WO2014002234A1 - 防水性スライドファスナー - Google Patents
防水性スライドファスナー Download PDFInfo
- Publication number
- WO2014002234A1 WO2014002234A1 PCT/JP2012/066602 JP2012066602W WO2014002234A1 WO 2014002234 A1 WO2014002234 A1 WO 2014002234A1 JP 2012066602 W JP2012066602 W JP 2012066602W WO 2014002234 A1 WO2014002234 A1 WO 2014002234A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tape
- waterproof
- fastener
- slide fastener
- water
- Prior art date
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Classifications
-
- 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
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/02—Slide fasteners with a series of separate interlocking members secured to each stringer tape
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- 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
- Y10T24/2514—Zipper or required component thereof with distinct member for sealing surfaces
Definitions
- the present invention relates to a slide fastener having waterproofness (also referred to as waterstop), and in particular, waterproofing having a waterproof structure capable of preventing liquid from entering from the front side to the back side or from the back side to the front side of the slide fastener.
- waterproofness also referred to as waterstop
- waterproofing having a waterproof structure capable of preventing liquid from entering from the front side to the back side or from the back side to the front side of the slide fastener.
- the present invention relates to a sex slide fastener.
- a waterproof slide fastener (hereinafter, Often used as a waterproof slide fastener.
- the waterproofing includes not only the entry of water but also the prevention of entry of liquids other than water.
- the waterproof slide fastener usually includes a pair of left and right fastener stringers in which an element row is formed on a waterproof tape having a waterproof layer made of a synthetic resin, and a slider that can slide along the element row.
- a pair of left and right fastener stringers in which an element row is formed on a waterproof tape having a waterproof layer made of a synthetic resin, and a slider that can slide along the element row.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2008-194066 (Patent) Document 2), German Patent Application Publication No. 10007053020 (Patent Document 3), Japanese Patent Application Laid-Open No. 2010-12246 (Patent Document 4), and the like.
- an element row composed of coil-shaped continuous fastener elements is formed at the opposite tape side edges (element mounting portions) of the left and right waterproof tapes. Has been configured.
- the opposing tape side edges of the left and right waterproof tapes are in close contact with each other. Thus, water is prevented from entering from the front surface side to the back surface side of the tape through the left and right waterproof tapes.
- Patent Document 1 describes that in a waterproof slide fastener having a coil-shaped fastener element, the fastener element and the element attachment portion of the fastener tape are covered with vulcanized silicone rubber.
- a vulcanization type silicone rubber By covering with a vulcanization type silicone rubber, a plurality of holes (openings) formed in the fastener tape are closed with the silicone rubber when the coiled fastener element is sewn to the fastener tape. For this reason, it is possible to prevent liquid (water) from leaking from the tape surface side to the tape back surface side through the plurality of holes, and it is possible to improve the waterproofness of the slide fastener.
- the waterproof slide fastener described in Patent Document 2 describes that a water-repellent agent or an oil-repellent agent is attached to a coil-shaped fastener element, a core string inserted into the fastener element, and a fastener tape. Yes.
- a water repellent or oil repellent By attaching the water repellent or oil repellent in this way, for example, even when the tape side edges of the left and right zipper tapes that are in close contact open and a gap is formed, the zipper element, the core string, and the zipper tape In order to effectively repel moisture or oil, respectively, moisture or oil is prevented from entering the tape back side from the tape front side through the gap.
- the waterproof slide fastener described in Patent Document 3 and Patent Document 4 is formed by injection molding synthetic resin on the tape side edge portions (element mounting portions) of the left and right waterproof tapes facing each other. An element row composed of independent fastener elements is formed.
- a plurality of fastener elements are fixed to opposite tape side edges of the right and left waterproof tapes, and each fastener element is on the tape surface side of the waterproof tape (first tape).
- first tape A first element half disposed on the surface side
- second element half disposed on the tape rear surface side (second tape surface side).
- the first element half and the second element half have a form that is plane-symmetric with respect to the fastener tape, and the slider is slid to slide the left and right element rows.
- the first element halves and the second element halves of the left and right fastener elements are meshed with each other, and the opposing tape side edges of the left and right waterproof tapes are brought into close contact with each other.
- the tape side edges of the left and right waterproof tapes are brought into close contact with each other when the element rows are engaged, so that the liquid tightness between the left and right fastener stringers is secured and the liquid enters the tape back side from the tape front side. It prevents that.
- Patent Document 3 a lubricant is contained in the synthetic resin constituting the fastener element.
- the waterproof slide fastener in which the element row is made of a synthetic resin fastener element when the slide fastener is closed, as described above, in order to mesh the element row and bring the right and left waterproof tapes into close contact with each other, It is necessary to slide the slider while strongly pulling the left and right fastener elements together using the left and right flanges arranged on the upper and lower blades.
- Patent Document 4 discloses a waterproofing that prevents left and right waterproofing tapes from entering between the left and right waterproofing tapes by engaging the left and right waterproofing tapes without bringing the right and left waterproofing tapes into close contact with each other when the element rows are engaged.
- a sex slide fastener is disclosed.
- the waterproof slide fastener described in Patent Document 4 will be specifically described with reference to FIGS. 13 and 14.
- the waterproof slide fastener 70 is attached to the tape side edge portions of the left and right waterproof tapes 72.
- a pair of left and right fastener stringers 71 provided with an element row 76 composed of a plurality of synthetic resin fastener elements 73, and a slider 77 attached to the element row 76 to engage and release the left and right fastener elements 73 are provided. ing.
- the waterproof tape 72 of Patent Document 4 has a core string portion 72a along the side edge of the tape.
- a waterproof layer made of a water resistant material such as a synthetic resin is formed on the first tape surface side of the waterproof tape 72.
- the fastener element 73 of Patent Document 4 includes a first element portion 74 disposed on the first tape surface side of the waterproof tape 72, and a second element portion 75 disposed on the second tape surface side of the waterproof tape 72.
- the first element portion 74 and the second element portion 75 have different forms.
- the first element portion 74 has a barrel portion 74a fixed to the waterproof tape 72, and a shape constricted so as to protrude outward from the barrel portion 74a to narrow the element width. It has a neck portion 74b and a meshing head portion 74c that further protrudes from the neck portion 74b and has an oval shape.
