WO2009042117A1 - Self-lubricating fasteners - Google Patents
Self-lubricating fasteners Download PDFInfo
- Publication number
- WO2009042117A1 WO2009042117A1 PCT/US2008/011012 US2008011012W WO2009042117A1 WO 2009042117 A1 WO2009042117 A1 WO 2009042117A1 US 2008011012 W US2008011012 W US 2008011012W WO 2009042117 A1 WO2009042117 A1 WO 2009042117A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- interlocking
- polymer
- rail
- self
- slip system
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
- A44B19/16—Interlocking member having uniform section throughout the length of the stringer
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/32—Means for making slide fasteners gas or watertight
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/25—Zipper or required component thereof
- Y10T24/2561—Slider having specific configuration, construction, adaptation, or material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
- Y10T24/45215—Slot and tab or tongue
Definitions
- the invention relates to interlocking rails or teeth comprised of a polymer and a slip system additive with a roughening agent and lubricant dispersed throughout the polymer.
- the self-lubricating interlocking rails or teeth are used in self-lubricating fastener devices, and in particular waterproof fastener devices for garments.
- a particular advantage is the elimination of the need to apply a lubricant to the rail at frequent intervals during its lifetime.
- Some currently commercial devices require relubrication after every ten cycles of the closure. This is inconvenient, time consuming, and can result in contamination of materials in proximity of the device.
- a traditional coil type zipper (coupling elements) and a slider adapted to close the coils have been disclosed.
- the coils of the fastener are indented in the surface and mechanically roughened during extrusion or after.
- a lubricant is dissolved in an appropriate solvent and coated onto the coils.
- the indented surface is suggested to enhance this coating process.
- a slide fastener is made from a pair of carrier tapes and coupling elements.
- the coupling elements are either a spiral or continuous coil formed from a filament.
- a separate cord of an absorbent material soaked in lubricant is positioned adjacent to the coupling elements to reduce friction upon coupling.
- a slide fastener has also been disclosed with polymer interlocking members injection molded directly onto a zipper tape.
- an organic mold release agent such as siloxane is added into the polymer extrusion.
- the interlocking members may be rail protrusions, teeth, or lock and key mechanisms.
- Reclosable household storage bags with sliding fastener closures have also been disclosed. For instance in one such bag, the writing surface is created on the household storage bag via a surface roughening or anti-slip agent. A slip agent is then added to the opposing surface of bag in selected areas, to overcome the anti-slip agent in the opposing surface.
- An aspect of the present invention relates to an interlocking rail for self-lubricating fastener devices.
- the rail comprises a polymer and a slip system additive with a roughening agent and lubricant dispersed throughout the polymer.
- interlocking members for self-lubricating fastener devices.
- the interlocking members comprise a polymer and a slip system additive with a roughening agent and lubricant dispersed throughout the polymer, or alternatively dispersed throughout a region or portion of the polymer.
- Another aspect of the present invention relates to a self-lubricating fastener device comprising at least two interlocking rails wherein at least one of the interlocking rails comprises a polymer and a slip system additive with a roughening agent and lubricant dispersed throughout the polymer.
- Another aspect of the present invention relates to a self-lubricating fastener device comprising two interlocking rails wherein one of the interlocking rails comprises a polymer and a roughening agent of a slip system additive dispersed throughout the polymer and the other interlocking rail comprises a polymer and a lubricant of the slip system additive dispersed throughout the polymer.
- Another aspect of the present invention relates to a self-lubricating fastener device comprising a plurality of interlocking members, said interlocking members comprising a polymer and a slip system additive with a roughening agent and lubricant dispersed throughout the polymer.
- Another aspect of the present invention relates to articles such as garments comprising one or more of these self-lubricating fastener devices.
- Yet another aspect of the present invention relates to methods for production of interlocking rails or interlocking members and self- lubricating fastener devices.
- Yet another aspect of the present invention relates to an interlocking rail fastener device that combines high strength and high flexibility.
- Figure 1 is a diagram of an exemplary fastener device with self- lubricating interlocking rails of the present invention.
- Figure 2 is a side view of a different exemplary design of an interlocking rail of the present invention.
- Figure 3 is a cross-sectional side view of an interlocking rail portion with a rotation preventer.
- Figure 4 is a graph of strength v. flexibility.
