disclosed, this separation inlay makes plastic plunger and a side's chain band be shaped to one by injection mo(u)lding, and makes plastic seat rod and pedestal and the opposing party's chain band be shaped to one and form.

Particularly, the slide fastener that patent documentation 2 is recorded has water proofing property by covering the watertight composition that adopts elastomer resin to form on the zone face at chain band.In addition, in the situation that the slide fastener of patent documentation 2, for plunger being firmly fixed to this chain band that is coated with watertight composition, in the mode of an ora terminalis of parcel chain band, stride across chain band chain band positive and negative fixing plunger fixed part, thereby the fixed-area that is fixed on chain band of plunger and plunger fixed part can be guaranteed for larger, above-mentioned plunger fixed part extends to chain band inner side from the side by chain band side of plunger.

In addition, slide fastener is except being used in the predecessor of clothes as described above, also through being commonly used in the peristome of suitcase class article, chandlery commodity etc.In addition, in recent years, make full use of the advantages such as switching function of slide fastener, and gradually by slide fastener as the connecting device that bird prevention net is linked up such as using in fruit tree garden etc. and by the fixed network of fishery, cultivate the connecting device that the separation of use links up with fishing nets such as nets.

A kind of main slide fastener as linking the connecting device of fishing net is for example disclosed in No. 2010/140231 communique of International Publication (patent documentation 3).For example as shown in figure 21, the slide fastener 70 that patent documentation 3 is recorded is configured to and can makes the wet end 91 of fishing net 90 connected to each other or separated, and by using this slide fastener 70, the manufacture of fishing net 90, assembling and decomposition etc. are easily carried out.

The slide fastener 70 of this patent documentation 3 comprises: by configuring the paired fastener stringer 71 that chain denture 73 forms on the chain band 72 in left and right; Be configured to the pull head 80 that can slide along chain denture 73; The backstop 81 of one end (leading section) of the fastener stringer 71 about being disposed at adjacently with chain denture 73; Be disposed at adjacently the separated inlay 82 of the other end (rearward end) of the fastener stringer 71 of left and right with chain denture 73.The wet end 91 of fishing net 90 is installed respectively at the chain band main part of the chain band 72 of left and right in addition.

The fastener stringer 71 of left and right comprises respectively chain band 72 and a plurality of synthetic resin zipper sprocket 74 processed, and these synthetic resin zipper sprocket 74 spread configurations processed form chain denture 73 in the chain band side edge part in opposite directions of chain band 72.Each zipper sprocket 74 comprises: main part, and it is fixed on chain band side edge part; Neck, the mode that its autonomous body attenuates with centre extends out to chain band outside; The engagement head of oblong shape, it further extends out to chain band outside from neck, and bloats along fore-and-aft direction (chain strip length direction); Projection piece, it is outstanding along fore-and-aft direction from neck.In addition, at the upper surface of the main part of zipper sprocket 74 and lower surface, be provided with for reducing the recess 74a of sectional area of the main part of zipper sprocket 74.

Particularly, the zipper sprocket 74 of patent documentation 3 is configured to: the minimum sectional area of sectional area ratio neck of the direction vertical with chain bandwidth direction of main part that is formed with recess 74a is little, can make thus the strength ratio of the neck of zipper sprocket 74 be formed with the main part of recess 74a high.

The separated inlay 82 of patent documentation 3 comprises: plunger 82a, and the rearward end of the chain denture 73 of the fastener stringer 71 in itself and left side is fixed on chain band 72 adjacently; Not shown seat rod, the rearward end of the chain denture 73 of the fastener stringer 71 on itself and right side is fixed on chain band 72 adjacently; Pedestal 82b, it is one-body molded with the rearward end of seat rod.In addition, half part outside the chain band of pedestal 82b is equipped with plunger patchhole portion from the 1st end face (front end face) in the face of chain denture 73 along chain strip length direction.

In the slide fastener 70 of patent documentation 3 that is configured to said structure, as mentioned above the sectional area of the main part of zipper sprocket 74 is set as less than the minimum sectional area of neck.Thus, for example in the situation that the slide fastener 70 in closure state be subject to chain bandwidth direction compared with strong lateral pull, make the such of zipper sprocket 74 breakages, can, at zipper sprocket 74 before neck fracture, make zipper sprocket 74 in the main part fracture less than the sectional area of neck.

At for example zipper sprocket 74, occur under damaged such situation, if there is fracture at the neck of zipper sprocket 74, as long as do not rupture at main part, this damaged zipper sprocket 74 is in being still fixed on the state of chain band 72.Therefore,, if repair slide fastener 70 by damaged zipper sprocket 74 being replaced by normal zipper sprocket 74, need further to damage the shank of this zipper sprocket 74 unloads this zipper sprocket 74 operation from chain band 72.

On the other hand, in the situation that the slide fastener 70 of patent documentation 3, when zipper sprocket 74 is subject to lateral pull etc. and has occurred in damaged situation, can make as mentioned above the main part of zipper sprocket 74 first rupture than neck, thereby naturally unload this damaged zipper sprocket 74 from chain band 72.Therefore, when repairing slide fastener 70, operation that zipper sprocket 74 is unloaded needn't be carried out, repairing work can be carried out easier and efficiently.

Prior art document

Patent documentation

Patent documentation 1: No. 98707 communiques of Japanese kokai publication hei 8 –

Patent documentation 2: No. 97840 communiques of TOHKEMY 2007 –

Patent documentation 3: No. 2010/140231 communique of International Publication

Summary of the invention

The problem > that < invention will solve

In the situation that slide fastener for fishing net etc. that patent documentation 3 is recorded, the joggled strength (horizontal tensile strength) that need to make zipper sprocket with for the common slide fastener of clothes etc., compare and significantly improve, even so that such as being subject to the impact of billow when the typhoon, when being subject to large-scale fish and colliding etc., the connecting state between the wet end of fishing net also can stably be maintained.

Therefore, for the slide fastener of fishing net etc., by making the methods such as zipper sprocket maximization guarantee larger joggled strength, and improve operability, the availability of slide fastener.In addition, in the situation that increased zipper sprocket in order to obtain compared with large joggled strength, also need with zipper sprocket make accordingly the pull head that slides along chain denture with for preventing that backstop, separated inlay that this pull head comes off from chain denture from maximizing.

But, in the situation that maintain be disposed at such as the shape invariance of the separated inlay of the common slide fastener for clothes etc. separated inlay is maximized, the required synthetic resin of moulding of separated inlay increases, so cause the weight of separated inlay to increase, produce the required production factors increase of single separated inlay etc., when the separated inlay of injection mo(u)lding in addition, there are the following problems,, at the larger pedestal of wall thickness, obviously produces the cob webbing phenomenon that is called shrink mark that the thermal contraction by synthetic resin causes.

In addition, in this case, injection mo(u)lding mould, particularly pedestal and the excellent injection mo(u)lding mould used of seat used of separated inlay also maximizes, so for by synthetic resin material settling out be expelled to the whole die cavity space of this mould, need to increase the injection pressure of synthetic resin material.But, in the situation that increase like this injection pressure of synthetic resin material, seat rod and pedestal are injected and molded in to chain band, the synthetic resin material of injecting and chain band collide and the position of chain band are easily departed from, thereby cause the position of chain band in the die cavity space of mould to become unstable.Therefore, exist chain band to be exposed to the seat rod after injection mo(u)lding, the surperficial defect of pedestal.

In addition, in the situation that slide fastener in the past, for stable in the die cavity space at mould, the position that makes chain band when injection mo(u)lding seat rod and the pedestal, sometimes adopt for example to utilize and sell the method that (also referred to as core pattern pin) presses the chain band positive and negative of chain band.

But, the in the situation that of having carried out injection mo(u)lding when utilizing in this wise pin to press chain band in die cavity space, can exist pedestal surface after moulding to form the hole portion corresponding with pin and defect that the exterior quality of separated inlay is declined.In addition, when in the situation that improved the injection pressure of injection synthetic resin material during injection mo(u)lding, sometimes only utilize pin can not press fully chain band.

