CN104585980B - Liquid-tight slide fastener - Google Patents

Liquid-tight slide fastener Download PDF

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Publication number
CN104585980B
CN104585980B CN201510082398.2A CN201510082398A CN104585980B CN 104585980 B CN104585980 B CN 104585980B CN 201510082398 A CN201510082398 A CN 201510082398A CN 104585980 B CN104585980 B CN 104585980B
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China
Prior art keywords
liquid
pair
tight
slide fastener
chain
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CN201510082398.2A
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CN104585980A (en
Inventor
松本敏
林志宏
吴克均
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YKK Corp
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YKK Corp
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Priority to CN201510082398.2A priority Critical patent/CN104585980B/en
Priority claimed from CN200980162676.8A external-priority patent/CN102639022B/en
Publication of CN104585980A publication Critical patent/CN104585980A/en
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Abstract

There is provided a kind of liquid-tight slide fastener, it can fully ensure that water proofing property is formed at where but regardless of chain tooth, and can fully ensure that chain tooth is installed on the installation strength of the zipper cloth belt for being provided with liquid-tight layers.Additionally provide a kind of manufacture method of liquid-tight slide fastener.Liquid-tight slide fastener includes a pair of fastener tapes (20), is respectively arranged at the pair of zipper cloth belt (20) and a pair of chain dentures (30) including multiple chain tooths (31) and the pull head (40) that makes a pair of chain dentures (30) engage/be disengaged from, liquid-tight layers (23) of the zipper cloth belt (20) including a pair of cloth band members (21), the core (22) for expanding shape of the relative cloth belt edge for being respectively arranged at the pair of cloth band member (21) and the one side for being formed at the pair of cloth band member (21).The liquid-tight layers (23) are formed with interval on the width of the zipper cloth belt (20) with the core (22).The chain tooth (31) is installed on the core (22).

Description

Liquid-tight slide fastener
It is on November 30th, 2009, Application No. 200980162676.8, entitled " liquid-tight that the application is the applying date The divisional application of the application of slide fastener and its manufacture method ".
Technical field
The present invention relates to a kind of liquid-tight slide fastener and its manufacture method.
Background technology
As is known in the art, liquid-tight slide fastener includes a pair of fastener tapes and is formed from a resin and in this pair of slide fastener Injection molding chain tooth in the cloth belt edge of strap, in this pair of zipper cloth belt, the core for expanding shape is formed in a pair of strap structures In the relative cloth belt edge of part, cloth band member is all coated with the liquid-tight layers manufactured by synthetic resin to avoid infiltration.In liquid In close slide fastener, when slide fastener is closed by the way that chain tooth is engaged with each other, the liquid-tight layers of the top of chain tooth and relative zipper cloth belt Contact to realize watertightness (such as patent document 1).
Prior art literature
Patent document
Patent document 1:Japanese real public clear 63-013687 publications
The content of the invention
Problems to be solved by the invention
When cloth band member is all coated with liquid-tight layers, chain tooth is formed in corresponding liquid-tight layers.If chain tooth and liquid-tight Fixing intensity between layer is not enough, then chain tooth may depart from from zipper cloth belt.For this reason, in patent document 1 In the liquid-tight slide fastener of description, form through hole at the edge of zipper cloth belt and chain tooth is formed by through hole, so that chain tooth is firm Be installed on zipper cloth belt.
However, in the liquid-tight slide fastener of the description of patent document 1, due to forming through hole in zipper cloth belt, if chain thread form Cheng Yu through holes dislocation position, then watertightness be compromised.Accordingly, it would be desirable to accurately position chain tooth.In addition, it is difficult to expand The core of shape forms liquid-tight layers.If the core deformation when liquid-tight layers are formed, the installation strength of chain tooth may decline.
