CN104257091A - Improvement of nylon double-layer toothed zipper or nylon single-layer toothed reversed zipper sewed to case - Google Patents

Improvement of nylon double-layer toothed zipper or nylon single-layer toothed reversed zipper sewed to case Download PDF

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Publication number
CN104257091A
CN104257091A CN201410518568.2A CN201410518568A CN104257091A CN 104257091 A CN104257091 A CN 104257091A CN 201410518568 A CN201410518568 A CN 201410518568A CN 104257091 A CN104257091 A CN 104257091A
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CN
China
Prior art keywords
zipper
nylon
bag
case
pad
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410518568.2A
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Chinese (zh)
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CN104257091B (en
Inventor
王联洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GENMORE (ZHEJIANG) ZIPPER Corp
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GENMORE (ZHEJIANG) ZIPPER Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201410518568.2A priority Critical patent/CN104257091B/en
Priority to US14/585,327 priority patent/US20160095405A1/en
Publication of CN104257091A publication Critical patent/CN104257091A/en
Priority to JP2015002046A priority patent/JP2016073614A/en
Application granted granted Critical
Publication of CN104257091B publication Critical patent/CN104257091B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/42Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00Details; Accessories
    • A45C13/10Arrangement of fasteners
    • A45C13/1023Arrangement of fasteners with elongated profiles fastened by sliders
    • A45C13/103Arrangement of zip-fasteners
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/24Details
    • A44B19/32Means for making slide fasteners gas or watertight
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00Rigid or semi-rigid luggage
    • A45C5/02Materials therefor

Landscapes

  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Bag Frames (AREA)

Abstract

The invention discloses an improvement of a nylon double-layer toothed zipper or a nylon single-layer toothed reversed zipper sewed to a case and aims to provide a technical improvement scheme through which the structure is simple, the connection is reliable and the nylon double-layer toothed zipper or the nylon single-layer toothed reversed zipper sewed to the case can be smoothly opened, closed and pulled. With the adoption of the technical scheme, the tail end of a zipper cloth tape of the nylon double-layer toothed zipper or the nylon single-layer toothed reversed zipper and a liner and a cushioning component of the case are sewed together in an aligned mode, a distance or gap channel which is enough to contain the spatial form volume from the lower half part of the zipper head to the bottom plate is formed after sewing due to the cushioning component, the function of smoothly and safely pulling the zipper head in a non-hindered mode is realized, and the functions and quality of the case are improved.