In addition, as preventing that chain band is exposed to the seat rod after injection mo(u)lding, the surperficial additive method of pedestal, for example also can be by being embedded in the seat rod of chain band, the chain band portion in pedestal cuts away.But, in the situation that excise like this part for chain band, can in the manufacturing process of slide fastener, increase the operation that chain band is cut, so there is the problem of the manufacture decrease in efficiency of slide fastener, exist in addition the area that is fixed on chain band of seat rod and pedestal to reduce, can not stably obtain the problem of a rod of demand and the constant intensity of pedestal in the purposes such as fishing net.

The present invention completes in view of above-mentioned problem in the past, even if being to provide a kind of pedestal to maximize, its concrete object also can when injection mo(u)lding, prevent the generation of shrink mark, and can prevent that chain band is exposed to the seat rod after injection mo(u)lding, the surface of pedestal, the slide fastener of the separated inlay of band that seat rod is higher with the constant intensity that is fixed on chain band of pedestal, in addition, specific purposes of the present invention are also to provide a kind of and can will be disposed at the seat rod of slide fastener of the separated inlay of this kind of band and the die injection moulding that pedestal takes shape in chain band.

The method > of < for dealing with problems

In order to achieve the above object, the basic structure of the slide fastener of the separated inlay of band provided by the present invention is: comprising: the 1st paired fastener stringer and the 2nd fastener stringer, and its chain band side edge part in opposite directions at the 1st chain band and the 2nd chain band disposes chain denture, and separated inlay, it is disposed at least one end of above-mentioned the 1st fastener stringer and the 2nd fastener stringer, this separation inlay comprises plunger, seat rod and pedestal, above-mentioned pedestal is more outstanding than disposing above-mentioned the 1st chain band of this pedestal and the chain band ora terminalis of the 2nd chain band in chain strip length direction, and an end of above-mentioned pedestal and above-mentioned seat rod is one-body molded, the topmost of this slide fastener with separated inlay is characterised in that, above-mentioned pedestal possesses: hollow recess, its end face from the outstanding side of this pedestal wears to more lean on the position of above-mentioned seat rod than the above-mentioned chain band ora terminalis of above-mentioned chain band, and chain band is around portion, its in above-mentioned hollow recess around an end of above-mentioned chain band.

In the slide fastener of the separated inlay of band of the present invention, preferably, at above-mentioned chain band, between the upper surface of portion and the upper wall surface of above-mentioned hollow recess, be provided with gap, at above-mentioned chain band, between the lower surface of portion and the lower wall surface of above-mentioned hollow recess, be provided with gap, above-mentioned chain band is configured along the outstanding mode of chain strip length direction with the bottom surface from above-mentioned hollow recess around portion.

In addition, preferably, above-mentioned chain band is configured to spread all over the gamut in chain bandwidth direction in above-mentioned hollow recess around portion.In addition, preferably, above-mentioned chain band has than above-mentioned the 1st chain band and the large size on chain band both forward and reverse directions of the 2nd chain band around portion.

In addition, in the slide fastener of the separated inlay of band of the present invention, preferably, above-mentioned pedestal has plunger patchhole portion, and this plunger patchhole portion is arranged in this pedestal and extends through the end face of giving prominence to side along chain strip length direction from the end face by above-mentioned chain denture side of this pedestal.

Next, utilize the basic structure of die injection moulding provided by the invention to be: to there is fixed die and But moving die, this fixed die and moveable die are useful in an end molding seat rod of chain band and the die cavity space of pedestal, one end of above-mentioned pedestal and above-mentioned seat rod is one-body molded, and more outstanding than the chain band ora terminalis of above-mentioned chain band in chain strip length direction, the topmost of this die injection moulding is characterised in that, slide core member is configured to enter in above-mentioned die cavity space or from above-mentioned die cavity space and exits, this slide core member for moulding hollow recess and chain band around portion, above-mentioned hollow recess wears to more lean on the position of above-mentioned seat rod than the above-mentioned chain band ora terminalis of above-mentioned chain band from the end face of the outstanding side of above-mentioned pedestal, above-mentioned chain band is around portion end around above-mentioned chain band in above-mentioned hollow recess, leading section at above-mentioned slide core member disposes extension, this extension is branched off into two forkeds with above-mentioned chain band around the mode of the recess of the corresponding shape of portion and extends setting having to clip.

< invention effect >

In the slide fastener of the separated inlay of band of the present invention, the pedestal that forms separated inlay possesses: hollow recess, and its end face from the outstanding side of this pedestal wears to the position of seat rod more of the chain band ora terminalis than chain band; Chain band is around portion, its in hollow recess around an end of chain band.In this case, preferably, hollow recess is configured in half part by chain band inner side in the chain bandwidth direction of pedestal.

Here, half part by chain band inner side in the chain bandwidth direction of pedestal referring to: in the situation that pedestal being divided into 2 along chain strip length direction cutting pedestal, as the region of the pedestal of the chain band inner side of chain band.In this case, preferably, in the substantial middle portion of the chain bandwidth direction of pedestal, divide half part by chain band inner side of pedestal and by half part in chain band outside, but half part by chain band inner side of pedestal and needn't there is identical size along chain bandwidth direction by half part in chain band outside.

The cob webbing phenomenon that is called shrink mark producing while conventionally, being known in injection mo(u)lding is that the reasons such as cooling velocity large by the thermal shrinking quantity at the larger position of the wall thickness of formed products, synthetic resin between the larger position of wall thickness and the less position of wall thickness there are differences are caused.

Therefore, in the present invention, when at chain band injection mo(u)lding seat rod and pedestal, use can enter in the die cavity space of seat rod and pedestal or the slide core member that this die cavity space is exited certainly, and at pedestal, hollow recess is set, this hollow recess more has bottom surface in the position of seat rod at the chain band ora terminalis than chain band.Thus, even if pedestal maximizes, also can make significantly to reduce at the abundant position thickening of this pedestal mesospore, and can be when injection mo(u)lding, the cooling whole pedestal from pedestal internal heat dissipating and efficiently via slide core member, so can effectively prevent that the pedestal after injection mo(u)lding from producing the situation of shrink mark.In addition, by hollow recess being set at pedestal, reduce wall thickness, can reduce the required synthetic resin amount of moulding of pedestal, thereby can make pedestal lightness, reduction produce the required production factors of single pedestal.

In addition, in this case, in the present invention, in order to form chain band around portion in the hollow recess of pedestal, leading section at the slide core member for moulding hollow recess arranges extension, and this extension is branched off into two forkeds and forms to clip for accommodating the mode of the recess of chain band.Thus, can when injection mo(u)lding, chain band be accommodated in the recess of leading section of slide core member and make the position stability of chain band, so can prevent that chain band is exposed to the seat rod that moulding obtains, the surface of pedestal, thereby can make the outward appearance of pedestal form gallantly.

In addition, by synthetic resin material is dispersed throughout between the leading section of slide core member and chain band and moulding chain band around portion, can utilize this chain band that moulding obtains to guarantee that around portion pedestal is with respect to the fixed-area of chain band, thereby can improve seat rod and pedestal with respect to the constant intensity of chain band.

In slide fastener at this kind of the present invention with separated inlay, at above-mentioned chain band, between the upper wall surface intersecting with chain band both forward and reverse directions of the upper surface intersecting with chain band both forward and reverse directions of portion and hollow recess, be provided with gap, at above-mentioned chain band, between the lower wall surface intersecting with chain band both forward and reverse directions of the lower surface intersecting with chain band both forward and reverse directions of portion and hollow recess, be provided with gap, above-mentioned chain band is configured along the outstanding mode of chain strip length direction with the bottom surface from hollow recess around portion.By using as described above slide core member, easily the chain band of this spline structure of moulding, around portion, in addition, can positively be imbedded chain band in portion by an end of chain band, stably improves the constant intensity of seat rod and pedestal.

In addition, in the slide fastener of the separated inlay of band of the present invention, above-mentioned chain band is configured to spread all over the gamut of the chain bandwidth direction in hollow recess around portion.Thus, can stably guarantee that chain band is around the intensity of portion, and also can prevent that chain band from exposing around portion from chain band along chain bandwidth direction.In addition, because being ribs shape around portion, chain band is configured in chain band around between the left and right internal face of portion, so also can utilize chain band to increase the intensity of pedestal around portion.