The present invention take into account above-mentioned situation, and it is an object of the invention to provide a kind of liquid-tight slide fastener and provide its manufacture Method, no matter chain tooth is formed at where, the liquid-tight slide fastener can fully ensure watertightness, and the liquid-tight slide fastener can be fully Ensure that chain tooth is installed on the installation strength of zipper cloth belt.
The scheme for solving problem
Above-mentioned purpose of the invention is realized by being constructed as below:
(1) a kind of liquid-tight slide fastener, it is characterised in that:A pair of fastener tapes, the pair of zipper cloth belt includes a pair of straps Component, the relative cloth belt edge for being separately positioned on the pair of cloth band member and the core expanded from the cloth band member, point The liquid-tight layers of the one side of the pair of cloth band member are not formed at;A pair of chain dentures, the pair of chain denture is respectively arranged at institute State a pair of fastener tapes and including multiple chain tooths;And pull head, the pull head makes the pair of chain denture be engaged with each other and take off each other From engagement;Wherein described liquid-tight layers are formed with interval, and the chain on the width of the zipper cloth belt with the core Tooth is installed on the core.
(2) according to the liquid-tight slide fastener described in (1), it is characterised in that the chain tooth has and is installed on the core and described The base portion of cloth band member, and the liquid-tight layers and the chain tooth the base in contact.
(3) the liquid-tight slide fastener according to (1), it is characterised in that waterproofing agent or oil-proofing agent are attached to the strap structure Part, the core, the liquid-tight layers and the chain tooth.
(4) according to the liquid-tight slide fastener described in (1), it is characterised in that the chain tooth has and is installed on the core and described The base portion of cloth band member, and in the side of the corresponding liquid-tight layers of formation of each cloth band member, each base portion in corresponding core The area that scope between portion and corresponding liquid-tight layers is formed in the part above corresponding cloth band member is more than corresponding base portion The part being formed in above corresponding liquid-tight layers area.
(5) the liquid-tight slide fastener according to (1) or (2), it is characterised in that each liquid-tight layers is each corresponding core side Individual edge is formed as exceeding the corresponding of the flange of the pull head towards corresponding core on the width of the liquid-tight layers Outer end.
(6) a kind of manufacture method of liquid-tight slide fastener, the liquid-tight slide fastener include a pair of fastener tapes, be respectively arranged at it is described A pair of fastener tapes and a pair of chain dentures including multiple chain tooths and the pair of chain denture is set to be engaged with each other and be disengaged from nibbling The pull head of conjunction, wherein the zipper cloth belt is included in continuous a pair of cloth band member on the longitudinal direction of the zipper cloth belt, respectively shape The core that is expanded into the relative cloth belt edge in the pair of cloth band member and from the cloth band member and it is respectively formed in institute A pair of liquid-tight layers of the one side of cloth band member are stated, the manufacture method includes:Institute is formed in the one side of the cloth band member State liquid-tight layers;Chain tooth described in injection moulding, thus produces on the zipper cloth belt of the liquid-tight layers with abovementioned steps The zip strip of sequential like;The zip strip is attached to by waterproofing agent or oil-proofing agent.
The effect of invention
Liquid-tight slide fastener of the invention, due to need not be logical on zipper cloth belt by being formed in as prior art Hole forms chain tooth, therefore, it is possible to substantially ensure that the watertightness of liquid-tight slide fastener regardless of the position of chain dentification.Further, since can On cloth band member formed liquid-tight layers without cause core deformation, therefore, it is possible to fully ensure chain tooth be installed on be provided with it is liquid-tight The installation strength of the zipper cloth belt of layer.