- the second element portion 75 has a base portion 75a fixed to the waterproof tape 72 and an element head portion 75b protruding outward from the tape from the base portion 75a.
- 75b has a tapered form in which the element width dimension (dimension in the tape length direction) is gradually reduced toward the tip.
- the first element portions 74 of the left and right fastener elements 73 are engaged with each other by sliding the slider 77 in the engagement direction of the element row 76.
- the second element portion 75 is inserted between the second element portions 75 adjacent to each other on the meshing counterpart side and brought into contact with both the second element portions 75, and the element head 75 b of the second element portion 75 is in contact with each other.
- the tip is brought into contact with the core string portion 72a of the waterproof tape 72 on the other side.
- Patent Document 4 when the left and right element rows 76 are engaged, the left and right waterproof tapes 72 are in a state of being separated from each other, so that an increase in the sliding resistance of the slider 77 can be suppressed. Further, when the left and right element rows 76 are engaged, the first element portions 74 of the left and right fastener elements 73 are engaged with each other, and a slight gap formed between the engaged left and right first element portions 74 is covered. Thus, the left and right second element portions 75 are alternately engaged with each other, and the tips of the second element portions 75 are in contact with the core string portion 72 a of the mating waterproof tape 72.
- the left and right fastener elements 73 are meshed so that the first element portion 74 and the second element portion 75 are in a step with each other, and the left and right second elements extend between the left and right waterproof tapes 72.
- the portions 75 By engaging the portions 75 alternately, it is possible to prevent a linear gap from being formed between the left and right waterproof tapes 72 from the element surface side to the element back side.
- the left and right waterproof tapes 72 are separated from each other when the element row 76 is engaged, it is difficult for liquid to enter from the tape surface side of the waterproof slide fastener 70 to the tape back side.
- the sliding resistance of the slider inevitably increases as described above.
- the synthetic resin constituting the fastener element includes a lubricant to reduce the friction generated between the slider and the fastener element, the slider operation becomes heavy when the element row is engaged or separated. It has been desired to further improve the operability.
- the present invention has been made in view of the above-described conventional problems.
- a specific object of the present invention is to prevent an increase in sliding resistance of the slider and improve liquid tightness to effectively infiltrate the liquid.
- Another object of the present invention is to provide a waterproof slide fastener that can be prevented.
- the waterproof slide fastener has, as a basic structure, a right and left waterproof structure including a synthetic resin waterproof layer on at least one of the first and second tape surfaces.
- a pair of fastener stringers having a plurality of synthetic resin fastener elements attached to opposite tape side edges of the tape, and a slider attached to an element row comprising the plurality of fastener elements,
- the fastener element has a meshing portion that meshes with the mating counterpart fastener element, and protrudes from the tape side edge of the waterproof tape and contacts the mating tape side edge when meshing the element row
- a silicone resin or a fluororesin is contained.
- the water repellent waterproof tape and the fastener element is one which the most important feature that formed by coating.
- the fastener element is disposed on a first element portion disposed on the first tape surface side of the waterproof tape, and on a second tape surface side of the waterproof tape.
- a second element portion having a shape different from that of the first element portion, the meshing portion being arranged in the first element portion, and the second element portion being a tape side edge of the waterproof tape. It is preferable to include an element head that protrudes from and is inserted between the adjacent fastener elements of the mating counterpart when the element row is engaged, and abuts against the tape side edge of the waterproof tape.
- the content of the silicone resin or the fluororesin in the fastener element is set to 0.2 wt% or more and less than 1.5 wt%. Furthermore, it is preferable that the waterproof layer contains a silicone resin or a fluororesin.
- the right and left fastener elements have a meshing portion that meshes with the mating counterpart fastener element, and protrudes from the tape side edge of the waterproof tape, and the mating waterproof tape of the counterpart It is comprised in the form contact
- the fastener element having such a shape is made of a synthetic resin including a silicone resin or a fluorine resin, and a water repellent (water repellent) is applied to the waterproof tape and the fastener element. (Also called oil repellent) is applied and adhered.
- the fastener element of the present invention is made of synthetic resin, even if a water repellent is applied to the fastener element, the water repellent is applied to the entire element surface due to the presence of the surface tension of the water repellent. It is difficult to adhere uniformly, and uneven adhesion of the water repellent agent may occur. When unevenness of the water repellent occurs in this way, a region where the effect of repelling the liquid by the water repellent (water repellent effect) is partially weakened, and a gap formed between the left and right fastener elements or the fastener element There is a risk that it will not be possible to properly prevent liquid from entering the gap formed between the waterproof tape of the mating counterpart.
- the waterproof slide fastener of the present invention in order to eliminate such problems due to uneven adhesion of the water repellent agent, in the waterproof slide fastener of the present invention, as described above, a silicone resin or a fluororesin that can impart water repellency in the fastener element. Is contained.
- the fastener element can be provided with not only the water repellent effect by the water repellent but also the water repellent effect by the contained silicone resin or fluororesin. Even if unevenness occurs, the water repellent effect can be prevented from partially weakening.
- the operability of the slider is good, and the gap formed between the left and right fastener elements, and the gap formed between the fastener element and the mating counterpart waterproof tape Even if liquid enters the water, the water-repellent effect of the waterproof tape and the water-repellent effect of the fastener element are stably demonstrated, so that such liquid can be appropriately prevented from entering, and it is waterproof.
- the liquid tightness of the slide fastener can be improved.
- the fastener element is disposed on the first tape surface side of the waterproof tape and on the second tape surface side of the waterproof tape, and the first A second element portion having a different shape from the element portion is included.
- the first element portion is provided with a meshing portion that meshes with a mating fastener element.
- the second element portion protrudes from the tape side edge of the waterproof tape, and is inserted between the adjacent fastener elements of the mating counterpart when the element row is engaged, so that the tape side edge portion of the waterproof tape (for example, the waterproof tape)
- an element head is provided that contacts the core string portion of the other waterproof tape.