Description

Nylon zipper with double layer of teeth or nylon individual layer tooth is counter wears the improvement of slide fastener sewing on case and bag
Technical field
The present invention refers to that a kind of nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of case and bag, to be obtained by the thick assembly of pad that slide fastener is not only smooth pulls slider of zipper fastener but also the function of safety anti-explosive in particular to a kind of, improve and promote the function of case and bag and the correlation technique of quality.
Background technology
Traditional nylon zipper 1 is individual layer tooth as shown in Figure 1, when its sewing is in duricrust case and bag or soft cloth case and bag, during with zipper cloth belt 11 horizontal datum, the size of case and bag liner 10 spatial joint clearance also has enough positions, allows the lower shoe 121 of slider of zipper fastener 12 to pass through as shown in Figure 1 smoothly in the gap of thickness direction.But when on case and bag used be individual layer nylon zipper 1' be reverse side penetrator time, because sprocket 13' is below zipper cloth belt 11', through sewing in hard or soft case and bag time, cause the gap of zipper cloth belt 11' and case and bag liner (fabric) 10' as shown in Figure 2 too small, make the thickness of sprocket 3' below zipper cloth belt 11' is horizontal, and the cavity reverse design of slider of zipper fastener 12', therefore the thickness of its lower shoe 121' adds the thickness of sprocket 13', both gross thickness, just cannot be contained in the passage of zipper cloth belt 11' and case and bag liner 10' spacing.Namely sprocket 13' is thick when adding that the lower shoe 121' thickness of slider of zipper fastener 12' is greater than the spacing passage of the liner 10' being sewn zipper cloth belt 11' and case and bag, the interference of lower shoe 121' and case and bag liner 10 will be caused, and hinder the movement of slider of zipper fastener 12', especially at the angle position of case and bag, because zipper cloth belt 11' is when being tightened power, the liner 10' of case and bag and the spacing passage of zipper cloth belt 11' can be less, therefore cause slider of zipper fastener 12' to slide bad, also can produce quick-fried tooth phenomenon during hard draw.If in like manner use the structure of zipper with double layer of teeth 2 as shown in Figure 3 on case and bag, be also zipper cloth belt 21 placed in the middle between spacing passage, there is case and bag corner slider of zipper fastener equally and to be obstructed the defect being difficult to slide.The floor map that after being illustrated in figure 3 the conventional n-type bar sewing of duricrust case and bag, Form-space blocks, liner (fabric) 20 material of this kind of duricrust case and bag is based on materials such as PP/ABS/PC, and its conventional n-type bar 3 is the materials such as PVC or TPU, and there is upper strata 31, intermediate layer 32 and lower floor 33, its threeply degree is roughly the same, also has the shortcoming hindering in case and bag corner and be difficult to walk.Slide fastener for above-mentioned two kinds of forms is used on case and bag, all there is the situation that slider of zipper fastener can not smooth and easyly pull, all need the anti-structure of wearing slide fastener of nylon zipper with double layer of teeth or nylon individual layer tooth to being sewn in case and bag to make improvements, but there is no suitable structure at present and can solve.
Summary of the invention
The object of this invention is to provide a kind of structure simple, connect reliable, make sewing can the Technological improvement plan that pulls of folding smoothly in the nylon zipper with double layer of teeth of case and bag or the anti-slide fastener of wearing of nylon individual layer tooth.
In order to reach above-mentioned requirements, nylon zipper with double layer of teeth or nylon individual layer tooth is counter wears the technical scheme that slide fastener sewing adopts in the improvement of duricrust case and bag and be: align stitching together with this nylon zipper with double layer of teeth or the anti-liner three wearing the zipper cloth belt of slide fastener and the intermediate layer of N-type bar and duricrust case and bag of nylon individual layer tooth; It is characterized in that: the intermediate layer of described N-type bar is provided with the thick assembly of pad, stitching is aligned together with the liner of duricrust case and bag by the intermediate layer of zipper cloth belt, N-type bar, make to sew up rear formation and be enough to hold slider of zipper fastener Lower Half to the spacing of the spatial shape volume of base plate or clearance channel, and the thick assembly of wherein said pad is the intermediate layer forming in N-type bar one, and intermediate layer is made to have pad thick structure.