- Figure 5 is a depiction of rotation preventers.
- Figures 6A and 6B is a comparison of the prior art to the present invention.
- the present invention provides interlocking rails and interlocking members for use in self-lubricating fastener devices.
- article as used herein is meant to include garments, footwear, hardwear, bags, protective garments, enclosures such as chemical and biological protective shelters, and the like.
- self-lubricating as used herein it is meant that separate application and/or re-application of a lubricant to the fastener device to reduce friction of the fastener device is not required.
- waterproof as used herein it is meant any article capable of withstanding a hydrostatic pressure of at least 1.0 psi for a period of at least 1.0 minutes.
- liquid-proof as used herein it is meant any article that will not leak or weep liquid when challenged with a test fluid at a pressure of at least 0.07 bar for a duration of at least 3 minutes.
- the test fluid is at a minimum water, and ideally can be a range of liquid chemicals.
- rotation preventer as used herein it is meant any means by which the interlocking portions of the rails are prevented from rotational movements relative to each other (upon external force applied relative to the interlocking surfaces) when the fastener is engaged in a “closed” or “locked” configuration.
- FIG. 1 and 4 depict examples of rotation preventers including, but not limited to, means for preventing rotation, such as protrusions, knobs, thickened areas and other modifications relative to the fastener which prevent rotation.
- An exemplary fastener device with interlocking rails is depicted in
- the fastener device 1 comprises a first rail 2 and a second rail 3 which are fitted to each other via interlocking design by a metal or plastic slider 7 and a stopper which connects the rails at one end.
- each rail comprises a tongue portion 4 and groove portion 5 for interlocking with the other rail and a flat portion 6 for attachment to an article to be closed with the device.
- the self-lubricating fastener device comprises interlocking rails and one or both rails of the fastener device comprise a polymer and a slip system additive dispersed throughout the polymer.
- the slip system additive comprises a roughening agent which roughens a surface of the rail and a lubricant which lubricates a surface of the rail.
- Exemplary articles closed with such fastener devices include, but are not limited to, garments, footwear, bags, gloves, head coverings, protective gear, medical transport enclosures, tents, and storage bags.
- one of the rails comprises a polymer and a roughening agent of the slip system additive dispersed throughout the polymer while the other rail comprises a polymer and a lubricant of the slip system additive dispersed throughout the polymer.
- the self-lubricating fastener device comprises two sets of interlocking members and one or both sets of interlocking members of the fastener device comprise a polymer and a slip system additive dispersed throughout the polymer.
- two sets of interlocking members are used to create a seal.
- One set of interlocking members comprises a polymer and a roughening agent of the slip system additive dispersed throughout the polymer while the other set of interlocking members comprises a polymer and a lubricant of the slip system additive dispersed throughout the polymer.
- Exemplary polymers for use in these rails and interlocking members of the present invention include, but are not limited to, polyurethanes, thermoplastic polymers, silicones, thermoplastic elastomers or rubbers or the like, polyethylenes, polyesters, polypropylenes, polyvinyl chlorides, fluoropolymers, and blends thereof.
- the slip system additive dispersed throughout the polymer comprises a roughening agent which roughens a surface of the rail or interlocking members and a lubricant which lubricates a surface of the rail or interlocking members.
- the slip system additive comprises at least one roughening agent with at least one lubricant.
- the roughening agent of the slip system additive roughens the surface of the rail or interlocking members to increase roughness and reduce the contact points between the surfaces allowing the surfaces to move past each other with less friction, preferably without changing the bulk properties of the polymer.
- Exemplary roughening agents useful in the slip system additive comprise inorganic materials including, but not limited to silica, aluminums, silicates, diatomaceous earth, or talc. It is to be further understood that roughening agents may be chosen from inorganic or organic materials for the applications taught herein.
- the lubricant of the slip system additive reduces friction during closing and opening of a fastener device comprising the rails or sets of interlocking members.
- Lubricants useful in the present invention are dissolvable in either a polar or non-polar solvent such as alcohol, preferably ethanol, isopropyl alcohol, hexane, methylene chloride, or methyl ethyl ketone, or acetone. Such lubricants tend to appear or reappear at the surface of the polymer and reduce surface friction. Further, preferred lubricants for use in the present invention do not interfere with adherence of the fastener device with a hot melt adhesive.