- the fastener element of the present invention By configuring the fastener element of the present invention in this way, when the left and right element rows are meshed, the first element portions of the left and right fastener elements are meshed with each other, and the meshed left and right first elements
- the left and right second element portions are alternately engaged so as to cover a slight gap formed between the portions, and the end of the element head of each second element portion is the tape side edge of the waterproof tape on the other side Touch the part.
- the content of the silicone resin or the fluororesin in the fastener element is set to 0.2 wt% or more and less than 1.5 wt%.
- the content of the silicone resin or fluororesin is set to 0.2% by weight or more, the water repellent effect by the silicone resin or fluororesin is stably exhibited.
- strength of a fastener element is stably ensured by setting content of a silicone resin or a fluororesin to less than 1.5 weight%.
- the waterproof layer also contains a silicone resin or a fluororesin
- the waterproof layer itself can be given a water-repellent effect
- the waterproof slide fastener has a tape surface side. Intrusion of liquid from the tape back side to the tape back side (from the tape back side to the tape front side) can be more effectively prevented.
- FIG. 2 is a cross-sectional view taken along the line II-II shown in FIG. It is a perspective view which expands and shows the fastener element of the waterproof slide fastener.
- FIG. 3 is an enlarged view of a main part of the waterproof slide fastener in an enlarged manner showing a state in which left and right element rows are engaged with each other.
- FIG. 5 is a sectional view taken along line VV shown in FIG. 4.
- the waterproof slide fastener which concerns on the 2nd Embodiment of this invention, it is a principal part enlarged view which expands and shows the state which the element rows on either side meshed
- FIG. 9 is a sectional view taken along line XX shown in FIG.
- FIG. 4 is a plan view and a cross-sectional view (XI-XI cross-sectional view) of a fixing jig for a test piece used in the rain test B method. It is a figure which shows the external appearance of the artificial rain apparatus at the time of implementing the rain test B method. It is a top view which shows the conventional waterproof slide fastener. It is a bottom view of the waterproof slide fastener.
- a waterproof slide fastener in which a separation / insertion tool is disposed at one end of an element row and a stopper is disposed at the other end of the element row.
- a waterproof slide fastener in which stops are disposed at both ends of the element row, and a waterproof slide fastener in which a stop is disposed only on one end side of the element row.
- the specific shape and dimensions of the fastener element can be arbitrarily changed.
- FIG. 1 is a plan view showing a waterproof slide fastener 1 according to a first embodiment of the present invention
- FIG. 2 is a cross-sectional view taken along the line II-II shown in FIG.
- FIG. 3 is an enlarged perspective view showing the fastener element 20 of the waterproof slide fastener 1
- FIG. 4 is an enlarged view of a main part showing an enlarged state where the left and right element rows 15 are engaged.
- the front-rear direction refers to the length direction of the waterproof tape 11 and is the same direction as the sliding direction in which the slider 30 slides.
- the slider 30 is slid in the forward direction so that the left and right element rows 15 are engaged to close the waterproof slide fastener 1, and the waterproof slide fastener 1 is opened by separating the left and right fastener elements 20.
- the direction in which the slider 30 is slid is defined as the rear.
- the left-right direction refers to the tape width direction of the waterproof tape 11, which is parallel to the tape surface of the waterproof tape 11 and orthogonal to the tape length direction.
- the vertical direction refers to the front and back direction of the waterproof tape 11 orthogonal to the tape surface of the waterproof tape 11, and in particular, the direction on the side where the handle 32 of the slider 30 is disposed with respect to the waterproof tape 11.
- the upper side is the upper side, and the opposite direction is the lower side.
- the waterproof slide fastener 1 is attached to an opening / closing part or an opening formed in a fastener-attached product such as a bag, and when the waterproof slide fastener 1 is closed, a liquid such as water is waterproof. It has waterproofness to prevent intrusion from the outer side to the inner side (or from the inner side to the outer side) of the fastener-attached product through the adhesive slide fastener 1.
- Such a waterproof slide fastener 1 includes a pair of left and right fastener stringers 10 in which a plurality of synthetic resin fastener elements 20 are injection-molded on opposing tape side edges 11 b of the waterproof tape 11.
- a slider 30 slidably disposed along the element row 15 composed of a plurality of fastener elements 20, a break-fitting insert 40 disposed on the rear end side of the element row 15, and a front end of the element row 15 And a stopper (upper stopper) 45 arranged on the side of the portion.
- the waterproof tape 11 includes a tape main part 11a serving as a part to be attached to a fastener-attached product, and a tape side edge part (also referred to as an element attaching part) 11b disposed inside the tape main part 11a.
- An enormous core string part 11c is arranged along the tape length direction on the tape side edge (the tape inner edge of the waterproof tape 11) on the tape side edge part 11b side.
- the waterproof tape 11 has a waterproof layer 13 made of a polyurethane, polyester, polyamide, or vinyl chloride thermoplastic elastomer on the tape surface (second tape surface) of the woven or knitted fastener tape 12. Are laminated.
- the waterproof layer 13 is laminated with a certain thickness on the entire tape surface side including the core string portion 11 c of the fastener tape 12.
- a waterproof layer 13 can be easily formed, for example, by bonding or welding a film from a thermoplastic elastomer to the tape surface of the fastener tape 12.
- the waterproof layer 13 of the waterproof tape 11 is made of the thermoplastic elastomer as described above, the waterproof tape 11 itself can be provided with waterproof properties, and the waterproof tape 11 can be waterproofed by ensuring flexibility.
- the waterproof tape 11 can be bent in the tape front / back direction and the tape width direction, and the waterproof slide fastener 1 can be handled easily.
- the thermoplastic elastomer is arranged on the tape surface side of the waterproof tape 11, the tape surface of the waterproof tape 11 and the fastener-attached product can be fixed by using high-frequency welding or the like. .
- the thermoplastic elastomer constituting such a waterproof layer 13 contains a silicone resin or a fluororesin at a predetermined ratio.
- the content of the silicone resin or the fluororesin in the waterproof layer 13 is preferably 2.0% by weight or more and less than 4.0% by weight.
- the waterproof layer 13 can be provided with desired strength and water repellency by containing the silicone resin or the fluororesin in a predetermined ratio in the waterproof layer 13.