Brief description of the drawings
Fig. 1 is the figure of the positive side of the first embodiment for showing liquid-tight slide fastener of the invention;
Fig. 2 is the figure of the dorsal part of the liquid-tight slide fastener shown in Fig. 1;
Fig. 3 is the positive side figure of the periodontal amplification of chain shown in Fig. 1;
Fig. 4 is the sectional view at line A-A in Fig. 3;
Fig. 5 is the stereogram of the periodontal amplification of the chain being disengaged from;
Fig. 6 is the figure of the positive side of the periodontal amplification of the chain being disengaged from;
Fig. 7 is the figure of the dorsal part of the periodontal amplification of the chain being disengaged from;
Fig. 8 is the sectional view at line B-B in Fig. 6;
Fig. 9 is the front elevation of the amplification of the variation of the liquid-tight slide fastener for showing first embodiment;
Figure 10 is the figure of the positive side of the periodontal amplification of chain, its second embodiment party for showing liquid-tight slide fastener of the invention Formula;
Figure 11 is the sectional view at line C-C in Figure 10;
Figure 12 is the figure of the positive side of the periodontal amplification of the chain being disengaged from;
Figure 13 is the flow chart of the manufacture method for showing liquid-tight slide fastener of the invention;
Figure 14 be show chain tooth be injection molded before zipper cloth belt amplification sectional view;
Figure 15 is the sectional view of the amplification for showing to be arranged in the zipper cloth belt of mould inside.
Specific embodiment
Describe the various implementation methods of liquid-tight slide fastener of the invention in detail below with reference to accompanying drawing.In following description In, for zipper cloth belt, positive side refers to that (pull head 40 i.e. as will be described below is provided with drawing for the nearside of the paper on Fig. 1 The side of piece 46), dorsal part refers to the distally (drawing for being not provided with Fig. 1 of pull head 40 i.e. as will be described below of the paper on Fig. 1 The dorsal part of piece 46), front side refers to that (pull head 40 i.e. as will be described below is pulled with by slide fastener for the upside of the paper on Fig. 1 The direction side of 10 engagement of chain denture 30), rear side refers to the downside (pull head 40 i.e. as will be described below of the paper on Fig. 1 It is pulled with so that the direction side that is disengaged from of chain tooth 30), left side refers to the left side of the paper on Fig. 1, and right side refers on Fig. 1 (left and right directions can also be referred to as the width of zipper cloth belt 20, and above-below direction is also referred to as drawing the right side of paper The longitudinal direction of chain strap 20).In figure, positive side is represented by Hs, dorsal part is represented by Bs, front side is represented by Fr, rear side is represented by Rr, by L represents left side, and represents right side by R.In addition, for pull head, the positive side of zipper cloth belt is referred to as upside, and zipper cloth belt the back of the body Side is referred to as downside.
(first embodiment)
First, referring to figs. 1 to Fig. 9, the first embodiment of liquid-tight slide fastener of the invention will be described.
As depicted in figs. 1 and 2, the liquid-tight slide fastener 10 of present embodiment includes left and right a pair of fastener tapes 20, is respectively provided with Left and right a pair of chains denture 30 in left and right zipper cloth belt 20 and the engagement so that left and right chain denture 30 is engaged with each other and is disengaged from Pull head 40.Moved in front and rear direction by by pull head 40, left and right chain denture 30 is engaged with each other and is disengaged from engaging. In Fig. 1, reference 11 refer to upper end stop, reference 12 represent detachable end stop, the detachable end stop including insertion pin 12a, Box pin 12b and casing 12c.Bottom can be installed to stop replacing detachable end to stop 12.In addition, the reference 13 in Fig. 2 is represented and added Strong film.
As shown in Figures 1 to 4, left and right a pair of fastener tapes 20 is included on the longitudinal direction of zipper cloth belt 20 continuous and is drawing A pair of cloth band members 21 being arranged in parallel on the width of chain strap 20, the relative cloth for being separately positioned on cloth band member 2 Belt edge and thick on the positive back of the body direction of cloth band member 21 expand the core 22 of shape and be respectively formed at left and right a pair of straps structure The liquid-tight layers 23 of the positive side of part 21.