Described nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth, in the improvement of duricrust case and bag, is characterized in that the width of two relative distances after the wherein thick assembly stitching of this pad should be greater than the width of the widest part of slider of zipper fastener body.
In order to reach above-mentioned requirements, nylon zipper with double layer of teeth or nylon individual layer tooth is counter wears the technical scheme that slide fastener sewing adopts in the improvement of soft shell case and bag and be: this Buddhist nun's zipper with double layer of teeth or the anti-end wearing the zipper cloth belt of slide fastener of nylon individual layer tooth align stitching together with the liner of case and bag; It is characterized in that: stitching is formed afterwards be enough to hold slider of zipper fastener Lower Half to the spacing of the spatial shape volume of base plate or clearance channel by the pad thick assembly aligning stitching together.
Described nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth, in the improvement of soft shell case and bag, is characterized in that wherein the thick assembly of this pad is the below of the lateral end being placed in zipper cloth belt, and align stitching together with the liners of soft shell case and bag.
Described nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of soft shell case and bag, it is characterized in that wherein the thick assembly of this pad is the below of the part bending down of the lateral end being placed in zipper cloth belt, and the upper fabric of soft shell case and bag liner cloth is the top being positioned at described part bending down, and the below of the thick assembly of this pad is then cloth iron clad frame and the liner cloth of aforementioned liner.
Described nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth, in the improvement of soft shell case and bag, is characterized in that wherein the thick assembly of this pad is the soft filler strip that suture needle can be pierced through, and are flexible glue bar or foamed plastic bar material.
Described nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of soft shell case and bag, and after it is characterized in that wherein this pad thick assembly stitching, the width of corresponding distance is the width of the widest part being greater than slider of zipper fastener body.
According to above-mentioned nylon zipper with double layer of teeth or nylon individual layer tooth is counter wears the modified node method of slide fastener sewing at case and bag, namely when described case and bag are duricrust case and bag, the thick assembly of this pad is the intermediate layer being integrally formed in N-type bar, intermediate layer is had and thickens structure, and described case and bag are when being soft shell case and bag, the thick assembly of this pad be placed in zipper cloth belt end edge below sew up together.By the thick assembly of pad aligning stitching together, stitching is formed afterwards to be enough to hold spacing (gap) passage of slider of zipper fastener Lower Half to the space state volume of base plate, especially in the corner of case and bag, though slide fastener is bent and strains, but still have foot in holding the kenel space of slider of zipper fastener Lower Half to the volume of lower shoe, and then smooth the pulling of acquisition pull head energy is not obstructed and the function of safety, improves and improve function and the quality of case and bag.
Accompanying drawing explanation
Fig. 1 is the part sectional schematic diagram that existing nylon individual layer tooth is just being worn slide fastener and soft shell case and bag and sewed up;
To be that existing nylon individual layer tooth is counter wear after slide fastener and soft shell trunk cart sew up Fig. 2, the state diagram that the lower shoe of slider of zipper fastener and liner are interfered;
Fig. 3 is after existing nylon zipper with double layer of teeth and soft shell case and bag are sewed up, the state diagram that the lower shoe of slider of zipper fastener and liner are interfered;
Fig. 4 is the schematic diagram after the zipper cloth belt of nylon zipper with double layer of teeth of the present invention is sewed up with the thick assembly of pad and hard shell trunk ladle-lining;
Fig. 5 is the schematic diagram after the zipper cloth belt of nylon zipper with double layer of teeth of the present invention is sewed up with the thick assembly of pad and soft shell case and bag liner;
Fig. 6 is the schematic diagram after the anti-zipper cloth belt wearing slide fastener of nylon individual layer tooth of the present invention is sewed up with the thick assembly of pad and soft shell case and bag liner;