- the waterproof layer 13 of the waterproof tape 11 in 1st Embodiment is formed only in the tape surface side used as one tape surface (2nd tape surface), in this invention, the waterproof layer 13 is It is also possible to form it only on the tape back surface side which becomes the other tape surface (first tape surface) of the waterproof tape 11 or to form both surfaces of the tape surface and the tape back surface of the waterproof tape 11. Further, the waterproof layer 13 may be formed not only on the whole tape surface of the waterproof tape 11 but only on a part of the tape surface as in the case of the second embodiment to be described later. .
- the element row 15 formed on the waterproof tape 11 is formed by providing a plurality of fastener elements 20 at a predetermined mounting pitch along the tape length direction by injection molding.
- the size of the attachment pitch of the fastener elements 20 is set smaller than the interval between the fastener elements 20 adjacent in the tape length direction when the left and right element rows 15 are engaged.
- the spacing between the fastener elements 20 when the element rows 15 are meshed makes the element rows 15 mesh by utilizing the expansion and contraction of the waterproof tape 11. It is set to expand compared to before.
- the fastener element 20 in the first embodiment includes a first element portion 21 disposed on the tape back surface (first tape surface) side of the waterproof tape 11 across the tape side edge portion 11b of the waterproof tape 11, and It has the 2nd element part 22 distribute
- the first and second element parts 21 and 22 are fixed to the waterproof tape 11, respectively.
- the first and second element portions 21 and 22 are connected and integrated at a portion protruding from the tape inner edge of the waterproof tape 11 and formed on the tape side edge portion 11 b of the waterproof tape 11. They are connected and integrated through a through hole (not shown).
- the boundary position between the first element portion 21 and the second element portion 22 is set below the center position of the waterproof tape 11 with respect to the tape front and back direction.
- the dimension of the element portion protruding from the inner edge of the tape (the dimension from the inner edge of the tape to the tips of the first and second element portions 21 and 22) is larger than the distance between the left and right tape inner edges facing each other when meshing Is set larger.
- the first element portion 21 of the fastener element 20 is formed continuously from the body portion 21a fixed to the waterproof tape 11 and the body portion 21a, so that the element width (dimension in the tape length direction of the element) is reduced.
- the meshing head portion 21c and the neck portion 21b constitute a meshing portion that meshes with the fastener element 20 of the mating counterpart.
- the meshing portion of the first element portion can be configured by other shapes or structures.
- a pair of front and rear ridges are formed on the upper surface of the meshing head 21c of the first element portion 21 of each fastener element 20 while being tapered from the second element portion 22 while being bent in a fang shape.
- Part 21d is arranged.
- the second element portion 22 of the fastener element 20 is formed in a shape different from that of the first element portion 21, and a base portion 22a fixed to the waterproof tape 11 and a base portion 22a so as to protrude from the tape inner edge of the waterproof tape. And an element head portion 22b extending in the tape width direction.
- the base portion 22a of the second element portion 22 is formed in a substantially rectangular parallelepiped shape. Also, as shown in FIG. 4, the tape length direction dimension at the lower end of the base portion 22a in contact with the waterproof tape 11 is set to be substantially constant over the entire tape width direction of the base portion 22a. The fixing strength of the base portion 22a to the waterproof tape 11 is ensured.
- the element head portion 22b of the second element portion 22 has a shape in which the element width gradually decreases in two steps toward the tip of the element head portion 22b, and a first gradually decreasing portion 23a formed on the base portion 22a side, It has the 2nd gradually decreasing part 23b formed in the front end side via the step part 23c from the 1st gradually decreasing part 23a.
- the element side surfaces (front surface and rear surface) of the first gradually decreasing portion 23a and the second gradually decreasing portion 23b are formed as inclined surfaces that gradually decrease the element width toward the element upper surface.
- the inclined surface formed in the first gradually decreasing portion 23a extends to a part of the side surface of the base portion 22a.
- the second element portion 22 is, as shown in FIG. 4, the second element portions 22 of the fastener elements 20 adjacent to each other in the tape length direction of the engagement counterpart. Inserted in between, the element side surface of the second element portion 22 is brought into contact with both second element portions 22 of the mating counterpart, and the tip of the element head portion 22b is connected to the core string portion 11c of the waterproof tape 11 of the mating counterpart. It has a shape and a size to be brought into contact with.
- the tip of the element head 22b is formed in parallel to the tape length direction, and the position of the tip of the element head 22b in the tape width direction is the tip of the meshing head 21c of the first element portion 21. It is set closer to the waterproof tape 11 than the position.
- the first element of the left and right fastener elements 20 when the left and right element rows 15 are meshed.
- the portions 21 can mesh stably with each other, and the tip of the element head portion 22b of the second element portion 22 can be brought into contact with the core string portion 11c of the waterproof tape 11 of the mating counterpart. Further, a gap is formed between the fastener element 20 and the mating counterpart waterproof tape 11 so as to penetrate linearly from the front surface side to the back surface side.
- the fastener element 20 having such a shape is formed by injection molding a waterproof tape 11 with a material in which a silicone resin or a fluororesin is contained in a thermoplastic resin such as polyacetal, polyamide, polypropylene, polybutylene terephthalate, nylon, or polycarbonate. It is formed by.
- a thermoplastic resin such as polyacetal, polyamide, polypropylene, polybutylene terephthalate, nylon, or polycarbonate. It is formed by.
- silicone resin is generally called silicone oil.
- the content of the silicone resin or fluororesin in the material constituting the fastener element 20 is 0.2% by weight or more and less than 1.5% by weight, preferably 0.3% by weight or more and 1.0% by weight or less. Is set to When the content of the silicone resin or fluororesin is 0.2% by weight or more, the water repellent effect by the silicone resin or fluororesin is stably exhibited. Moreover, the intensity
- XRF fluorescent X ray analysis
- the water repellent is applied and adhered to the entire outer surface of the waterproof tape 11 and the fastener element 20.
- the water repellent fluorine compound, silicone compound, acrylic water repellent, silicone composite water repellent, paraffin compound, ethylene urea compound, zirconium compound, fatty acid amide compound, methylol amide
- Water repellents such as a series compound, an alkyl urea type, and a fatty acid amide type can be used.