In the present embodiment, as shown in Fig. 5 to Fig. 8, each liquid-tight layers 23 on the width of zipper cloth belt 20 with Core 22 is formed with interval.Therefore, strap exposed division 24 is formed between core 22 and liquid-tight layers 23, wherein in cloth Cloth band member 21 is exposed to positive side in band exposed division 24.In addition, being bonded in cloth band member 21 or by inciting somebody to action by by film material Molten resin is thinly coated on cloth band member 21 and forms liquid-tight layers 23 to be coated with cloth band member 21 using molten resin. The cloth band member 21 of liquid-tight layers to be formed 23 is, for example, fabric thereon.Because plain weave has preferable outward appearance, it is therefore preferred to big Cause is made into the braiding of the identicals such as 1-1 plain weaves, 2-2 plain weaves or twill weave on the whole width of strap.Certainly, cloth band member 21 can be knitting.By weaving (knitting) core thicker than cloth band member 21 during the braiding of cloth band member 21 (knitting) Material and make core 22.It is membranaceous by what is be made in the thermoplastic synthetic resin (thermoplastic elastomer (TPE)) with rubber elastomer characteristics Application of adhesive and it is bonded in cloth band member 21 and is made liquid-tight layers 23 on material.
The left and right chain denture 30 of each pair includes multiple chain tooths 31.By core 22 and cloth band member in zipper cloth belt 20 Injection moulding such as polyamide, polyformaldehyde (polyacetal), polypropylene, polybutylene terephthalate (PBT) or the like on 21 And form chain tooth 31.
As shown in Fig. 5 to Fig. 8, the positive sidepiece 32A and arrangement of the positive side for being arranged in zipper cloth belt 20 of each chain tooth 31 It is integrally formed in the drosal part 32B of the dorsal part of zipper cloth belt 20.
Positive sidepiece 32A has the first base portion 33 for being installed on core 22, strap exposed division 24 and liquid-tight layers 23 and from first Base portion 33 towards to extend to (counterpart) zipper cloth belt 20 and with the EDGE CONTACT to the core 22 to zipper cloth belt 20 The first head 34.
Drosal part 32B has the second base portion 35 of the dorsal part for being installed on core 22 and cloth band member 21, from the second base portion 35 Towards to the second head 36 for extending to zipper cloth belt 20 and being engaged with the drosal part 32B of adjacent chain tooth 31 and being formed at Between second base portion 35 and the second head 36 and the neck 37 narrower than the second head 36 of width in the longitudinal direction.
In the present embodiment, as shown in fig. 6, first base portion 33 of positive sidepiece 32A is formed on strap exposed division 24 The area A1 of the part of side is set as the area of the part for being formed at the top of liquid-tight layers 23 of the first base portion 33 than positive sidepiece 32A A2 is big.
As shown in Figure 1, Figure 2 and Figure 4, pull head 40 includes being spaced apart from each other in the vertical direction and configuration parallel to each other Upper piece 41 and bottom sheet 42, in the way of being projected upwards in side adjacent to each other along upper piece 41 left and right edges and a left side for bottom sheet 42 Right hand edge set a pair or so flanges 43, the front end of upper 41 and bottom sheet 42 connect upper piece 41 and bottom sheet 42 guide pillar 44, The pulling-on piece installation portion 45 for being arranged at pieces 41 upper surface is, the pulling-on piece 46 for being rotatably installed on pulling-on piece installation portion 45.Flange 43 The end of the base portion 33 and 35 of chain tooth 31 is slidably contacted with the outside (opposition side of head 34 and 36) of width.Pass through After this mode, is formed at the front side of pull head 40 by the left and right shoulder mouth 47 that guide pillar 44 is separated, and rear mouth 48 is formed at pull head 40 Side.Have in the way of to connect left and right shoulder mouth 47 and rear mouth 48 generally y-shaped chain tooth guiding channel 49 be arranged on upper piece 41 and under Between piece 42.Chain tooth guiding channel 49 constitutes left and right a pair of chains denture 30 by passage used.By this construction, from it is left, Right shoulder mouth 47 enters the chain tooth 31 of chain tooth guiding channel 49 due to the slip of pull head 40 towards the movement of rear mouth, so as to it is relative Chain denture 30 is engaged.In the case of separation, move in the opposite manner.