Fig. 7 is the schematic diagram after the thick assembly of pad of nylon double-layered tooth explosion-proof zipper of the present invention and soft shell case and bag is sewed up.
In figure:
(1) nylon zipper; (1 ') individual layer nylon zipper; (10) (10 ') (20) liner; 11) (11 ') (21) zipper cloth belt; (12) (12 ') slider of zipper fastener; (121) (121 ') lower shoe; (13 ') sprocket; (2) zipper with double layer of teeth; (3) N-type bar (31) upper strata; (32) intermediate layer; (33) lower floor; (21) liner; (3) N-type bar; (31) upper strata;
(41) (61) (61 ') zipper cloth belt; (42) (62) (62 ') slider of zipper fastener; (421) lower shoe; (5) (5 ') soft filler strip (61) (61 ') zipper cloth belt; (611) (611 ') part bending down; (62) (62 ') slider of zipper fastener; (621) (621 ') base plate; (7) (7 ') liner; (71) (71 ') liner cloth; (711) (711 ') upper fabric; (712) below (712 '); (713) (713 ') encase the position of cloth bag frame iron; (72) (72 ') cloth iron clad frame; (8) zipper with double layer of teeth strap; (9) flat type adhesive tape.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
That the anti-slide fastener sewing of wearing of the present invention's a kind of nylon zipper with double layer of teeth or nylon individual layer tooth is in the improvement of case and bag shown in Fig. 4 to Fig. 7.No matter in view of the traditional method of the PC liner (fabric) of duricrust case and bag or liner (there is chase or the frame of plastic infantees) sewing of soft cloth case and bag, at zipper cloth belt by sewing in case and bag liner time, be defined to spacing (gap) passage of zipper cloth belt and liner, the soft filler strip such as flexible glue bar or foamed plastic bar that suitable thickness suture needle can be pierced through must be encased inside on the spacing passage of the left and right sides of pull head lower shoe, as the thick assembly of pad, and align together through the liner three of zipper cloth belt and plastics soft gasket and fabric case and bag and sewed up, to reach the space kenel of zipper cloth belt and liner, no matter all there is gap in the linear position of case and bag slide fastener or turning position and slider of zipper fastener Lower Half to the space kenel of lower shoe, thus obtain slide fastener not only smooth open and but also the function of safety, improve and promote using function and the quality of case and bag.This kind of innovative technology is the structure thickeied by conventional n-type bar intermediate layer, and increase the method for slider of zipper fastener Lower Half to lower shoe passage to reach, this is emphasis place of the present invention.
It is the schematic diagram that the zipper cloth belt of nylon zipper with double layer of teeth is sewed up with the thick assembly of pad and hard shell trunk ladle-lining shown in Fig. 4, its N-type bar 3 comprises upper strata 31, middle level 32 and lower floor 33, the two ends in this intermediate layer 32 and respectively on to downward-extension, to connect respectively, lower floor 31, 33, the invention is characterized in: this intermediate layer 32 be one of the forming have pad thick assembly thicken structure, when zipper cloth belt 41 aligns stitching together with the intermediate layer 32 of this N-type bar 3 and liner 21 three of case and bag, the liner 21 that this zipper cloth belt 41 and the space of the liner 21 of duricrust case and bag can be made to be greater than duricrust case and bag and slider of zipper fastener 42 Lower Half are to the thickness of its lower shoe 421, and guarantee the thickness in intermediate layer 32, even if when the corner of case and bag, though suture location is bent and strains, but still have and be large enough to hold the Form-space of slider of zipper fastener 42 Lower Half to the volume of lower shoe 421.Although this structure is simple technique thought, but because of in slide fastener field and case field, there is no discovery at present, although thus little technology but has large improvement, make nylon zipper with double layer of teeth or nylon individual layer tooth counter wear that slide fastener applies on case and bag can easily smoothly folding and not being obstructed.Solve people to wish to solve and the problem that do not solved always.