- a fluorine-based water repellent that is easy to handle and excellent in heat resistance and chemical resistance is used.
- the water repellent includes a crosslinking agent such as a melamine resin, a blocked isocyanate resin and an imine resin, and a binder resin such as an acrylic resin, a urethane resin and a silicone resin. Can also be included.
- a crosslinking agent such as a melamine resin, a blocked isocyanate resin and an imine resin
- a binder resin such as an acrylic resin, a urethane resin and a silicone resin.
- the method of applying the water repellent to the waterproof tape 11 and the fastener element 20 is not particularly limited, and is substantially the same as the water repellent treatment step described in Patent Document 2, for example. It is possible to apply and adhere the water repellent by using a similar method to the above or other methods.
- the water repellent when it is desired to check whether or not the water repellent is attached to the waterproof tape 11 or the fastener element 20, for example, a suitable amount of water drops are dropped on the surface of the part to be checked, and the liquid droplets formed on the surface. By calculating the contact angle of the liquid droplets from the shape, it is possible to determine whether or not the water repellent agent is adhered.
- the contact angle is an angle formed between the tangent line near the surface of the droplet and the surface of the member. The larger the angle, the better the water repellency.
- the water repellency is clarified by comparing a sample to which the water repellent is actually attached and a sample to which the water repellant is not attached.
- the contact angle of a member to which no water repellent is attached is 30 ° or less.
- the presence or absence of adhesion of the water repellent can also be analyzed by detecting deposits on the surface by energy dispersive X-ray analysis.
- the X-ray analysis detects fluorine (F) when the water repellent is a fluorine compound, and detects silicon (Si) when the water repellent is a silicone compound.
- the slider 30 in the first embodiment is substantially the same as a slider generally disposed in a conventional waterproof slide fastener. That is, the slider 30 includes a slider body 31 and a handle 32 that is rotatably held by the slider body 31.
- the slider body 31 includes upper and lower wing plates, guide pillars connecting the shoulder blade side ends of the upper and lower wing plates, left and right upper flange portions disposed on left and right side edges of the upper wing plate, and left and right sides of the lower wing plate. It has left and right lower flange portions arranged on the side edge portions, and a handle attachment column that is erected on the upper surface side of the upper blade and holds the handle 32.
- left and right shoulder openings are formed at the front end of the slider body 31 with the guide pillars interposed therebetween, and a rear opening is formed at the rear end of the slider body 31.
- a substantially Y-shaped element guide path is formed between the upper and lower blades so that the left and right shoulder openings communicate with the rear opening.
- a tape insertion gap through which the left and right waterproof tapes 11 are inserted is formed between the upper flange portion and the lower flange portion of the slider body 31.
- the separation fitting insert 40 is arranged on the rear end side of the element row 15 so as to determine the rear end position of the sliding range of the slider 30.
- the separation fitting 40 includes a butterfly pin 41 attached to the rear end portion of one (left side) fastener stringer 10 adjacent to the element row 15 and the rear end portion of the other (right side) fastener stringer 10.
- the box bar 42 attached adjacent to the element row 15 and the box body 43 integrally formed at the rear end of the box bar 42 can be inserted and removed. It is configured.
- the stopper 45 is attached to the front end of each of the left and right fastener stringers 10 adjacent to the element row 15 so that the slider 30 does not fall off from the front end side of the element row 15.
- the separation / insertion tool 40 and the stopper 45 are formed by injection-molding the same synthetic resin material as the fastener element 20 onto the waterproof tape 11, and the separation / insertion tool.
- a water repellent is applied to the entire outer surfaces of 40 and the fastener 45.
- the configurations of the slider 30, the opening / closing insertion tool 40, and the stopper 45 are not particularly limited, and can be arbitrarily changed.
- the waterproof slide fastener 1 when the left and right element rows 15 are engaged, as shown in FIGS. 11 are not in close contact with each other and are in a separated state. For this reason, the waterproof slide fastener 1 has a sliding resistance of the slider 30 when the slider 30 is slid in the meshing direction or the separating direction of the element row 15, for example, as described in Patent Document 3 above.
- the waterproof tape can be made smaller than a waterproof slide fastener that closely contacts the waterproof tape, and the slider 30 can be operated relatively easily.
- the left and right first element portions 21 are engaged with each other as shown in FIG.
- the left and right second element portions 22 are in contact with each other so as to cover a small gap formed between the first element portions 21.
- each second element portion 22 comes into contact with the core string portion 11c of the mating waterproof tape 11, and the meshing head portion 21c of the first element portion 21 is more than the element head portion 22b.
- each fastener element 20 is strongly meshed so as to interrupt between the mutually adjacent fastener elements 20 of the mating counterpart. Thereby, it is possible to reduce the gap formed so as to be bent from the element surface side to the element back surface side, or it is difficult to form such a gap.
- the waterproof tape 11 and the fastener element 20 of the waterproof slide fastener 1 are coated with a water repellent and attached thereto, liquid such as water can be prevented from penetrating into the waterproof tape 11.
- a liquid such as water can be effectively repelled on the element surface.
- the fastener element 20 of the waterproof slide fastener 1 contains a silicone resin or a fluorine resin in the thermoplastic resin constituting the fastener element 20.
- the fastener element 20 can be provided with not only the water repellent effect by the water repellent but also the water repellent effect by the contained silicone resin or fluororesin.
- the water repellent effect of the fastener element can be prevented from partially weakening. Accordingly, it is possible to more appropriately prevent liquid from entering the gap formed between the left and right fastener elements 20 and between the fastener element 20 and the counterpart waterproof tape 11, and to improve the waterproof property of the slide fastener 1. Can do.
- FIG. 6 is an enlarged view of a main part of the waterproof slide fastener 2 according to the second embodiment, showing a state in which the left and right element rows 55 are engaged with each other, enlarged from the upper surface side, and FIG. It is sectional drawing which shows the fastener stringer 50 of.
- the waterproof slide fastener 2 includes a pair of left and right fastener stringers 50 in which a plurality of synthetic resin fastener elements 60 are injection-molded at opposite tape side edges of the waterproof tape 51, and a plurality of fasteners.