- Exemplary lubricants useful in the slip system additive include, but are not limited to, oleamides, stearamides, ethylene bis-oleamides, ethylene bis-stearamides, siloxanes, fluorinated polymers and erucamides, stearyl alcohol, stearic acid, stearates, and metal salts of stearic acid such as magnesium and calcium, silicones, polytetrafluoroethylene, and the like.
- the slip system additive is dispersed in the polymer at a rate of 0.1 to 20 weight percentage, more preferably at a rate of 2 to 5 weight percentage.
- dispersion of the slip additive agent throughout the polymer eliminates the need to coat the polymer and/or re-apply lubricant to the fastener device after use. It is preferred that the slip additive agent is not simply a topical coating or application as those used for mold release. Conventionally, it is an unwanted effect to have such slip additive present in or on final products as they may contribute undesirable qualities.
- the slip system additive is evenly distributed throughout the polymer and the resulting interlocking rails or interlocking members.
- the interlocking rails or interlocking members may be produced by blending of the polymer and slip system additive prior to or during extrusion of the polymer.
- the slip system additive may be dispersed throughout a portion of the polymer and the resulting interlocking rails or interlocking members.
- a blend of polymer and slip system additive can be co-extruded with polymer without slip system additive so that, for example, the tongue and groove portion of an interlocking rail comprises polymer and slip system additive while the flat tape portion of the interlocking rail comprises polymer without slip system additive.
- the self- lubricating fastener device comprises a first interlocking rail or first set of interlocking members comprising a polymer and the roughening agent of the slip system additive dispersed throughout the polymer of the first rail or first set of interlocking members and a second interlocking rail or second set of interlocking members comprising a polymer and a lubricant of the slip system additive dispersed throughout the polymer of the second rail or second set of interlocking members.
- Also provided in the present invention are methods for production of self-lubricating fastener devices.
- the method comprises combining or blending a polymer with a slip system additive.
- the resulting combination or blend is then extruded, injected molded, RTV 1 spin cast, SLA, SLS, three-dimensional print, CNC or any other suited method for molding the interlocking pieces into interlocking rails or interlocking members of polymer with slip system additive dispersed throughout. These interlocking pieces are then assembled into a self-lubricating fastener device.
- the method comprises combining or blending a polymer with a slip system additive.
- the resulting combination or blend is then extruded along with a polymer into interlocking rails or interlocking members, a portion of which comprises polymer with slip system additive dispersed throughout. These interlocking pieces are then assembled into a self-lubricating fastener device.
- the method comprises combining or blending a polymer with a roughening agent of a slip system additive.
- the resulting combination or blend is then extruded into a first interlocking rail or first set of interlocking members comprising polymer with roughening agent dispersed throughout.
- a polymer is also combined or blended with a lubricant of a slip system additive and the resulting combination or blend is extruded into a second interlocking rail or second set of interlocking members comprising polymer with lubricant dispersed throughout.
- first and second rails or first and second sets of interlocking members are then assembled into a self-lubricating fastener device.
- the self-lubricating fastener devices of the present invention are liquid-resistant, more preferably liquid-proof. Further, these self- lubricating fastener devices of the present invention exhibit improved strength as well as increased strength to mass ratio, making them stronger and lighter at the same time, as well as increased flexibility, as compared to waterproof fastener samples prepared using a commercially available thermoplastic polyurethane (Bayer Texin 990R) and common profile extrusion processes.
- thermoplastic polyurethane Boyer Texin 990R
- common profile extrusion processes In order to provide a device that provides high strength and flexibility, it is necessary to provide means to prevent rotation of the interlocking elements relative to themselves during crosswise tensile loading. In one embodiment, geometrical features are altered to prevent such rotation.
- FIG 2 shows an aspect of the fastener device 1 which comprises a first rail 2 and a second rail 3 which are able to be fitted to each other via interlocking design by a slider device used to connect or separate the interlocking surfaces.
- each rail comprises a tongue portion 4 and groove portion 5 for interlocking with the other rail and a flat portion 6 for attachment to an article to be closed with the device.
- the rotation preventer 30 is also shown as protrusions or thickened areas which resist movement of the tongue portions relative to the groove portions during stress force applications.