In addition,, in the slide fastener of the separated inlay of band of the present invention, above-mentioned chain band has than the 1st chain band and the large size on chain band both forward and reverse directions of the 2nd chain band around portion.Thus, an end of chain band positively can be housed in to chain band in portion, utilize chain band around an end of portion's parcel chain band, so can stably guarantee the higher constant intensity of pedestal.

In addition, in the slide fastener of the separated inlay of band of the present invention, half part of leaning on chain band outside of above-mentioned pedestal in the chain bandwidth direction of this pedestal has plunger patchhole portion, and this plunger patchhole portion is arranged in this pedestal and extends through the end face of giving prominence to side along chain strip length direction from the end face by chain denture side of this pedestal.By configuring such plunger patchhole portion, further reduce at the position that can make the abundant border of pedestal mesospore thicken.

Next, die injection moulding of the present invention comprises: have fixed die and But moving die for the die cavity space of molding seat rod and pedestal; Be configured to enter in this die cavity space or the slide core member that this die cavity space is exited certainly, this slide core member for present body formed hollow recess and chain band around portion, leading section at slide core member disposes extension, and this extension is branched off into two forkeds with chain band around the mode of the recess of the corresponding shape of portion and extends setting to clip to have.

This die injection moulding of the application of the invention carries out injection mo(u)lding, can use the shape that fixed die and But moving die are expectation by the shape molding of seat rod and pedestal, and can use slide core member in stably moulding hollow recess of pedestal, this hollow recess wears to the chain band ora terminalis than chain band more by the excellent position of above-mentioned seat deeper from the end face of the outstanding side of pedestal, can reduce thus the synthetic resin amount of pedestal inside, make the actual wall thickness attenuation of casing.

In addition, by using slide core molding component pedestal, can when injection mo(u)lding, make the heat of synthetic resin overflow from the inside of pedestal via slide core member, thus cooling whole pedestal efficiently.Therefore, can effectively prevent from producing shrink mark on the pedestal after injection mo(u)lding.In addition, the cool time in injection mo(u)lding operation can significantly be shortened, so can improve the productivity ratio with the slide fastener of separated inlay.In addition, by being provided with hollow recess at pedestal, also can make pedestal lightness, cut down and produce the required production factors of single pedestal.

In addition, the leading section of slide core member has extension, this extension is branched off into two forkeds and extends setting to clip the mode of recess, therefore can be when injection mo(u)lding, one end of chain band accommodated in the recess of slide core member and make the position stability of chain band, so can prevent that chain band is exposed to the seat rod after moulding, the surface of pedestal.In addition, due to being dispersed throughout between the leading section of slide core member and chain band, synthetic resin material forms chain band around portion, so can utilize this chain band to guarantee that around portion pedestal is with respect to the fixed-area of chain band, improve seat rod and pedestal with respect to the constant intensity of chain band.

Accompanying drawing explanation

Fig. 1 means the top view of the slide fastener of the separated inlay of the band of embodiments of the invention 1.

Fig. 2 is the top view that represents enlargedly the engagement of the zipper sprocket in this slide fastener.

Fig. 3 is the cutaway view along the III – III line shown in Fig. 2.

Fig. 4 means the stereogram of the plunger that this slide fastener has.

Fig. 5 means seat rod that this slide fastener has and the stereogram of pedestal.

Fig. 6 is the top view of seat rod and pedestal.

Fig. 7 is the schematic diagram obtaining from the 2nd end face (rear end face) side observation pedestal.

Fig. 8 is the cutaway view along the VIII – VIII line shown in Fig. 6.

Fig. 9 is the cutaway view along the IX – IX line shown in Fig. 6.

Figure 10 is the cutaway view along the X – x-ray shown in Fig. 6.

Figure 11 represents a part for pedestal to illustrate with section the key diagram of the relation of pedestal and the 2nd sliding-type core.

Figure 12 means and uses the pedestal of slide core member institute moulding and the cutaway view of seat rod.

Figure 13 means pedestal and the excellent cutaway view of seat after slide core member is extracted.

The schematic diagram of the state of the fastener stringer separation about Figure 14 means.

Figure 15 means and plunger is inserted into the schematic diagram of the state in sprocket path of navigation from the shoulder mouth of pull head.

Figure 16 means the schematic diagram of state that plunger is inserted into the plunger patchhole portion of pedestal.

Figure 17 means the cutaway view of pedestal of the variation of embodiment 1.

Figure 18 means the cutaway view of pedestal of another variation of embodiment 1.

Figure 19 means the top view of the slide fastener of the separated inlay of the band of embodiments of the invention 2.

Figure 20 means the top view of the state that the fastener stringer of the left and right of this slide fastener has been pulled open.

Figure 21 means the top view for the slide fastener in the past of fishing net.

Description of reference numerals

1, slide fastener; 2, slide fastener; 5, backstop; 6, stop dog component; 10a, the 1st fastener stringer; 10b, the 2nd fastener stringer; 11, (the 1st and the 2nd) chain band; 11a, chain band main part; 11b, sprocket installation portion; 11c, core rope portion; 11d, chain band end edge; 11e, edge, rear end; 12, chain denture; 13, zipper sprocket; 13a, main part; 13b, neck; 13c, engagement head; 13d, projection piece; 13e, slot part; 13f, depressed part; 20, pull head; 20a, 20b, the 1st pull head and the 2nd pull head; 21, pull head main body; 22, upper flange; 23, lower wing plate; 24, guide post; 25, flange part; 26, pulling-on piece erection column; 27, sprocket path of navigation; 30, separated inlay; 31, plunger; 31a, plunger main part; 31b, plunger rib; 31c, sprocket engaging portion; 31d, accommodate recess; 31e, setting-in portion; 31f, notch part; 31g, projection piece; 31h, pin-and-hole portion; 32, seat rod; 32a, the excellent main part of seat; 32b, engaging protuberance; 32c, pin-and-hole portion; 32d, rake; 33, pedestal; 33a, pedestal main part; 33b, pedestal rib; 33c, plunger patchhole portion; 33d, hollow recess; 33e, chain band are around portion; 33f, slit portion; 33g, rear wall parts; 33h, separating part; 33i, (hollow recess) bottom surface; 33j, (hollow recess) upper wall surface; 33k, (hollow recess) lower wall surface; 33m, (chain band around portion) upper surface; 33n, (chain band around portion) lower surface; 35, pedestal; 35d, hollow recess; 35i, (hollow recess) bottom surface; 37, pedestal; 37d, hollow recess; 37e, chain band are around portion; 40, slide core member; 41, slide core main part; 42, extension; 43, recess; 50, separated inlay; 51, plunger; 52, seat rod; 53, pedestal; 60, separated inlay; 61, plunger; 62, seat rod; 63, pedestal.

The specific embodiment

Below, exemplify embodiment, the preferred embodiment that present invention will be described in detail with reference to the accompanying.

Embodiment 1

Fig. 1 means the top view of the slide fastener of the separated inlay of the band of the present embodiment 1.Fig. 2 is the top view that represents enlargedly the engagement of zipper sprocket, and Fig. 3 is the cutaway view along the III – III line shown in Fig. 2.In addition, Fig. 4 is the stereogram of plunger, and Fig. 5 is the stereogram of seat rod and pedestal.

In addition, in the following description, the chain strip length direction gage of chain band is decided to be to fore-and-aft direction, particularly in the present embodiment 1, using pull head slide in case the direction of leaving separated inlay as the place ahead, using pull head slide in case near the direction of separated inlay as rear.In addition, the chain bandwidth direction gage of chain band is decided to be to left and right directions, particularly, using the left side in the top view of the such slide fastener of Fig. 1 as left, using right side as right-hand.In addition, the chain band both forward and reverse directions of chain band is defined as to above-below direction, the side of pulling-on piece that the chain zone face with respect to chain band is disposed to the major part that becomes pull head is as top, using the opposition side of this side as below.