- a slider (not shown) that is slidably arranged along the element row 55 including the elements 60, a not-shown opening / closing insertion tool arranged on the rear end side of the element row 55, and a front end side of the element row 55 And a fastener not shown.
- the slider, the separation / insertion tool, and the stopper in the second embodiment the same sliders, the separation / insertion tool 40, and the stopper 45 in the first embodiment described above are used. It has been.
- the waterproof tape 51 in the second embodiment has a tape main part and a tape side edge disposed inside the tape main part, and a tape side edge (waterproof tape) on the tape side edge side. On the inner edge 51 of the tape 51, an enormous core string portion 51c is arranged along the tape length direction.
- the waterproof tape 51 includes a woven or knitted fastener tape 52 and a waterproof layer 53 formed on the tape surface (second tape surface) of the fastener tape 52.
- the waterproof layer 53 is made of a thermoplastic elastomer containing a silicone resin or a fluororesin, as in the case of the first embodiment, and a part of the waterproof layer 53 is a fastener element 60. It is formed in the tape side edge part and tape main part except the area
- the entire waterproof tape 51 is water repellent as described later.
- a water repellent effect by adhering the agent it becomes possible to repel the liquid at the exposed portion of the fastener tape 52, so that the liquid soaks into the fastener tape 52 and the liquid flows from the tape surface side to the tape back side. Leakage can be suppressed.
- the fastener element 60 in the second embodiment includes a first element portion 61 disposed on the tape back surface (first tape surface) side of the waterproof tape 51 across the tape side edge portion of the waterproof tape 51, and waterproof. And the second element portion 62 disposed on the tape surface (second tape surface) side of the adhesive tape 51.
- the first element portion 61 includes a body portion fixed to the waterproof tape 51, a neck portion formed continuously from the body portion, and a meshing head formed continuously from the neck portion. This has the same shape as the first element portion 21 of the fastener element 20 in the first embodiment.
- the second element portion 62 includes a substantially rectangular parallelepiped base portion 62a fixed to the waterproof tape 51 and an element head portion 62b extending in the tape width direction from the base portion 62a so as to protrude from the tape inner edge of the waterproof tape.
- the element head 62b of the second element portion 62 has the tip of the element head 62b formed parallel to the tape length direction, and the element width decreases at a constant rate toward the tip of the element head 62b.
- it has a shape that presents a substantially triangular shape in plan view, and is different in shape from the element head portion 22b in the first embodiment described above.
- the element side surfaces (front surface and rear surface) of the element head 62b are not formed in an inclined surface shape as in the first embodiment, and are orthogonal to the tape surface of the waterproof tape 51. It is arranged along (vertical direction).
- the second element portion 62 is a second element of the fastener element 60 adjacent to the mating counterpart.
- the element side surface of the second element portion 62 is brought into contact with the meshing counterpart second element portion 62, and the tip of the element head 62b is connected to the core tape portion 51c of the mating counterpart waterproof tape 51. Contact.
- the element side surface of the element head 62b is arranged along the vertical direction as described above, when the left and right fastener elements 60 are engaged with each other, It becomes possible to make the element side surface of the 2 element part 62 contact (surface contact) in a wide range with respect to the element side surface of the second element part 62 of the mating counterpart.
- the fastener element 60 of the second embodiment is more flexible than the fastener element 20 of the first embodiment when the right and left fastener elements 60 are engaged with each other. Although it is difficult to form a gap between the left and right fastener elements 60, the liquid tightness between the fastener elements 60 can be improved.
- the fastener element 60 is formed by injection molding a thermoplastic resin material containing a predetermined proportion of silicone resin or fluororesin. Has been.
- a water repellent is applied and adhered to the outer surfaces of the waterproof tape 51 and the fastener element 60.
- members and parts not described above are configured in the same manner as the waterproof slide fastener 1 in the first embodiment.
- the operability of the slider is good and the liquid tightness between the left and right fastener elements 60 is the same as that of the first embodiment. Since it can raise more than the case, the penetration
- FIG. 8 is an enlarged view showing a main part of the waterproof slide fastener 3 according to the third embodiment in an enlarged manner from the upper surface side in a state where the left and right element rows are engaged with each other.
- 9 is an enlarged view of a main part showing one fastener stringer
- FIG. 10 is a cross-sectional view taken along the line XX shown in FIG.
- the waterproof slide fastener 3 includes a pair of left and right fastener stringers 3a in which a plurality of synthetic resin fastener elements 100 are injection-molded at opposing tape side edges of the waterproof tape 11, and a plurality of fasteners.
- a slider (not shown) arranged to be slidable along the element row composed of the elements 100, a separation fitting not shown (not shown) arranged on the rear end side of the element row, and a front end side of the element row.
- a fastener (not shown).
- the waterproof tape 11, the slider, the separation fitting insert, and the stopper in the third embodiment include the waterproof tape 11, the slider 30, the separation fitting insert 40 in the first embodiment described above, And the thing similar to the fastener 45 is used.
- the fastener element 100 in the third embodiment includes a first element portion 101 disposed on the tape back surface side of the waterproof tape 11 across the tape side edge portion of the waterproof tape 11, and the tape surface of the waterproof tape 11. And a second element portion 102 arranged on the side.
- the first element portion 101 includes a body portion fixed to the waterproof tape 11, a neck portion 101b formed continuously from the body portion, and a meshing head portion 101c formed continuously from the neck portion 101b. And it has the same shape as the 1st element part 21 of the fastener element 20 in the above-mentioned 1st Embodiment.
- the second element portion 102 has a trunk portion 102a fixed to the waterproof tape 11, a neck portion 102b formed continuously from the trunk portion 102a, and an engagement head portion 102c formed continuously from the neck portion 102b. is doing.
- the second element portion 102 formed on the tape front surface side has the same shape as the first element portion 101 formed on the tape back surface side, but the tape length with respect to the first element portion 101 is longer.
- the first element portion 101 is integrated with the first element portion 101 by shifting the position by a predetermined dimension to one direction (front side) in the direction.
- the boundary position between the first element portion 101 and the second element portion 102 is set at the same height as the center position of the waterproof tape 11 in the tape front and back direction.