- Figure 3 shows a fastener device 1 which comprises a first rail 2 and a second rail 3 which are fitted to each other via interlocking design to connect the rails.
- the rotation preventer 30 is also shown as protrusions or thickened areas which resist movement of the tongue portions relative to the groove portions during stress force applications. The necessity for this rotation preventer is depicted in Figures 4 and 5.
- Figure 5 has four images numbered 5A through 5B.
- Figure 5A depicts a cross-section of a rail at the beginning of a cross-pull test.
- Figure 5B is the same depiction, but with overlaid lines A and B.
- Line A represents the general shape of a portion of the interlock.
- Line B represents the orientation of another area of the interlock.
- Figure 5C is a depiction of a rail cross-section just prior to rail separation.
- Figure 5D is the same depiction as Figure 5C, but with lines A and B again added.
- line A is considerably straighter in Figure 5D than it is in Figure 5B.
- line B has an orientation in Figure 5D that is nearly perpendicular to its orientation in Figure 5B.
- the changes in shape and orientation are caused by a rotation of certain areas of the interlock. If structural elements can be added that prevent this rotation without an undue loss of in-plane flexural flexibility, the cross-pull strength of the device can be increased while retaining satisfactory flexural flexibility. Alternatively, these elements can be added, and the entire cross-section can be scaled down, so as to create a device with similar strength but improved flexural flexibility.
- Figure 6A shows a prior art rail profile.
- Figure 6B shows the improved rail design of the present invention illustrating that reduction of tooth rotation is accomplished by elimination of unnecessary undercut sizing 100 on reduction of the overhang 200 of the undercut on the tongue portion in conjunction with an increased reinforced area 300. This allows prevention of head rotation relative to the neck portion of the tongue.
- a self-lubricating fastener device of the present invention comprising interlocked rails is able to withstand up to 50 pounds of force applied in the direction depicted in Figure 1 as measured per ASTM D2061-07. This is known as cross-pull strength measurement. Flexibility, as assessed via a three-point bending method, was also increased. For this assessment, a TA Instruments RSA3 Dynamic Mechanical Analyzer (DMA) with standard 25 mm span three- point bending fixture was used. Samples were tested as paired rails with a preload of 1.0 g, a max deflection of 1.0 mm and a rate of 0.25 mm/seconds.
- DMA Dynamic Mechanical Analyzer
- the slope of the load-deflection curve between 0.3 and 1.0 mm was used in to calculate flexibility.
- the flexibility is defined as the inverse of the product of the elastic modulus (E) and the second moment of inertia (I), designated (El) '1 .
- E elastic modulus
- I second moment of inertia
- (El) "1 48y/PL3
- y deflection
- P load
- An interlocking rail of the present application comprises a polymer and a slip system additive dispersed throughout the polymer.
- the rail has been found to have favorable strength to mass ratios of greater than 2.99 Nm/g. Further, the mass per unit length of the rail has been found to be less than 80 grams per meter as exemplified in the examples.
- the self-lubricating fastener devices of the present invention are particularly useful in production of water-resistant or waterproof articles requiring fastener devices such as garments and bags.
- the self- lubricating fastener devices of the present invention are useful in joining gloves and socks to chemical and/or biological protective gear as well as in liquid-resistant or liquid-proof garments.
- Example 1 Comparative Waterproof Fastener A waterproof fastener sample (CH1351-37-15) was prepared using commercially available thermoplastic polyurethane (Bayer Texin 990R) and common profile extrusion processes. The profile of the resulting rail consisted of a tail section for garment attachment, a transition section, and a twin-mushroom style interlock section (see Figure 2). The opposing rail sections were identical. Following extrusion, the rails were sprayed with a lubricant by 303 Aerospace Lubricant made by 303 Products Palo Cedro, CA then assembled together, and tested. The mass per unit length of the sample was 52 grams/meter. The mean cross-pull strength was 89 Newtons (N).
- the flexural flexibility was 1421 Newtons/meter (N ⁇ 1 m '2) .
- the strength-mass ratio was 1.70 (Newtons x meters)/gram or (Nm/g).
- the strength- flexibility product was 126943 m "2 .
- the average surface roughness (Ra) in the extruded direction was 0.24 ⁇ m.