In the present embodiment, as shown in Fig. 4 to Fig. 8, the respective edge in the side of corresponding core 22 of liquid-tight layers 23 23a is formed on the width of liquid-tight layers 23 to exceed the corresponding of left and right a pair of flanges 43 towards corresponding core 22 Outer end.
In addition, in the present embodiment, waterproofing agent or oil-proofing agent are attached to zipper cloth belt 20 and chain denture 30.In order to attached The zip strip of waterproofing agent or oil-proofing agent, plurality of zipper cloth belt 20 and the continuous sequential like of multiple chain dentures 30 (fastener chain) is dipped into and is filled with the bucket of waterproofing agent or oil-proofing agent.Afterwards, waterproofing agent or oil-proofing agent is made to dry simultaneously Heating zip strip is attached to zip strip with by waterproofing agent or oil-proofing agent.The waterproofing agent for adhering to by this way prevents water by no shape Partially absorbing or immerse the part into liquid-tight layers 23, therefore fully ensure that watertightness.
As described above, according to the liquid-tight slide fastener 10 of present embodiment, due to liquid-tight layers 23 in the direction of the width with core 22 Interval is formed with, and chain tooth 31 is installed in core 22 and cloth band member 21, therefore not necessarily like prior art like that by being formed Through hole in zipper cloth belt forms chain tooth.Therefore, it is possible to sufficiently ensure the watertightness of liquid-tight slide fastener 10, but regardless of chain tooth 31 The position of formation.
In addition, according to the liquid-tight slide fastener 10 of present embodiment, because liquid-tight layers 23 and core 22 are formed with interval, therefore energy It is enough that liquid-tight layers 23 are formed on cloth band member 21 in the case where deforming core 22.Therefore, it is possible to fully ensure chain tooth 31 installation strengths for being installed on the zipper cloth belt 20 for being provided with liquid-tight layers 23.
In addition, according to the liquid-tight slide fastener 10 of present embodiment, because the formation of the first base portion 33 of each chain tooth 31 is in place The area A1 of the part of the top of strap exposed division 24 between corresponding core 22 and corresponding liquid-tight layers 23 is big In the area A2 of the part for being formed at the top of corresponding liquid-tight layers 23 of the first base portion 33 of corresponding chain tooth 31, therefore, each The major part of the first base portion 33 of chain tooth 31 is formed at can easily be adhered to relative to the synthetic resin of liquid-tight layers 23 accordingly Cloth band member 21 on.Therefore, it is possible to improve the installation strength that chain tooth 31 is installed on zipper cloth belt 20.
In addition, according to the liquid-tight slide fastener 10 of present embodiment, each liquid-tight layers 23 in the respective of the side of corresponding core 22 Edge 23a be formed on the width of liquid-tight layers 23 to exceed towards corresponding core 22 left and right a pair of pull head 40 The corresponding outer end of flange 43.Therefore, when pull head 40 is by movement, the edge 23a of liquid-tight layers 23 is located at the inboard side of flange 43 To.This causes that the edge 23a of liquid-tight layers 23 is difficult to be blocked by flange 43 when pull head 40 is slided, it is ensured that using for a long time Durability.
As shown in figure 9, as modified embodiment of the present embodiment, positioned at the core 22 of corresponding cloth band member 21 and corresponding The part of the strap exposed division 24 between liquid-tight layers 23 can be formed without warp region, and this has been without warp region The full fabric being made up of without warp parallel.In such cases, the synthetic resin of chain tooth 31 is by without warp region so that First base portion 33 and the second base portion 35 are coupled to each other on positive back of the body direction, thus further improve chain tooth 31 and are installed on zipper cloth belt 20 installation strength.Can be by weaving water-soluble warp in woven cloth band member 21, then will for example in dyeing treatment Water-soluble warp dissolves and is formed without warp region.