The slide fastener 1 of the present embodiment 1 comprises: the 1st paired fastener stringer 10a and the 2nd fastener stringer 10b, and they have chain denture 12 at the chain band side edge part in opposite directions of the chain band (the 1st chain band and the 2nd chain band) 11 of left and right; Pull head 20, it is configured to slide along chain denture 12; Backstop 5, it is configured in the position of the chain denture 12 of the desired chain denture 12 that is positioned at the 1st fastener stringer 10a and the 2nd fastener stringer 10b; Separated inlay 30, it is configured in the rearward end of the 1st fastener stringer 10a and the rearward end of the 2nd fastener stringer 10b.

The 1st fastener stringer 10a and the 2nd fastener stringer 10b comprise respectively chain band 11 and are installed on plastic a plurality of zipper sprockets 13 of the chain band side edge part of this chain band 11.Each chain band 11 of left and right system of being knitted or weave into as band shape, comprise make in fishing net etc. be provided with slide fastener goods chain band main part 11a and sprocket installation portion (the chain band side edge part) 11b of zipper sprocket 13 is installed.

In addition, the chain band side edge by sprocket installation portion 11b side at chain band 11 disposes the core rope 11c of portion.In addition, in the present invention, the material of chain band 11 is not specially limited, and can adopt the material same with the normally used chain band of slide fastener in the past.

On the chain band 11 of left and right, by injection mo(u)lding, at the sprocket installation portion 11b that comprises the core rope 11c of portion, along chain strip length direction, with fixed intervals, be disposed with plastic a plurality of zipper sprocket 13, by these a plurality of zipper sprockets 13, form the chain denture 12 of left and right.

In the present invention, the material of zipper sprocket 13 is circumscribed not, can preferably adopt thermoplastic synthetic resins such as polyacetals, polyamide, polypropylene, polybutylene terephthalate (PBT), nylon and Merlon, this plastic zipper sprocket 13 is lighter than metal zipper sprocket 13.The zipper sprocket 13 of the present embodiment 1 adopts polyacetals to form.

In addition, the zipper sprocket 13 of the present embodiment 1 is configured to and has the identical structure of zipper sprocket essence of recording with above-mentioned patent documentation 3.Particularly, the zipper sprocket 13 of the present embodiment 1 comprises: main part 13a, and it is fixed on the sprocket installation portion 11b of chain band 11; Neck 13b, the mode that its autonomous body 13a attenuates with centre is extended to chain band outside; Engagement head 13c, it further extends to chain band outside from neck 13b, is oblong shape bloats along fore-and-aft direction; Projection piece 13d, its from neck 13b the chain zone face along fore-and-aft direction and chain band 11 outstanding abreast.

In addition, the top ends (top) at the engagement head 13c of zipper sprocket 13 is formed with slot part 13e along chain strip length direction.This slot part 13e is configured to: be configured in the substantial middle portion of the chain band both forward and reverse directions of engagement head 13c, and when chain denture 12 engagement of left and right, the projection piece 13d of the zipper sprocket 13 of engagement the other side side is embedded in this slot part 13e.Thus, can prevent the zipper sprocket 13 generation dislocation relatively along the vertical direction each other of the left and right in engagement.

In the zipper sprocket 13 of the present embodiment 1, in order to make the minimum sectional area (with the area in the cross section of chain bandwidth direction quadrature) of the first half of main part 13a or the Area Ratio neck 13b in the latter half and cross section chain bandwidth direction quadrature little, in upper surface side and the lower face side of main part 13a, be provided with depressed part 13f.

By configuring such depressed part 13f at zipper sprocket 13, the for example slide fastener in closure state 1 be subject in the situation that in chain bandwidth direction compared with strong lateral pull, zipper sprocket 13 to be split such, can make zipper sprocket 13 in the main part 13a fracture less than the sectional area of neck 13b, easily from chain band 11, unload the zipper sprocket 13 of this fracture.Therefore, after while repairing slide fastener 1, without the operation of carrying out zipper sprocket 13 to unload, can carry out efficiently repairing work.

In addition, for example, in the situation that slide fastener 1 has passed through the several years to sink to marine state, the worry that exists the foreign matters such as algae, shellfish can be attached to zipper sprocket 13 etc. and hinder the slip of pull head 20, but by the upper surface side at zipper sprocket 13 and lower face side, depressed part 13f as described above is set, can when pull head 20 slides, prevents that foreign matter from entering in depressed part 13f and hinder the slip of pull head 20.In addition, in the present invention, for the form of zipper sprocket 13, be not particularly limited, can change arbitrarily according to needs.

It is identical with normally used pull head essence in the slide fastener 1 with separated inlay in the past that pull head 20 in the present embodiment 1 is configured to.

Particularly, the pull head 20 of the present embodiment 1 comprises pull head main body 21 and is held in rotationally the not shown pulling-on piece of pull head main body 21.Pull head main body 21 comprises: upper flange 22 and lower wing plate 23, by the guide post 24 linking up between an end (leading section) of this upper flange 22 and lower wing plate 23, from the left and right of upper flange 22 and lower wing plate 23 lateral margin, along mutually close direction, extend the upper lower flange 25 of the left and right arranging, and the pulling-on piece erection column 26 that is a shape and stands the upper surface of being located at upper flange 22.

Front end in this pull head main body 21 is formed with the shoulder mouth of left and right to clip the mode of guide post 24, and is formed with deutostoma in the rear end of pull head main body 21.In addition, between upper flange 22 and lower wing plate 23, be formed with the sprocket path of navigation 27 of the roughly Y-shaped that the shoulder mouth of left and right and deutostoma are communicated with.In addition,, at the upper flange part 25 from upper flange 22 vertical left and right of establishing and between the lower flange 25 of lower wing plate 23 vertical left and right of establishing, be formed with the gap (also referred to as chain trough of belt) that can run through for the chain band 11 of left and right.

In addition, the pull head 20 using is in the present invention except said structure, can also pulling-on piece erection column be further set at the lower surface of the lower wing plate 23 of pull head main body 21, and the 2nd complementary pulling-on piece can be held in rotationally to the pulling-on piece erection column of these lower wing plate 23 sides.Thus, can be configured to: can either, from the upper surface side operation pull head 20 of slide fastener 1, can operate pull head 20 from the lower face side of slide fastener 1 again.

In addition, in the present invention, for the material of pull head 20, be not particularly limited, such as using the metals such as the synthetic resin such as polyamide, polypropylene, polyacetals, aluminium alloy and kirsite.

Backstop 5 in the present embodiment 1 respectively configures 1 at the chain denture 12 of left and right, to prevent that pull head 20 from coming off from chain denture 12, by stop dog component 6 being embedded into the zipper sprocket 13 that is positioned at desired locations, forms this backstop 5.This stop dog component 6 comprises frame portion, grooving portion and the setting-in protuberance of tubular, above-mentioned grooving portion is configured in the front and back side surface of frame portion and inserts for chain band 11, the outstanding depressed part 13f that is arranged at the internal face up and down of frame portion and is flush-mounted in zipper sprocket 13 of above-mentioned setting-in protuberance, adopts the synthetic resin energy strain ground identical with zipper sprocket 13 to form this stop dog component 6.

Separated inlay 30 in the present embodiment 1 comprise the rearward end of the 1st fastener stringer 10a that is configured in left side plunger 31, be configured in right side the 2nd fastener stringer 10b rearward end seat rod 32 and with the integrated pedestal 33 of rearward end of seat rod 32.In addition, in the present invention, for example also can left-right reversed plunger 31 with the position relationship of seat rod 32 and pedestal 33, plunger 31 is installed on to the 2nd fastener stringer 10b on right side, and seat rod 32 and pedestal 33 are installed on to the 1st fastener stringer 10a in left side, thereby form separated inlay 30.

Plunger 31 in the separated inlay 30 of the present embodiment 1 configures adjacently with the rearward end of the chain denture 12 on the 1st fastener stringer 10a and continuous mode and the chain denture 12 of this rearward end, along the chain band lateral margin of chain band 11 to stride across fixedly plunger 31 of the double-edged mode of chain band.Resin-phase by the zipper sprocket 13 to polyacetals etc. with synthetic resin material carry out injection mo(u)lding, form the separated inlay 30 of the present embodiment 1 with this plunger 31.