Moreover case and bag are distinguished duricrust case and bag and soft shell case and bag, duricrust case and bag use liner (fabric) material based on PP/ABS/PC etc. material, and coordinate with reference to shown in figure 3, the material of N-type bar 3 has PVC and TPU etc.; And the practice of the present invention coordinates as shown in Figure 4, be designed to for N-type bar 3 that its intermediate layer 32 is integrally formed has the thick assembly of pad, its thickness is increased to the clearance channel being enough to the thickness holding slider of zipper fastener 42 Lower Half.General double-layered tooth nylon zipper or anti-slide fastener #8 specification intima-media thickness about 3.5 millimeter of wearing the practice of individual layer tooth, #10 specification intima-media thickness about 4 millimeter, in addition, the Material selec-tion of N-type bar 3 is environmental protection level, can be pierced through normal sewing by the suture needle of case and bag sewing is essential condition, all genus environmental protection and the easy padded material that thickeies of extrusion molding or foaming or layer of cloth, can elect according to cost and waterproof quality.
Another person, soft shell case and bag configure the thick technological means as the thick assembly of pad of the soft filler strip of extrusion molding or the soft filler strip of foaming or layer of cloth pad, please coordinate with reference to shown in figure 5, it is the sectional schematic diagram that the zipper cloth belt of nylon double-layered tooth explosion-proof zipper is sewed up with the thick assembly of pad and soft shell case and bag liner, being the sectional schematic diagram that the anti-zipper cloth belt wearing slide fastener of nylon individual layer tooth is sewed up with the thick assembly of pad and soft shell case and bag liner shown in Fig. 6, is the thick assembly of the pad such as soft filler strip 5 of being first about to, 5 ' is placed in zipper cloth belt 61, below the lateral end of 61 ', and be with liner 7, the liner cloth 71 of 7 ', the upper fabric 711 of 71 ', 711 ' upper, is secondly zipper cloth belt 61, 61 ', and lower floor is the thick assembly of pad such as soft filler strip 5, 5 ', then below is cloth iron clad frame 72, 72 ' with liner cloth 71, below 71 ' 712, 712 ' aligns sewing together, i.e. the thick assembly 5 of aforementioned pad, 5 ' is be placed in zipper cloth belt 61, the part bending down 611 of the lateral end of 61 ', the below of 611 ', and liner 7, the upper fabric 711 of 7 ', 711 ' is be positioned at aforementioned part bending down 611, the top of 611 ', and the thick assembly 5 of this pad, the below of 5 ' is then liner 7, the cloth iron clad frame 72 of 7 ', 72 ' and the liner cloth 71 of liner 7 ' 7 ', below 71 ' 712, 712 ', then align sewing together, this method for designing is suitable for sewing up rear formation to be enough to hold slider of zipper fastener 62, 62 ' Lower Half is to base plate 621, spacing (gap) passage of the spatial shape volume of 621 '.Though guarantee that case and bag turning is tightened by tension force, still having uniformity to be enough to hold slider of zipper fastener 62,62 ' Lower Half volume can free-moving spacing (gap) passage, and the position 713,713 ' that the liner cloth 71,71 ' of liner 7,7 ' can be avoided to encase cloth iron clad frame 72,72 ' is worn.Another technological means is pressed shown in Fig. 7, that the cloth ora terminalis of zipper with double layer of teeth strap 81 athwartship plane is first added the thick assembly of the pad of suitable thickness, such as first flat type adhesive tape 9 and zipper with double layer of teeth strap 81 are stitched together, sew up to again case and bag factory and liner to use, guarantee that the slider of zipper fastener on case and bag slides without hindrance.
The thick assembly of pad of previous designs such as soft filler strip 5,5 ' or the filler strip sewing in intermediate layer 32 of N-type bar 3 time, except considering the passage in base plate gap, note also that the most wide degree of slider of zipper fastener 42 top view is such as shown in Fig. 4, consider the loose width being enough to hold the loosest end of slider of zipper fastener 42 Ji Xinchu of the cloth of left or right limit suture texture of horizontal direction, namely the thick assembly of left or right limit pad sew up after the width A of corresponding distance be greater than or the width W of the widest part slightly larger than slider of zipper fastener 42 body.Above actual size data can do suitably setting according to slide fastener specification size and cloth narrow bandwidth.
Each technological means in sum and method, can obtain nylon zipper with double layer of teeth or the anti-slide fastener wearing the laminating of double waterproof of individual layer tooth obtains not only smooth but also safe function.Improve the function and quality that promote case and bag.
Above said content is only preferred embodiment of the present invention, and non-limiting scope of the invention process, the equalization change that Fan Yiben technical scope is done or modification all still should belong to the scope of patent protection that the present invention is contained.