- the dimensions of the element portions protruding from the tape inner edges of the first and second element portions 101 and 102 are determined when the left and right fastener elements 100 are engaged. It is set to be larger than the interval between the opposite inner edges of the tapes.
- the left and right waterproof tapes 11 are separated from each other, the first element portion 101 of the fastener element 100 meshes with each other, and the second element portion 102 displaced forward with respect to the first element portion 101 also meshes with each other.
- the left and right first element portions 101 mesh with each other so as to cover a small gap formed between the meshed left and right second element portions 102, and the left and right second element portions 102 mesh with each other. Mesh with each other so as to cover a small gap formed between the first element portions 101. This prevents a gap between the left and right fastener elements 100 from penetrating linearly from the front surface side to the back surface side.
- the tip of the meshing head 101c of the first element portion 101 and the tip of the meshing head 102c of the second element portion 102 are brought into contact with the core string portion 11c of the waterproof tape 11 of the mating counterpart.
- the tip portions of the meshing heads 101c and 102c can be slightly pushed into the core string 11c of the mating counterpart.
- the fastener element 100 is formed by injection molding a thermoplastic resin material containing a predetermined percentage of silicone resin or fluorine resin. Has been. Further, the same water repellent as in the first embodiment is applied and adhered to the outer surfaces of the waterproof tape 11 and the fastener element 100.
- the waterproof slide fastener 3 in the third embodiment members and parts not described above are configured in the same manner as the waterproof slide fastener 1 in the first embodiment.
- the operability of the slider is good, and the water repellent by the water repellent applied to the waterproof tape 11 and the fastener element 100 is used. Since both the effect and the water repellent effect of the silicone resin or fluororesin contained in the fastener element 100 are provided, it is possible to effectively prevent liquid from entering from the tape surface side to the tape back side, and to stabilize the desired waterproofness. Can be demonstrated.
- the waterproof slide fastener 1 described in the first embodiment was used. That is, in the waterproof slide fastener of Example 1, the fastener element is made of polyacetal containing a silicone resin, and the waterproof tape and the fastener element are coated with a fluorine-based water repellent and adhered. Yes.
- the chain width in the waterproof slide fastener of this Example 1 is set to 5.8 mm.
- the chain width is the dimension in the tape width direction from the tape inner edge of the left fastener element to the tape inner edge of the right fastener element when the left and right element rows are engaged.
- a waterproof slide fastener of Comparative Example 1 a waterproof slide fastener in which the fastener element is composed only of polyacetal containing no silicone resin, and no water repellent is applied to the waterproof tape and the fastener element. was used.
- the waterproof slide fastener of Comparative Example 2 although the fastener element was made of polyacetal containing a silicone resin, the waterproof tape and the fastener element to which no water repellent was applied were used.
- the waterproof slide fastener of Comparative Example 3 the waterproof tape and the fastener element were coated with a fluorine-based water repellent, but the fastener element was composed only of polyacetal containing no silicone resin. .
- Example 1 Three test pieces of waterproof slide fasteners of Example 1 and Comparative Examples 1 to 3 as described above were prepared, and a shower test by the rain test B method was performed on each test piece.
- the rain test B method performed with respect to each test piece is demonstrated concretely.
- the fixing jig 80 for fixing the test piece 86 of the waterproof slide fastener is arranged on the lower side of the opening member 84 with an opening member 84 having an opening window for applying water poured from above to the test piece 86, and tested. And a water storage member 82 having a storage part for storing the water that has passed through the piece 86.
- the test piece 86 is set at a predetermined position by being sandwiched between the opening member 84 and the water storage member 82. Further, in order to maintain the predetermined inclination state while preventing the test piece 86 from being submerged, the rain test B method uses the angle fixing tool 88 to fix the state in which the fixing jig 80 is inclined at an angle of 45 °. Then a shower test is carried out. As shown in FIG. 11, the dimensions of the opening window of the opening member 84 are such that the window length is 200 mm and the window width is 15 mm. Further, the length of the test piece 86 (the dimension in the tape length direction) is 250 mm.
- FIG. 12 is a diagram showing the appearance of the artificial rain apparatus when the rain test B method is performed.
- the fixing jig 80 and the angle fixing tool 88 are shown in cross section.
- a fixing jig 80 holding the test piece 86 is attached to an angle fixing tool 88 and held in a state inclined at an angle of 45 ° with respect to the horizontal direction.
- a spray nozzle 90 for watering is disposed at a position 2000 mm above the fixed jig 80.
- a water supply pipe 92 is connected to the spray nozzle 90 to pump water into the interior.
- a water amount adjusting valve 94 for adjusting the amount of water to be sprinkled is disposed.
- the test piece 86 of the waterproof slide fastener is cut into a length of 250 mm, and the mass (M0) of the test piece 86 before the shower test is measured in advance. Then, the test piece 86 is sandwiched between the opening member 84 and the water storage member 82 and set at a predetermined position of the fixed jig 80. At the same time, a blotting paper for sucking the water accumulated in the water storage member 82 after the end of the test and measuring the mass of the water that has passed through the test piece 86 is prepared, and the initial mass (M1) of the blotting paper is calculated. Weigh in advance.
- the fixing jig 80 sandwiching the test piece 86 is attached to the angle fixing tool 88 and held at an angle of 45 °, and is arranged at a position of 2000 mm below the spray nozzle 90. Subsequently, water is sprayed from the spray nozzle 90 to the fixed jig 80, and while the rain gauge is observed, the water amount adjusting valve 94 is adjusted to control the rainfall amount to 100 mm / h. On the other hand, a shower test is performed. And water spraying is stopped after 15 minutes have passed since the start of water spraying on the test piece 86.
- the test piece 86 is removed from the fixed jig 80, and the mass (M2) of the test piece 86 after the test is weighed. Further, the absorbent paper is soaked in a water reservoir accumulated in the water storage member 82 to absorb all the water accumulated in the water storage member 82. And the mass (M3) of the blotting paper after water absorption is measured.
- the calculation of the amount of water intrusion by the rain test B method is performed on the test pieces of each waterproof slide fastener prepared by three, whereby the waterproof slide fasteners of Example 1 and Comparative Examples 1 to 3 are provided. The waterproofness was compared.