- a waterproof fastener sample (CH 1351-37-16) was prepared similarly to that of Comparative Example #1 , except that the extrusion speed was adjusted so that the mass per unit length of this sample was 68 grams/meter.
- the mean cross-pull strength was 100 N.
- the flexural flexibility was 1388 N ⁇ 1 m "2 .
- the strength-mass ratio was 1.46 Nm/g.
- the strength-flexibility product was 138337m "2 .
- the average surface roughness (Ra) in the extruded direction was 0.28 ⁇ m.
- a waterproof fastener sample (CH 1351 -37-1) was prepared from Estane 58219 resin (available from Lubrizol, Wickliffe, Ohio) blended with Estane Slip System X-4036 using common profile extrusion processes as described in Comparative Example 1.
- the rail profile consisted of a tail section for garment attachment and a transition section. However, the rail comprised a twin- wave style interlock section (see Figure 3). No additional lubricant was applied to the sample following extrusion.
- the mass per unit length of the sample was 71 grams/meter.
- the mean cross-pull strength was 212 N.
- the flexural flexibility was 1186 N '1 m '2 .
- the strength-mass ratio was 2.99 Nm/g.
- the strength-flexibility product was 251000 m '2 .
- the average surface roughness (Ra) in the extruded direction was 0.40 ⁇ m.
- a waterproof fastener sample (CH 1351 -37-2) was prepared similarly to that in Example 1 , except that the extrusion speed was adjusted so that the mass per unit length of the sample was 47 g/m.
- the mean cross-pull strength was 143 N.
- the flexural flexibility was 1800/N "1 m "2 .
- the strength-mass ratio was 3.03 Nm/g.
- the strength- flexibility product was 260000 m "2 .
- the average surface roughness (Ra) in the extruded direction was 0.40 ⁇ m.
- a waterproof fastener sample (CH 1351-37-5) was prepared similarly to that in Example 1 , except that the extrusion speed was adjusted so that the mass per unit length of the sample was 34 g/m.
- the mean cross-pull strength was 103 N.
- the flexural flexibility was 4347 N " 1 m "2 .
- the strength-mass ratio was 3.01 Nm/g.
- the strength-flexibility product was 446000 m "2 .
- the average surface roughness (Ra) in the extruded direction was 0.75 ⁇ m.
- a waterproof fastener sample (CH 1351-37-3) was prepared similarly to that in Example 1 , except that the extrusion reduction ratio was adjusted to give a mass per unit length of the sample of 18 g/m.
- the mean cross-pull strength was 77 N.
- the flexural flexibility was 8245 N "1 m ⁇ 2 .
- the strength-mass ratio was 4.21 Nm/g.
- the strength-flexibility product was 638000 m "2 .
- the average surface roughness (Ra) in the extruded direction was 0.59 ⁇ m.
- a sample ZIPLOC® "Big Bags” fastener was evaluated for strength and flexibility.
- the samples were reassembled so as to be suitable for cross-pull testing.
- the mean cross-pull strength was 87 N.
- the flexural flexibility was 3120 N "1 m "2 .
- the strength-flexibility product was 271000 m '2 .
- the sample had a glossy appearance, indicating a very low surface roughness.
- a sample YKK rail fastener (Part No. 5PVH) was evaluated for strength and flexibility.
- the samples were reassembled so as to be suitable for cross-pull testing.
- the mean cross-pull strength was 252 N.
- the flexural flexibility was 515 N '1 m '2 .
- the strength-flexibility product was 129780 m "2 .
- the sample had a glossy appearance, indicating a very low surface roughness.
- Coefficient of friction measurements were made using test method ASTM D1894-06 with a sled speed of 90 inches per minute and a sled load of 600 gram. The sled base measured 2.5 inches by 2.5 inches. The coefficient of friction was measured ten times per test specimen and the averages reported in the result table. Coefficient of Friction Measurements after Abrasion:
- Coefficient of friction after abrasion is an important indicator of the longevity of the effect of added lubricants to a polymer extrusion.
- the flat samples prepared for the coefficient of friction measurements were also subjected to Martindale Abrasion Testing using a modified ASTM D4966-98 test method. The modification involved using "0" Emery Cloth as the abraident and doing 100 cycles (1600 movements) with a 12kPaA load. After each test specimen was abraded according to this protocol, the coefficient of friction was again measured using the COF test method. The after abrasion test results are also shown in the results table.