Liquid-tight layers 23 are to be prevented from the superimposed portions that the liquid such as water or oil pass through.In addition, using rainmaking device Tested by rainwater and determine watertightness, drenched on the liquid-tight slide fastener 10 in engagement in rainwater test reclaimed water, and flow through The water (weight) of liquid-tight slide fastener 10 and the water (weight) that is included in liquid-tight slide fastener 10 are both compared with reference value. In some cases, the expectation watertightness of liquid-tight slide fastener 10 can be applied with liquid-tight slide fastener 10 occasion or the demand of customer and become Change, therefore in the present invention, the water in flowing through or being included in slide fastener can determine have relative to common slide fastener hour Watertightness.
(second embodiment)
The explanation of the second embodiment of liquid-tight slide fastener of the invention is given below with reference to Figure 10 to Figure 12.For With the same or analogous part of part of above-mentioned first embodiment of the invention, the identical used in whole accompanying drawings is attached Icon is remembered and the explanation to these parts is omitted or simplified.
In the liquid-tight slide fastener 10 of present embodiment, as shown in Figure 10 to Figure 12, instead of chain denture 30, respectively in zipper cloth Injection moulding chain denture 50 on band 20.
Each chain denture 50 includes multiple chain tooths 51.Each chain tooth 51 is provided with the base for being installed on corresponding core 22 Portion 52, from base portion 52 towards the head 53 to extending to zipper cloth belt 20 and being engaged with adjacent chain tooth 51, be formed in base portion 51 The neck 54 narrower than head 53 of width and head 53 between and in the longitudinal direction, between base portion 52 and neck 54 front and rear A pair of plate-shaped shoulder 55 that both sides are formed on direction, the leading edge that head 53 is formed in along fore-and-aft direction with receive to chain The shoulder grafting of the shoulder 55,55 of tooth 51,51 receives recess 56.In the present embodiment, although head 53 is not contacted to zipper cloth belt The edge of 20 core 22, but it is attached to the waterproofing agent waterproof of zipper cloth belt 20.Therefore, compared to the drawing of unattached waterproofing agent Chain, it is believed that present embodiment has fluid tight.
In addition, in the present embodiment, as shown in Figure 10 to Figure 12, interval S1 is formed at the base portion 52 of each chain tooth 51 And corresponding liquid-tight layers 23 between, strap exposed division 24 is exposed to positive side by interval S1.
Other building blocks are identical with the building block of first embodiment.
In addition, the zipper cloth belt 20 of first embodiment may be structured to the zipper cloth belt of second embodiment.Second In implementation method, the base portion 52 and corresponding liquid-tight layers 23 of each chain tooth 51 can contact with each other.By this construction, can increase The scope of liquid-tight layers 23.In addition, for the slide fastener, the thickness of each cloth band member 21 is about the thickness of corresponding core 22 The half of (size on n- back of the body direction), and each liquid-tight layers 23 thickness be about corresponding cloth band member 21 thickness 1/6.Specifically, the thickness of each core 22 is about 1.3mm, and the thickness of each cloth band member 21 is about 0.65mm, and respectively The thickness of individual liquid-tight layers 23 is about 0.1mm.In the first embodiment, the part of each liquid-tight layers 23 by mold 61 and under Mould 62 is extruded, therefore the thickness of the thickness substantially with each cloth band member 21 of the part is identical.
With reference now to Figure 13, provide the method for manufacturing liquid-tight slide fastener of the invention.