Claims (7)

1. nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in an improvement for duricrust case and bag, wherein align stitching together with this nylon zipper with double layer of teeth or the anti-liner three wearing the zipper cloth belt of slide fastener and the intermediate layer of N-type bar and duricrust case and bag of nylon individual layer tooth; It is characterized in that: the intermediate layer of described N-type bar is provided with the thick assembly of pad, stitching is aligned together with the liner of duricrust case and bag by the intermediate layer of zipper cloth belt, N-type bar, make to sew up rear formation and be enough to hold slider of zipper fastener Lower Half to the spacing of the spatial shape volume of base plate or clearance channel, and the thick assembly of wherein said pad is the intermediate layer forming in N-type bar one, and intermediate layer is made to have pad thick structure.
2. nylon zipper with double layer of teeth according to claim 1 or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of duricrust case and bag, it is characterized in that the width of two relative distances after the wherein thick assembly stitching of this pad should be greater than the width of the widest part of slider of zipper fastener body.
3. nylon zipper with double layer of teeth or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in an improvement for soft shell case and bag, and wherein this Buddhist nun's zipper with double layer of teeth or the anti-end wearing the zipper cloth belt of slide fastener of nylon individual layer tooth align stitching together with the liner of case and bag; It is characterized in that: stitching is formed afterwards be enough to hold slider of zipper fastener Lower Half to the spacing of the spatial shape volume of base plate or clearance channel by the pad thick assembly aligning stitching together.
4. nylon zipper with double layer of teeth according to claim 3 or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of soft shell case and bag, it is characterized in that wherein the thick assembly of this pad is the below of the lateral end being placed in zipper cloth belt, and align stitching together with the liner of soft shell case and bag.
5. nylon zipper with double layer of teeth according to claim 3 or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of soft shell case and bag, it is characterized in that wherein the thick assembly of this pad is the below of the part bending down of the lateral end being placed in zipper cloth belt, and the upper fabric of soft shell case and bag liner cloth is the top being positioned at described part bending down, and the below of the thick assembly of this pad is then cloth iron clad frame and the liner cloth of aforementioned liner.
6. nylon zipper with double layer of teeth according to claim 3 or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of soft shell case and bag, it is characterized in that wherein the thick assembly of this pad is the soft filler strip that suture needle can be pierced through, and are flexible glue bar or foamed plastic bar material.
7. nylon zipper with double layer of teeth according to claim 3 or the anti-slide fastener sewing of wearing of nylon individual layer tooth are in the improvement of soft shell case and bag, and after it is characterized in that the wherein thick assembly stitching of this pad, the width of two-phase respective distances is greater than the width of the widest part of slider of zipper fastener body.
CN201410518568.2A 2014-10-04 2014-10-04 Nylon zipper with double layer of teeth or nylon individual layer tooth is counter wears the improvement of slide fastener sewing on case and bag Expired - Fee Related CN104257091B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201410518568.2A CN104257091B (en) 2014-10-04 2014-10-04 Nylon zipper with double layer of teeth or nylon individual layer tooth is counter wears the improvement of slide fastener sewing on case and bag
US14/585,327 US20160095405A1 (en) 2014-10-04 2014-12-30 Thick Pad-Integrated Double-Layer Nylon Zipper or Single-Layer Nylon Reverse Zipper and Luggage Mounting Arrangement
JP2015002046A JP2016073614A (en) 2014-10-04 2015-01-08 Structure with thickening member installed in lower part of nylon double layer teeth fastener or nylon single layer teeth reversing fastener, and provided with lockstitch on bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410518568.2A CN104257091B (en) 2014-10-04 2014-10-04 Nylon zipper with double layer of teeth or nylon individual layer tooth is counter wears the improvement of slide fastener sewing on case and bag

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CN104257091A true CN104257091A (en) 2015-01-07
CN104257091B CN104257091B (en) 2016-04-27

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US (1) US20160095405A1 (en)
JP (1) JP2016073614A (en)
CN (1) CN104257091B (en)

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TWI616152B (en) * 2016-02-18 2018-03-01 Gnmo Zipper Corp Case stitching processing method for two-way corresponding positioning configuration open zipper and luggage structure for configuring double-end open zipper

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