In addition, plunger 31 comprises: plunger main part 31a, and it is directly fixed on chain band 11; Plunger rib 31b, the lateral margin by chain band side of its rearward end from plunger main part 31a extends to chain band inner side; Sprocket engaging portion 31c, it is configured at the leading section of plunger main part 31a outstanding along chain bandwidth direction to chain band outside; Accommodate recess 31d, it arranges along chain bandwidth direction depression with seat rod side in opposite directions from plunger main part 31a's.

The plunger main part 31a of this plunger 31 is configured to has certain thickness (size of chain band both forward and reverse directions), the size of the chain band both forward and reverse directions of this plunger main part 31a is set as less than the size of the chain band both forward and reverse directions of zipper sprocket 13, and larger than the interval being formed between the upper lower flange 25 of pull head 20.

The plunger rib 31b of plunger 31 in the mode of the edge, rear end (region of the rear end side of chain band 11) of parcel chain band 11, stride across chain band 11 chain band positive and negative configure.By disposing this plunger rib 31b, plunger 31 is increased with respect to the constant intensity of chain band 11, and can protect the edge, rear end of chain band 11 and prevent chain band split line, breakage etc.

In addition, the sprocket engaging portion 31c of plunger 31 is configured to: when chain denture 12 engagement of left and right, can be embedded in that zipper sprocket 13(is following is called the 1st sprocket 13 by this zipper sprocket 13) with seat excellent 32 between, thereby with the 1st sprocket 13 engagings, above-mentioned the 1st sprocket 13 is configured in the position of excellent 32 sides of the most close seat on the chain denture 12 of the 2nd fastener stringer 10b on right side.

That is, for example as shown in figure 14, this sprocket engaging portion 31c comprises: the 31e of setting-in portion, and it is outstanding to chain band outside from plunger main part 31a, and is flush-mounted in the neck 13b of the 1st sprocket 13; Notch part 31f, it is configured in the leading section of plunger 31, for the engagement head 13c embedding of the 1st sprocket 13; Projection piece 31g, it is darted in notch part 31f, is embedded in the slot part 13e of the 1st sprocket 13.

The recess 31d that accommodates of plunger 31 forms in the mode of engaging protuberance 32b described later that can holding seat rod 32.By the engaging protuberance 32b of seat rod 32 is accommodated to this, accommodate in recess 31d, can carry out plunger 31 with respect to the location of seat rod 32, when chain denture 12 engagement of left and right, can prevent that plunger 31 from staggering position on chain band both forward and reverse directions with respect to seat rod 32 in addition.

In addition, upper surface side half part and lower face side half partial configuration at the plunger main part 31a of the plunger 31 of the present embodiment 1 have the 31h of pin-and-hole portion, the 31h of this pin-and-hole portion utilizes pin press chain band positive and negative and form, to chain band 11 is positioned when injection mo(u)lding plunger 31.By this pin-and-hole 31h of portion is set, can reduce the required synthetic resin of plunger 31 moulding, make plunger 31 lightness.

The rearward end of the chain denture 12 of the seat rod 32 of the separated inlay 30 of the present embodiment 1 on the 2nd fastener stringer 10b to be to configure adjacently with continuous mode and the chain denture 12 of this rearward end, and is fixed to stride across the double-edged mode of chain band along the chain band lateral margin of chain band 11.

This rod 32 comprises: the excellent main part 32a of seat, and it is directly fixed on chain band 11; Engaging protuberance 32b, in the front end area of its present excellent main part 32a, from outstanding along chain bandwidth direction to chain band outside with plunger side in opposite directions.In addition, upper surface side half part and lower face side half part at the seat rod 32 of the present embodiment 1, similarly dispose the 32c of pin-and-hole portion with plunger 31, the 32c of this pin-and-hole portion utilizes pin press chain band positive and negative and form, to chain band 11 was positioned in 32 o'clock at injection mo(u)lding seat rod.

In the present embodiment 1, can utilize pull head 20 and casing 33 by being formed at the 32c of this pin-and-hole portion and temporary transient hide (reference example is as Figure 16) of the above-mentioned pin-and-hole 31h of portion that is formed at plunger 31 of seat rod 32, its impact on the outward appearance of slide fastener 1 can be suppressed for less thus.

In the seat rod 32 of the present embodiment 1, the size (thickness) on chain band both forward and reverse directions of the leading section of seat rod main part 32a is set littlely than the size on chain band both forward and reverse directions of zipper sprocket 13.In addition, the excellent main part 32a of seat has rake 32d(or bend in upper and lower two surface configuration), this rake 32d makes the size (thickness) on chain band both forward and reverse directions of this excellent main part 32a go and increase gradually towards rearward end (ends of seat body 33 sides), the thickness of the rearward end of seat rod main part 32a is set as to the size identical with the thickness of zipper sprocket 13, or is set as slightly larger than the thickness of zipper sprocket 13.

By the size of the chain band both forward and reverse directions of the excellent main part 32a of seat is changed in the above described manner along chain strip length direction, for example rearward being slided, pull head 20 during with pedestal 33 butt, can make a leading section for excellent 32 thinner thicknesses from this rod 32 successfully enter in the sprocket path of navigation 27 of pull head 20.In addition, when making pull head 20, with pedestal 33 butts, this pull head 20 is held in to this pedestal 33, by the thicker rearward end of seat rod main part 32a is inserted in the sprocket path of navigation 27 of pull head 20, can make to be formed on the gap between the upper flange 22 of pull head 20 and the upper surface of the rearward end of the excellent main part 32a of seat and be formed on lower wing plate 23 with the lower surface of the rearward end of an excellent main part 32a between gap reduce, can suppress thus pull head 20 and shake, and make pull head 20 be connected to this pedestal 33 and stop in stable condition.

The pedestal 33 of the separated inlay 30 of the present embodiment 1 is more one-body molded with the rearward end of seat rod 32 than the large mode of seat rod 32 with the size of both forward and reverse directions via stage portion, and the rear end face of this pedestal 33 is configured in than outstanding position more rearward, the position of the chain band end edge 11d of the chain band 11 of the 2nd fastener stringer 10b.This pedestal 33 comprises: the pedestal main part 33a with rectangular-shaped profile; And the pedestal rib 33b further extending to chain band inner side from the side by chain band side of pedestal main part 33a.

The present phosphor bodies 33a of portion disposes: the plunger patchhole 33c of portion, and it is arranged in roughly left side half part of pedestal main part 33a and can inserts for plunger 31; Hollow recess 33d, roughly right side half part that it is arranged in pedestal main part 33a, reduces the thicker position of wall thickness of pedestal main part 33a; Chain band is around the 33e of portion, and it is configured in hollow recess 33d; Slit portion 33f, its incision is formed on the side surface in the chain band outside of pedestal main part 33a.

The plunger patchhole 33c of portion is arranged in pedestal main part 33a from the front end face of pedestal main part 33a along chain strip length direction, has the inner space larger than plunger 31.In addition, although the front end face side direction rear end face side that this plunger patchhole 33c of portion forms from pedestal main part 33a runs through, but the rear end face side of the present phosphor bodies 33a of portion is provided with the rear wall parts 33g of a part of the sealing plunger patchhole 33c of portion, so that the aperture area of the open area ratio front end face side of the rear end face side of the plunger patchhole 33c of portion is little, utilize this rear wall parts 33g can improve the intensity of pedestal 33.By the present phosphor bodies 33a of portion, wear this plunger patchhole 33c of portion, make roughly left side half part of pedestal main part 33a there is the structure of hollow, so can make actual wall thickness (filling the thickness of the part of the full synthetic resin) attenuation of this left side half part.

In addition, the side surface (left side side surface) outside the chain band of this pedestal main part 33a is provided with slit portion 33f, and this slit portion 33f cuts and is connected with the plunger patchhole 33c of portion along chain strip length direction from the front end face side of pedestal main part 33a.The slit width of the chain band both forward and reverse directions of this slit portion 33f is set as larger than the size of the chain band both forward and reverse directions of the plunger rib 31b of plunger 31, when plunger 31 being inserted into the plunger patchhole 33c of portion of pedestal 33, by the plunger rib 31b of plunger 31 being inserted into the slit portion 33f of pedestal 33, can avoid the plunger rib 31b of plunger 31 to disturb pedestal main part 33a.