In the manufacture method of present embodiment, first, such as the step of Figure 13 shown in S1, liquid-tight layers 23 are formed at strap The surface of component 21.Then, as shown in step s 2, the zipper cloth belt of the liquid-tight layers 23 by being manufactured in the treatment before having 20 edge injection moulding chain tooth 31 (51) and prepare the zip strip of sequential like.Then, as shown in step S3, by waterproofing agent or anti- Finish is attached to zip strip.The all of cloth band member 21, core of zipper cloth belt 20 is attached to due to waterproofing agent or oil-proofing agent 22 and liquid-tight layers 23 and chain tooth 31 (51), it is possible to further enhancing waterproof/grease proofing effect.Afterwards, as shown in step s 4, By upper end stop 11, detachable end stop 12 and pull head 40 be installed on zip strip.In addition, as shown in step s 5, in precalculated position severing Zip strip, thus manufactures the liquid-tight slide fastener 10 of present embodiment.Meanwhile, the order of the treatment of step S1 and the treatment of step S2 can With in turn.That is, liquid-tight layers 23 can be formed at cloth band member 21 after chain tooth 31 (51) is formed at zipper cloth belt 20.
In addition, as the method for injection moulding chain tooth in S2 the step of Figure 13 31 (51), as shown in Figure 14 to Figure 15, leading to Cross and be arranged to zipper cloth belt 20 to be extruded between the mold 61 and lower mould 62 of mould 60, then inject molten resin Chain tooth 31 (51) is formed on zipper cloth belt 20 to the die space 63 limited between mold 61 and lower mould 62.Together When, as shown in figure 8, liquid-tight layers 23 are inserted between mold 61 and lower mould 62 and extrude therebetween, thus substantially with Cloth band member 21 is flushed.
Liquid-tight slide fastener 10 is used in the winter wears such as anorak, anorak and overcoat, bag or similar products.Liquid-tight slide fastener 10 The base material of clothes or bag is installed in the way of liquid-tight layers 23 is exposed to outside.Therefore, positioned at base material dorsal part part It is configurable to not form liquid-tight layers 23.
Description of reference numerals
10 liquid-tight slide fasteners
20 zipper cloth belts
21 cloth band members
22 cores
23 liquid-tight layers
23a edges
24 strap exposed divisions
30th, 50 chain denture
31st, 51 chain tooth
The positive sidepieces of 32A
32B drosal parts
33 first base portions
34 first heads
40 pull heads
43 flanges
A1 areas
A2 areas.

Claims (6)

1. a kind of liquid-tight slide fastener, it includes:
A pair of fastener tapes (20), the pair of zipper cloth belt (20) is including a pair of cloth band members (21) and is separately positioned on institute State a pair of relative cloth belt edges of cloth band member (21) and the core (22) expanded from the cloth band member (21);
A pair of chain dentures (30), the pair of chain denture (30) is respectively arranged at the pair of zipper cloth belt (20), the pair of Chain denture (30) includes multiple chain tooths (31);With
Pull head (40), the pull head (40) makes the pair of chain denture (30) be engaged with each other and be disengaged from engaging,
Wherein, each chain tooth (31) is respectively provided with the first base portion (33) for being installed on the corresponding core (22) and from described First base portion (33) towards to the zipper cloth belt (20) extend the first head (34),
The liquid-tight slide fastener is characterised by:
The pair of zipper cloth belt (20) including being only formed at the liquid-tight layers (23) of the pair of cloth band member (21) respectively;
First head (34) be configured to to the zipper cloth belt (20) to the core (22) side Edge is contacted;And
First base portion (33) is formed at the corresponding core (22) and the corresponding liquid-tight layers (23).
2. liquid-tight slide fastener according to claim 1, it is characterised in that
The liquid-tight layers (23) are only formed at the positive side of the pair of cloth band member (21) respectively.
3. liquid-tight slide fastener according to claim 1 and 2, it is characterised in that
Each chain tooth (31) includes the positive sidepiece (32A) of the positive side for being arranged in the pair of cloth band member (21) and is arranged in The drosal part (32B) of the dorsal part of the pair of cloth band member (21),
The positive sidepiece (32A) has first base portion (33) and first head (34), and
The drosal part (32B) have be installed on the second of the corresponding core (22) and the corresponding cloth band member (21) Base portion (35), from second base portion (35) towards to the zipper cloth belt (20) extend and be configured to to Second head (36) of drosal part (32B) engagement of the chain tooth (31) and it is formed at second base portion (35) and described the Chi of the size less than second head (36) between two heads (36) and on the length direction of the zipper cloth belt (20) Very little neck (37).