- the plateau value shows the pull force in the absence of the PTFE micropowder has more than doubled by about 200 cycles.
- the pull force with the PTFE micropowder present increases slightly up to about 50 cycles and then levels off to about 200 cycles, after which, the pujl force begins to decrease.
- the final pull force with the PTFE micropowder is essentially the same at the initial pull force.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08832966A EP2203084A1 (en) | 2007-09-25 | 2008-09-23 | Self-lubricating fasteners |
JP2010526922A JP2010540075A (en) | 2007-09-25 | 2008-09-23 | Self-lubricating fasteners |
CA2700166A CA2700166A1 (en) | 2007-09-25 | 2008-09-23 | Self-lubricating fasteners |
CN2008801155125A CN101854826B (en) | 2007-09-25 | 2008-09-23 | Self-lubricating fasteners |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US97497707P | 2007-09-25 | 2007-09-25 | |
US60/974,977 | 2007-09-25 |
Publications (1)
Publication Number | Publication Date |
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WO2009042117A1 true WO2009042117A1 (en) | 2009-04-02 |
Family
ID=40039909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/011012 WO2009042117A1 (en) | 2007-09-25 | 2008-09-23 | Self-lubricating fasteners |
Country Status (7)
Country | Link |
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US (1) | US20090211852A1 (en) |
EP (1) | EP2203084A1 (en) |
JP (1) | JP2010540075A (en) |
KR (1) | KR20100072286A (en) |
CN (1) | CN101854826B (en) |
CA (1) | CA2700166A1 (en) |
WO (1) | WO2009042117A1 (en) |
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GB2485662A (en) * | 2010-11-15 | 2012-05-23 | Touac Furniture Ltd | Elongate fastener |
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JP2013099425A (en) * | 2011-11-08 | 2013-05-23 | Sadao Harasaki | Slide fastener |
WO2014002234A1 (en) | 2012-06-28 | 2014-01-03 | Ykk株式会社 | Waterproof slide fastener |
AU2014209447B2 (en) | 2013-01-25 | 2018-02-22 | Tru Zip Llc | Systems and methods for a multi-material extruded zipper |
CN103315459A (en) * | 2013-07-01 | 2013-09-25 | 垦青(浙江)拉链有限公司 | Waterproof zipper |
CN103829467B (en) * | 2014-02-28 | 2017-01-18 | 福建浔兴拉链科技股份有限公司 | Invisible sealing zipper |
JP6858012B2 (en) * | 2016-12-14 | 2021-04-14 | ライオン株式会社 | fastener |
US10362839B2 (en) * | 2017-08-22 | 2019-07-30 | Ykk Corporation | Slide fastener |
DE202019101580U1 (en) * | 2019-03-20 | 2020-06-30 | Otto Fuchs - Kommanditgesellschaft - | Profile network |
KR20230087299A (en) * | 2021-12-09 | 2023-06-16 | 김영교 | Airtight type zipper |
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- 2008-09-23 CN CN2008801155125A patent/CN101854826B/en not_active Expired - Fee Related
- 2008-09-23 WO PCT/US2008/011012 patent/WO2009042117A1/en active Application Filing
- 2008-09-23 US US12/235,879 patent/US20090211852A1/en not_active Abandoned
- 2008-09-23 CA CA2700166A patent/CA2700166A1/en not_active Abandoned
- 2008-09-23 JP JP2010526922A patent/JP2010540075A/en active Pending
- 2008-09-23 EP EP08832966A patent/EP2203084A1/en not_active Withdrawn
- 2008-09-23 KR KR1020107008848A patent/KR20100072286A/en not_active Application Discontinuation
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2485662A (en) * | 2010-11-15 | 2012-05-23 | Touac Furniture Ltd | Elongate fastener |
Also Published As
Publication number | Publication date |
---|---|
JP2010540075A (en) | 2010-12-24 |
US20090211852A1 (en) | 2009-08-27 |
CA2700166A1 (en) | 2009-04-02 |
CN101854826A (en) | 2010-10-06 |
EP2203084A1 (en) | 2010-07-07 |
KR20100072286A (en) | 2010-06-30 |
CN101854826B (en) | 2012-12-19 |
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