The hollow recess 33d of pedestal main part 33a is arranged in pedestal main part 33a from the rear end face of pedestal main part 33a along chain strip length direction towards the place ahead, be provided with separating part 33h hollow recess 33d and the plunger patchhole 33c of portion zoning are opened between hollow recess 33d and the plunger patchhole 33c of portion.

As shown in Figure 6, the bottom surface 33i that is configured in the front end of this hollow recess 33d is configured in than the position of the chain band end edge 11d of the chain band 11 of the 2nd fastener stringer 10b more on the front and than the position at the Geng Kao rear, position of the front end face of pedestal main part 33a.In this case, the full-size of the chain strip length direction of the bottom surface 33i from rear end face to hollow recess 33d of pedestal 33 is defined as to the degree of depth of hollow recess 33d, the degree of depth of hollow recess 33d is set as than the rear end face from pedestal main part 33a until the size on chain strip length direction of the position of the chain band end edge 11d of chain band 11 is large.

Roughly right side half part by the present phosphor bodies 33a of portion wears this hollow recess 33d, makes roughly right side half part of pedestal main part 33a have the structure of hollow, so can make the actual wall thickness attenuation of this right side half part.In addition, can reduce the required synthetic resin amount of moulding of pedestal 33, so can make pedestal 33 lightness, reduction produce the required production factors of single pedestal 33.Particularly, in the present embodiment 1, hollow recess 33d is configured along chain strip length direction together with the plunger patchhole 33c of portion, so can effectively cut down the actual wall thickness of pedestal 33.

In addition,, by configure separating part 33h between the plunger patchhole 33c of portion and hollow recess 33d, the intensity that can make to have the pedestal main part 33a of hollow structure is improved.In addition, in the present invention, such as in the situation that material by pedestal 33 etc. guaranteed fully intensity also can between the plunger patchhole 33c of portion and hollow recess 33d, separating part 33h not to be set.

In this case, the upper wall surface 33j of hollow recess 33d and lower wall surface 33k form such inclined plane that the interval of the chain band both forward and reverse directions that makes hollow recess 33d reduces gradually along with going to bottom surface, and with pattern draft, this pattern draft is for extracting slide core member 40 when the rod 32 of molding seat as described later and the pedestal 33.

As shown in Figure 6, be configured in chain band in this hollow recess 33d around the 33e of portion being exposed to chain band portion in the hollow recess 33d of chain band 11 around the mode of getting up, outstanding and form along chain strip length direction from the bottom surface of hollow recess 33d 33i.As shown in figure 10, this chain band spreads all over around the 33e of portion in the gamut of chain bandwidth direction of hollow recess 33d and to be configured in the substantial middle portion of the chain band both forward and reverse directions of hollow recess 33d with the thickness of regulation, at chain band, between the upper surface 33m of the 33e of portion and the upper wall surface 33j of hollow recess 33d, be provided with gap, at chain band, between the lower surface 33n of the 33e of portion and the lower wall surface 33k of hollow recess 33d, be provided with gap.

By in the above described manner chain band being formed thicker than chain band 11 around the 33e of portion along chain band both forward and reverse directions with the thickness of regulation, even in the situation that made wall thickness (filling the thickness of the part of the full synthetic resin) attenuation of pedestal 33 by hollow recess 33d is set, also can make chain band around the 33e of portion, positively wrap up the edge, rear end of chain band 11, the fixed-area with respect to chain band 11 of pedestal 33 can be guaranteed for larger thus, stably be obtained the higher constant intensity of pedestal 33.

In addition, by chain band being spread all over around the 33e of portion between the left and right internal face of hollow recess 33d, be configured in the gamut of chain bandwidth direction, can improve chain band around the intensity of the 33e of portion, prevent that chain band is damaged around the 33e of portion itself, and chain band is the ribs performance function as pedestal 33 around the 33e of portion, and the intensity of pedestal 33 is also increased.

The pedestal rib 33b of pedestal 33 in the mode of the end edge of parcel chain band 11, stride across chain band 11 chain band positive and negative configure.By configuring this pedestal rib 33b, can make the constant intensity with respect to chain band 11 of pedestal 33 further increase, and the edge, rear end of protection chain band 11 and prevent chain band split line, breakage etc.

Use following such mold injection molding the present embodiment 1 such seat rod 32 and pedestal 33, thereby this rod 32 and pedestal 33 are formed as one with chain band 11.

The mold for forming of seat rod 32 and pedestal 33 comprises: fixed die and But moving die, and it has the die cavity space for molding seat rod 32 and pedestal 33; The 1st sliding-type core, it is configured to enter in die cavity space or autotype cavity space exits, to form the plunger patchhole 33c of portion and slit portion 33f at pedestal 33; The 2nd sliding-type core, it is configured to enter in die cavity space or autotype cavity space exits, to form hollow recess 33d and chain band at pedestal 33 around the 33e of portion.

In this case, But moving die is configured to along matched moulds direction and die sinking direction, to move with respect to fixed die.In addition, at the inner surface (mold cavity surface) of fixed die and But moving die, be equipped with accordingly pin with the position (position of the 32c of pin-and-hole portion of seat rod 32) that forms seat rod 32, this pin positions chain band 11 for press chain band 11 when injection mo(u)lding.

In addition, the 1st sliding-type core that is used to form the plunger patchhole 33c of portion and slit portion 33f comprises: slide core member, and it is inserted in die cavity space from a side that becomes the front end face of pedestal 33; Slide core member, it is inserted in die cavity space from a side that becomes the rear end face of pedestal 33.

As shown in figure 11, be used to form hollow recess 33d and chain band and have slide core member 40 around the 2nd sliding-type core of the 33e of portion, this slide core member 40 is configured to be inserted in die cavity space from a side that becomes the rear end face of pedestal 33.The slide core member 40 of the 2nd sliding-type core possesses slide core main part 41 and extends the extension 42 of two forkeds of the leading section that is arranged at slide core main part 41.

The slide core main part 41 of the 2nd sliding-type core forms roughly rectangular-shaped, the size that the upper surface of this slide core main part 41 and lower surface are configured to the above-below direction that makes slide core main part 41 is along with forward end is gone and the inclined plane that reduces gradually, so that pattern draft to be set.Between the extension 42 that is branched off into two forkeds, dispose and have and the recess 43 of chain band around the corresponding shape of the 33e of portion, this recess 43 is set to when injection mo(u)lding the region of the rear end side of edge, the rear end 11e(chain band 11 by chain band side edge part side of chain band 11) be housed in inside, and between extension 42 and this chain band 11 of being accommodated, be formed with the space of filling for synthetic resin material.

In the situation that using this mold for forming that seat rod 32 and pedestal 33 are injected and molded in to chain band 11, first chain band 11 is being inserted under the state between fixed die and But moving die fixed die and But moving die matched moulds, and each slide core member 40 of the 1st sliding-type core and the 2nd sliding-type core is entered in the die cavity space being formed between fixed die and But moving die.

Now, the chain band positive and negative that the pin that utilization is disposed at fixed die and But moving die is pressed chain band 11 positions chain band 11, and edge, the rear end 11e of chain band 11 is accommodated in the recess 43 of the slide core member 40 that is arranged at the 2nd sliding-type core (with reference to Figure 11).Thus, due to the position stability of chain band 11 in die cavity space, thereby can make the expanded range of setting of the injecting conditions such as injection pressure, the free degree of injection mo(u)lding improves, and can make thus the seat rod 32 of moulding and the stay in grade of pedestal 33.

Then, by the thermoplastic synthetic resin material after hot melt with regulation injection pressure injection fillers in die cavity space.Now, by controlling the injection pressure etc. of synthetic resin material, can be suppressed at and on formed products, produce the bad phenomenon such as current mark.In addition, utilize as mentioned above the chain band 11 in the pin of fixed die, But moving die and the recess of the 2nd sliding-type core 43 maintenance cavity spaces, even so be subject to the mobile impact of injected synthetic resin material, also can prevent that chain band 11 from significantly displacement occurring, chain band 11 can be held in regulation region the chain band location dimension in die cavity space.