4. liquid-tight slide fastener according to claim 3, it is characterised in that
The liquid-tight layers (23) contact with first base portion (33), but do not contact with second base portion (35).
5. liquid-tight slide fastener according to claim 1 and 2, it is characterised in that
By the injection moulding synthetic resin on the core (22) and the cloth band member (21) of the zipper cloth belt (20) And form the chain tooth (31).
6. liquid-tight slide fastener according to claim 1 and 2, it is characterised in that
The pull head (40) including be spaced apart from each other and configuration parallel to each other upper piece (41) and bottom sheet (42), mutually to lean on The mode that near side projects upwards is set along the left and right edges of upper piece (41) and the left and right edges of the bottom sheet (42) A pair or so flanges (43), the front end connection in the front end and the bottom sheet (42) of upper piece (41) upper piece (41) and the institute The guide pillar (44) of stating bottom sheet (42), the pulling-on piece installation portion (45) of the upper surface for being arranged at upper piece (41) and rotationally pacify It is filled to the pulling-on piece (46) of the pulling-on piece installation portion (45) so that with generally y-shaped and connect right and left shoulders mouth (47) and rear mouth (48) chain tooth guiding channel (49) be arranged on it is described upper piece between (41) and the bottom sheet (42),
Each edge (23a) in corresponding core (22) side of each liquid-tight layers (23) is formed as in the zipper cloth belt (20) the corresponding outer end on width towards the corresponding core (22) more than the pair of left and right flange (43).
CN201510082398.2A 2009-11-30 2009-11-30 Liquid-tight slide fastener Active CN104585980B (en)

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CN200980162676.8A CN102639022B (en) 2009-11-30 2009-11-30 Liquid-tight slide fastener and manufacturing method therefor
CN201510082398.2A CN104585980B (en) 2009-11-30 2009-11-30 Liquid-tight slide fastener

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CN109875188A (en) * 2019-03-22 2019-06-14 开易(广东)服装配件有限公司 Slot and its product containing novel mounting structure
WO2023245465A1 (en) * 2022-06-22 2023-12-28 浙江华圣达拉链科技有限公司 Zipper
WO2023245466A1 (en) * 2022-06-22 2023-12-28 浙江华圣达拉链科技有限公司 Zipper

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FR2031971A5 (en) * 1969-02-14 1970-11-20 Piel Ets Sealed slide fastener
US4520535A (en) * 1982-05-07 1985-06-04 Yoshida Kogyo K. K. Slide fastener having discrete coupling elements
JPS6313687Y2 (en) * 1982-05-19 1988-04-18
CN1879518A (en) * 2005-05-20 2006-12-20 Ykk株式会社 Slide fastener chain
CN101444347A (en) * 2007-11-30 2009-06-03 Ykk株式会社 Slider for a slide fastener
CN101617876A (en) * 2008-06-30 2010-01-06 Ykk株式会社 Slide fastener

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2031971A5 (en) * 1969-02-14 1970-11-20 Piel Ets Sealed slide fastener
US4520535A (en) * 1982-05-07 1985-06-04 Yoshida Kogyo K. K. Slide fastener having discrete coupling elements
JPS6313687Y2 (en) * 1982-05-19 1988-04-18
CN1879518A (en) * 2005-05-20 2006-12-20 Ykk株式会社 Slide fastener chain
CN101444347A (en) * 2007-11-30 2009-06-03 Ykk株式会社 Slider for a slide fastener
CN101617876A (en) * 2008-06-30 2010-01-06 Ykk株式会社 Slide fastener

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