- Table 1 shows the results of calculating the amount of water intrusion for each test piece by the rain test B method as described above and the average value of the amount of infiltration in each waterproof slide fastener from the result.
- the waterproof slide fastener of Example 1 can suppress the amount of water ingress and is excellent in waterproofness as compared with the waterproof slide fasteners of Comparative Examples 1 to 3. It was confirmed.
- the fixed jig 80 after the shower test was performed on the test piece of the waterproof slide fastener of Example 1, water was hardly accumulated in the water storage member 82. For this reason, most of the amount of water intrusion calculated for Example 1 is considered to be the amount of moisture permeated or retained in the waterproof slide fastener.
- Example 1 when such a waterproof slide fastener of Example 1 is attached to an opening or an opening / closing part of a product such as a bag, bag, or clothing, the opening or opening / closing part is closed by closing the waterproof slide fastener. It is possible to effectively prevent liquid such as water from entering from the outside to the inside of the product through the section.
- the test pieces of Example 1 and Comparative Examples 1 to 3 are each provided in three pieces as in the case of the first embodiment.
- the amount of water intrusion in the waterproof slide fastener of Example 1 is larger than that of the waterproof slide fastener of Comparative Examples 1 to 3. It became a small value.
Landscapes
- Slide Fasteners (AREA)
Abstract
Description
更に、前記防水層内に、シリコーン樹脂又はフッ素樹脂が含有されていることが好ましい。
3a ファスナーストリンガー
10 ファスナーストリンガー
11 防水性テープ
11a テープ主体部
11b テープ側縁部
11c 芯紐部
12 ファスナーテープ
13 防水層
15 エレメント列
20 ファスナーエレメント
21 第1エレメント部
21a 胴部
21b 首部
21c 噛合頭部
21d 隆起部
22 第2エレメント部
22a 基部
22b エレメント頭部
23a 第1漸減部
23b 第2漸減部
23c 段部
30 スライダー
31 スライダー胴体
32 引手
40 開離嵌挿具
41 蝶棒
42 箱棒
43 箱体
45 止具
50 ファスナーストリンガー
51 防水性テープ
51c 芯紐部
52 ファスナーテープ
53 防水層
55 エレメント列
60 ファスナーエレメント
61 第1エレメント部
62 第2エレメント部
62a 基部
62b エレメント頭部
80 固定ジグ
82 貯水部材
84 開口部材
86 試験片
88 角度固定具
90 スプレーノズル
92 配管
94 水量調節弁
100 ファスナーエレメント
101 第1エレメント部
101b 首部
101c 噛合頭部
102 第2エレメント部
102a 胴部
102b 首部
102c 噛合頭部
Claims (4)
- 第1及び第2テープ面の少なくとも一方に合成樹脂製の防水層(13,53) を備えた左右の防水性テープ(11,51) の対向するテープ側縁部(11b) に複数の合成樹脂製ファスナーエレメント(20,60,100) が取着された一対のファスナーストリンガー(10,50,3a)と、複数の前記ファスナーエレメント(20,60,100) からなるエレメント列(15,55) に取着されたスライダー(30)とを有し、左右の各ファスナーエレメント(20,60,100) は、噛合相手方の前記ファスナーエレメント(20,60,100) と噛み合う噛合部を備え、且つ、前記防水性テープ(11,51) のテープ側縁から突出して前記エレメント列(15,55) の噛合時に相手方の前記テープ側縁部(11b) に当接する防水性スライドファスナー(1,2,3) であって、
前記ファスナーエレメント(20,60,100) 内に、シリコーン樹脂又はフッ素樹脂が含有され、
前記防水性テープ(11,51) 及び前記ファスナーエレメント(20,60,100) に撥水剤が塗布されてなる、
ことを特徴とする防水性スライドファスナー。 - 前記ファスナーエレメント(20,60) は、前記防水性テープ(11,51) の前記第1テープ面側に配された第1エレメント部(21,61) と、前記防水性テープ(11,51) の前記第2テープ面側に配され、前記第1エレメント部(21,61) とは形状の異なる第2エレメント部(22,62) とを有し、
前記第1エレメント部(21,61) に、前記噛合部が配され、
前記第2エレメント部(22,62) は、前記防水性テープ(11,51) の前記テープ側縁から突出し、前記エレメント列(15,55) の噛合時に噛合相手方の互いに隣接する前記ファスナーエレメント(20,60) 間に挿入されて前記防水性テープ(11,51) の前記テープ側縁部(11b) に当接するエレメント頭部(22b,62b) を備えてなる、
請求項1記載の防水性スライドファスナー。 - 前記ファスナーエレメント(20,60,100) 内の前記シリコーン樹脂又はフッ素樹脂の含有量は、0.2重量%以上1.5重量%未満に設定されてなる請求項1又は2記載の防水性スライドファスナー。
- 前記防水層(13,53) 内に、シリコーン樹脂又はフッ素樹脂が含有されてなる請求項1~3のいずれかに記載の防水性スライドファスナー。
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CN201280073905.0A CN104363785B (zh) | 2012-06-28 | 2012-06-28 | 防水性拉链 |
PCT/JP2012/066602 WO2014002234A1 (ja) | 2012-06-28 | 2012-06-28 | 防水性スライドファスナー |
DE112012006591.3T DE112012006591B4 (de) | 2012-06-28 | 2012-06-28 | Wasserdichter Reißverschluss |
US14/410,788 US9301579B2 (en) | 2012-06-28 | 2012-06-28 | Waterproof slide fastener |
TW102122786A TWI495439B (zh) | 2012-06-28 | 2013-06-26 | Waterproof zipper |
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Also Published As
Publication number | Publication date |
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US20150201718A1 (en) | 2015-07-23 |
DE112012006591T5 (de) | 2015-04-02 |
TW201402034A (zh) | 2014-01-16 |
DE112012006591B4 (de) | 2019-08-14 |
US9301579B2 (en) | 2016-04-05 |
TWI495439B (zh) | 2015-08-11 |
CN104363785A (zh) | 2015-02-18 |
CN104363785B (zh) | 2017-06-09 |
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