After synthetic resin material is filled in die cavity space, by synthetic resin material cooled, thereby with the state that seat rod 32 and pedestal 33 are fixed on chain band 11, obtain seat rod 32 and the pedestal 33 of the present embodiment 1.Now, because the inside forming the synthetic resin of pedestal 33 is inserted with each slide core member 40 of the 1st sliding-type core and the 2nd sliding-type core, so can make the heat of synthetic resin easily overflow via these each slide core members 40.Particularly, as shown in figure 12, the in the situation that of the 2nd sliding-type core, utilize the contact area of recess 43 increase slide core members 40 with the synthetic resin of the leading section that is disposed at slide core member 40, so can make the heat of synthetic resin overflow more efficiently.

Thus, the cooling velocity that can make to form the synthetic resin of pedestal 33 increases, and can also make in addition heat from the inside of pedestal 33, via slide core member 40, overflow and whole pedestal 33 is more cooling.Its result, with by the plunger patchhole 33c of portion and hollow recess 33d are set at pedestal 33, the effect of the actual wall thickness attenuation of pedestal 33 is brought out the best in each other, can effectively prevent from producing and becoming the shrink mark of cob webbing phenomenon at pedestal 33, and can further suppress the generation of the defects such as current mark.In addition, the cooling velocity by increase synthetic resin, also can significantly shorten in the cool time of injection mo(u)lding operation, thereby can improve the productivity ratio of slide fastener 1.

Then, after synthetic resin is cooling, the slide core member 40(reference example of extracting the 1st sliding-type core and the 2nd sliding-type core from formed products is as Figure 13), then by fixed die and But moving die die sinking, thereby acquisition has seat rod 32 and the pedestal 33 of the present embodiment 1 of above-mentioned such form.

Even in the situation that utilize seat rod 32 that the moulding of this injection mo(u)lding operation obtains and pedestal 33 to have and the large size of comparing such as the separated inlay that is used in the slide fastener on clothes etc., also can significantly reduce the generation of shrink mark, current mark etc., in addition owing to forming smoothly upper surface and the lower surface of pedestal 33, so the profile of pedestal 33 (exterior quality) is also better.In addition, the position of the chain band 11 of the inside of present rod 32 and pedestal 33 is also stable, becomes the situation of defective products so can prevent chain band 11 to be exposed to the surface of seat rod 32, pedestal 33, and the yield rate of slide fastener 1 is greatly improved.

In addition, in the present invention, the injection mo(u)lding operation of seat rod 32 as described above and pedestal 33 can be carried out with the injection mo(u)lding operation of the zipper sprocket 13 of the 2nd fastener stringer 10b simultaneously, in addition, also can before or after the injection mo(u)lding operation of zipper sprocket 13, carry out as required.

About being configured to the slide fastener 1 of the separated inlay 30 of band of the present embodiment 1 of above structure, for example, in the situation that start to make 12 engagements of chain denture from the 1st fastener stringer 10a of left and right with the separated state of the 2nd fastener stringer 10b, as shown in figure 14, first make pull head 20 move to the slip back-end location with pedestal 33 butts.

Now, the excellent main part 32a of seat of present rod 32 configures rake 32d(or bend as described above), the size on chain band both forward and reverse directions of the rearward end (pedestal side end) of seat rod main part 32a is set as larger than leading section (chain denture side end).Thus, when making pull head 20 slide into slip back-end location, the rearward end of the excellent main part 32a of seat is inserted in the sprocket path of navigation 27 of pull head 20, can suppress rocking (particularly of pull head 20, the rocking towards chain band both forward and reverse directions of pull head 20), can stably maintain the halted state of pull head 20.

Then, as shown in figure 15, by plunger 31, from the shoulder mouth of pull head 20, the sprocket path of navigation 27 via this pull head 20 is inserted in the plunger patchhole 33c of portion of pedestal 33.Now, the plunger rib 31b of plunger 31 is inserted in the gap between the upper lower flange 25 that is formed on pull head 20.In addition, as shown in figure 16, darker by plunger 31 is inserted, the rearward end of plunger 31 is inserted and is housed in the plunger patchhole 33c of portion of pedestal 33.

Now, the engaging protuberance 32b of seat rod 32 is housed in accommodating in recess 31d of plunger 31, and the rear end of plunger rib 31b of plunger 31 and the rear end face butt of the slit portion 33f of pedestal 33, and the rear end of plunger main part 31a and the rear wall parts 33g butt of pedestal 33, thereby plunger 31 is positioned to assigned position with respect to seat excellent 32 and pedestal 33, plunger 31 is remained and seat rod 32 state in opposite directions.Then, by pull head 20 is forwards slided towards backstop 5, can make as illustrated in fig. 1 chain denture 12 engagements of left and right.

On the other hand, in the situation that from making as illustrated in fig. 1 the state of chain denture 12 engagements of left and right that the 1st fastener stringer 10a and the 2nd fastener stringer 10b are pulled open mutually, pull head 20 is moved to after the slip back-end location with pedestal 33 butts, as long as the plunger patchhole 33c of portion from pedestal 33 extracts via the sprocket path of navigation 27 of pull head 20 by plunger 31.

Slide fastener 1 for the separated inlay 30 of this band of the present embodiment 1, even if for example increased the size of separated inlay 30 according to the size of zipper sprocket 13, also can prevent from producing shrink mark, current mark etc. on pedestal 33, so can easily form such slide fastener 1: zipper sprocket 13 maximizes and has higher joggled strength and separated inlay 30 can not produce cob webbing.

Therefore, the slide fastener 1 of the present embodiment 1 can be preferably as the slide fastener that the fishing nets such as fixed network are linked up such as the higher joggled strength of needs, be used in the slide fastener of the link bird prevention net in fruit tree garden etc. etc.

In addition, the slide fastener of the separated inlay of band of the present invention is not limited to above-described embodiment 1 and embodiment described later 2, as long as have the structure identical with essence of the present invention and obtain the action effect same with the present invention, can carry out various change.

As long as for example forming the pedestal of separated inlay comprises: 1. the rear end face from pedestal is arranged in the hollow recess of pedestal with the dark degree of depth in chain band end edge position than chain band, 2. be configured in hollow recess and around the chain band of the rearward end of chain band around portion, for example as shown in Figure 17 and Figure 18, also can there is the form different from pedestal 33 in above-described embodiment 1.

The pedestal 35 of variation as shown in figure 17 of example is configured to: the degree of depth (length from the rear end face of pedestal 35 to the bottom surface 35i of hollow recess 35d) that is arranged in the hollow recess 35d of this pedestal 35 is darker than the situation of above-described embodiment 1.Darker by this wise hollow recess 35d being formed, can further reduce the actual wall thickness of pedestal 35, and can be present in rod 32 and the injection mo(u)lding operation of pedestal 35, more evenly and more efficiently cooling whole pedestal 35.Therefore, can prevent more reliably that the pedestal 35 after moulding from producing shrink mark, current mark etc.

In addition, in this case, when making the degree of depth of hollow recess 35d excessive, the size reduction on chain strip length direction of the bottom surface 35i from front end face to hollow recess 35d of pedestal 35 and may make the intensity of pedestal 35 decline, or the extension 42 of slide core member 40 attenuates and may be easy to occur breach.Therefore, preferably the degree of depth of hollow recess 35d is set as: for example make the size on chain strip length direction of the bottom surface 35i from front end face to hollow recess 35d of pedestal 35, larger than the size on chain band both forward and reverse directions of the upper wall surface (or lower wall surface) from upper surface (or lower surface) to hollow recess 35d of pedestal 35.

In addition, the pedestal 37 of another variation shown in Figure 18 in hollow recess 37d around the chain band of chain band 11 around the 37e of portion, not as the chain band of above-described embodiment 1 is configured in the gamut of the chain bandwidth direction in hollow recess 33d around the 33e of portion, and between the left side wall (by the wall of separating part 37h side) of the 37e of portion and hollow recess 37d, be provided with gap at chain band.Even the pedestal 37 forming like this, also can obtain and prevent the generation of shrink mark and current mark and the same effects of situation such and pedestal 33 above-described embodiment 1 such as constant intensity that increase pedestal 37.

Embodiment 2

Figure 19 means the top view of the slide fastener of the separated inlay of the band of the present embodiment 2, and Figure 20 means the top view of the state that the fastener stringer of the left and right of this slide fastener has been pulled open.In addition, in the present embodiment 2, for the member with the structure identical with the slide fastener of above-described embodiment 1, use the Reference numeral identical with above-described embodiment 1 to represent, thereby the description thereof will be omitted.

In the situation that the slide fastener 2 of the present embodiment 2, the 1st fastener stringer 10a of left and right is configured to identical with the situation of above-described embodiment 1 with the 2nd fastener stringer 10b, but the leading section at the 1st fastener stringer 10a and the 2nd fastener stringer 10b disposes separated inlay 50, rearward end at the 1st fastener stringer 10a and the 2nd fastener stringer 10b disposes separated inlay 60, and by paired the 1st pull head 20a in front and back and the 2nd pull head 20b be configured to can with shoulder mouthful side toward each other towards sliding along chain denture 12.

In this case, the separated inlay 60 that is configured in the rearward end of slide fastener 2 is configured to identical with pull head 20 with the separated inlay 30 in above-described embodiment 1 with the 2nd pull head 20b that is configured in rear side.

In addition, be configured in separated inlay 50 and the 1st pull head 20a that is configured in front side of leading section of slide fastener 2 to form with separated inlay 30 in above-described embodiment 1 and the state towards the opposite of pull head 20 on fore-and-aft direction and left and right directions, but the substantial structure of the separated inlay 50 except this sets direction and the 1st pull head 20a is identical with the situation of embodiment 1.

Thereby, in the present embodiment 2, be configured in the separated inlay 50 and the separated inlay 60 that is configured in rearward end of the leading section of slide fastener 2, comprise respectively the plunger 51,61 corresponding with plunger 31, seat rod 32 and the pedestal 33 of embodiment 1, seat rod 52,62 and pedestal 53,63.

In the situation that this slide fastener 2 of the present embodiment 2, for example as shown in figure 19, when the chain denture 12 from left and right meshes and the state of slide fastener 2 closures, when as illustrated in fig. 20 the 1st fastener stringer 10a of left and right and the 2nd fastener stringer 10b are pulled open, the 1st pull head 20a before and after making and the 2nd pull head 20b move to respectively with the pedestal 53 of leading section side and the pedestal of rearward end side 63 and distinguish behind the position of butts, each separated inlay 50 in leading section side and rearward end side, 60, from pedestal 53, plunger 51 is extracted via the sprocket path of navigation of the 1st pull head 20a and the 2nd pull head 20b by 63 plunger patchhole portion, 61.

On the other hand, in the situation that make 12 engagements of chain denture from the 1st fastener stringer 10a of the left and right state (Figure 20) separated with the 2nd fastener stringer 10b, first make the 1st pull head 20a and the 2nd pull head 20b move to respectively the position of distinguishing butts with the pedestal 53 of leading section side and the pedestal of rearward end side 63.Then, at each separated inlay 50,60 of leading section side and rearward end side, plunger 51,61 is inserted and accommodates to the plunger patchhole portion of pedestal 53,63, then make the 1st pull head 20a and the 2nd pull head 20b slide to leave respectively the mode of pedestal 53,63.Thus, as shown in figure 19, can make chain denture 12 engagements of left and right.

Even the slide fastener 2 of the separated inlay 50,60 of this band of the present embodiment 2, also can obtain constant intensity of preventing shrink mark, current mark, increase pedestal 53,63 etc. such with above-described embodiment 1 with the identical effect of the slide fastener 1 of separated inlay 30.

In addition, in the situation that the slide fastener 2 of the present embodiment 2, the separated inlay 50 of leading section side is configured to point-symmetric relation with the separated inlay 60 of rearward end side, and the 1st fastener stringer 10a in left side is provided with the plunger 61 of separated inlay 60 of seat rod 52, pedestal 53 and rearward end side of the separated inlay 50 of leading section side.

But in the present invention, the plunger of separated inlay can change arbitrarily with the left and right position relationship of seat rod, pedestal.For example, in the situation that the 1st fastener stringer and the rear and front end portion of the 2nd fastener stringer dispose the slide fastener of separated inlay, also the separated inlay of leading section side and the separated inlay of rearward end side can be configured to the relation of line symmetry, the plunger (or seat rod and pedestal) of the plunger (or seat rod and pedestal) of the separated inlay of leading section side and the separated inlay of rearward end side is installed at the 1st fastener stringer in left side.

Claims (6)

1. with a slide fastener for separated inlay, it is characterized in that, the slide fastener (1,2) of the separated inlay of described band (30,50,60) comprising:

Paired the 1st fastener stringer (10a) and the 2nd fastener stringer (10b), its chain band side edge part in opposite directions at the 1st chain band (11) and the 2nd chain band (11) disposes chain denture (12); And

Separated inlay (30,50,60), at least one end that it is disposed at described the 1st fastener stringer (10a) and the 2nd fastener stringer (10b), comprises plunger (31,51,61), seat rod (32,52,62) and pedestal (33,35,37,53,63),

Described pedestal (33,35,37,53,63) is more outstanding than disposing described the 1st chain band (11) of this pedestal (33,35,37,53,63) and the chain band ora terminalis (11d) of the 2nd chain band (11) in chain strip length direction, and one-body molded with described seat rod (32,52,62)

Described pedestal (33,35,37,53,63) comprising:

Hollow recess (33d, 35d, 37d), its end face from the outstanding side of this pedestal (33,35,37,53,63) wears to more leaning on the position of described seat rod (32,52,62) than the described chain band ora terminalis (11d) of described chain band (11); And

Chain band is around portion (33e, 37e), its in described hollow recess (33d, 35d, 37d) around the end (11e) of described chain band (11).

2. the slide fastener of the separated inlay of band according to claim 1, it is characterized in that, described chain band is configured to around portion (33e): at described chain band, between the upper surface (33m) of portion (33e) and the upper wall surface (33j) of described hollow recess (33d), be provided with gap, at described chain band, between the lower surface (33n) of portion (33e) and the lower wall surface (33k) of described hollow recess (33d), be provided with gap, described chain band is configured along the outstanding mode of chain strip length direction with the bottom surface from described hollow recess (33d) (33i) around portion (33e).

3. the slide fastener of the separated inlay of band according to claim 1 and 2, is characterized in that, described chain band is configured to spread all over the gamut in chain bandwidth direction in described hollow recess (33d) around portion (33e).

4. according to the slide fastener of the separated inlay of the band described in any one in claims 1 to 3, it is characterized in that, described chain band has than described the 1st chain band (11) and the large size on chain band both forward and reverse directions of the 2nd chain band (11) around portion (33e).

5. according to the slide fastener of the separated inlay of the band described in any one in claim 1 to 4, it is characterized in that, described pedestal (33) has plunger patchhole portion (33c), and this plunger patchhole portion (33c) the certainly end face by described chain denture (12) side of this pedestal (33) is arranged in this pedestal (33) and extends through the end face of giving prominence to side along chain strip length direction.

6. a die injection moulding, it is characterized in that having fixed die and But moving die, described fixed die and described moveable die are useful in an end molding seat rod (32,52,62) of chain band (11) and the die cavity space of pedestal (33,35,37,53,63), described pedestal (33,35,37,53,63) is one-body molded with an end of described seat rod (32,52,62), and more outstanding than the chain band ora terminalis (11d) of described chain band (11) in chain strip length direction

Slide core member (40) is configured to enter in described die cavity space or from described die cavity space and exits, this slide core member (40) is for moulding hollow recess (33d, 35d, 37d) and chain band around the (33e of portion, 37e), described hollow recess (33d, 35d, 37d) from described pedestal (33, 35, 37, 53, 63) end face of outstanding side wears to more lean on described seat rod (32 than the described chain band ora terminalis (11d) of described chain band (11), 52, 62) position, described chain band is around (the 33e of portion, 37e) at described hollow recess (33d, 35d, a 37d) interior end (11e) around described chain band (11),

Leading section at described slide core member (40) disposes extension (42), and this extension (42) is branched off into two forkeds with described chain band around the mode of the recess (43) of the corresponding shape of portion (33e, 37e) and extends setting to clip to have.

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