US3852869A - Method and apparatus for removing interlocking fastener elements from a slide fastener chain - Google Patents

Method and apparatus for removing interlocking fastener elements from a slide fastener chain Download PDF

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Publication number
US3852869A
US3852869A US00417531A US41753173A US3852869A US 3852869 A US3852869 A US 3852869A US 00417531 A US00417531 A US 00417531A US 41753173 A US41753173 A US 41753173A US 3852869 A US3852869 A US 3852869A
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United States
Prior art keywords
elements
severing
length
fastener
portions
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Expired - Lifetime
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US00417531A
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English (en)
Inventor
H Shimai
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YKK Corp
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Yoshida Kogyo KK
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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • A44B19/58—Removing interlocking members to produce gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49782—Method of mechanical manufacture of a slide fastener
    • 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
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5101—Slide fastener or slide fastener element
    • 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
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5136—Separate tool stations for selective or successive operation on work
    • Y10T29/5137—Separate tool stations for selective or successive operation on work including assembling or disassembling station
    • Y10T29/5139—Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to sever work prior to disassembling
    • 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
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53291—Slide fastener
    • Y10T29/53309—Disassembly means

Definitions

  • ABSTRACT A method and apparatus for removing interlocking fastener elements from a slide fastener chain at predetermined intervals so as to provide alternate elementfree and element-containing sections, the element-free or space sections being utilized for the assembling on the fastener chain of sliders and end stops.
  • Means are provided for severing the interengaged parts of a length of fastener elements on opposed stringer tapes, which means are vertically disposed in criss-cross relation to means for removing the residual element debris resulting from the severing of said elements.
  • the latter means include a pair of grippers movable towards and away from each other and capable of holding. said length of elements first loosely at their connecting portions and then firmly at their arm portions to retain said elements against displacement during the severing thereof.
  • This invention relates to the provision of a slide fastener stringer which has end portions devoid of interlocking fastener elements, more particularly to a method and apparatus for removing fastener elements at predetermined intervals from a slide fastener chain of substantially endless length thereby providing therein alternate element-containing and element-free sections.
  • slide fastener manufacturers To simplify and facilitate the assembling and finishing of slide fasteners, it is nowadays the common practice of the slide fastener manufacturers to work on a continuous chain of slide fastener stringers carrying thereon uninterrupted, interengaged rows of interlocking elements rather than on separated individual fastener stringers. It has been the usual practice to provide element-free of space sections in the fastener chain at predetermined intervals thereon for mounting sliders and end stops and thereafter to cut the chain into individual product length.
  • the present invention has for its object to provide a novel method for removing a desired length of interlocking fastener elements from a continuous slide fastener chain without any damage to the woven or sewn threads, reinforcing cords, braids or the like which are used to secure the elements to the carrier tapes and which are hereinafter collectively referred to as element securing members, and an apparatus for effectively carrying this method into practice.
  • lt is a more specific object of the invention to provide a novel method and apparatus for removal of a length of fastener elements which ensures that the elements to be removed are held in correct position relative to the path of a cutting or severing means so as to cut them off exactly at those portions which are coupled together and further that the removal of the remaining portions or debris of the elements is effected with utmost ease, resulting in the provision of clean elementfree or space sections as desired on the fastener chain.
  • FIG. 1 is a plan view of a segment of a slide fastener chain provided with an element-free or space section in accordance with the invention
  • FIG. 2 is a plan view of a space-forming apparatus embodying the invention
  • F IG. 3 is a front elevation, partly broken away, of the apparatus of FIG. 2; v
  • FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG. 2;
  • FIGS. 5a through 512 inclusive are sectional elevations of the operating parts of the apparatus of FIG. 2 (FIG. 3), and are utilized to illustrate the different operating phases that the apparatus assumes during the removal of fastener elements.
  • FIG. 1 a segment of a slide fastener chain F which consists of a pair of opposed stringer tapes T each carrying along their respective inner edges a row of interlocking fastener elements E. More specifically, the fastener chain F is provided with a predetermined length of an element-free or space sections G alternating with an element-containing section Es. This element-free section is utilized for the assembling of a slider and end stops on the fastener chain F in the well known manner.
  • FIGS. 2 through 4 there is shown a space-forming apparatus which comprises a supporting table 11 on which are mounted the various operating parts including a guiding means 12 for guiding a slide fastener chain F thereon during the movement of the latter to a space-forming station, an element severing means 13 for severing a length'of fastener elements E, and an element-debris removing means 14 for removing residual debris of fastener elementsE resulting from the severing thereof.
  • a guiding means 12 for guiding a slide fastener chain F thereon during the movement of the latter to a space-forming station
  • an element severing means 13 for severing a length'of fastener elements E
  • an element-debris removing means 14 for removing residual debris of fastener elementsE resulting from the severing thereof.
  • the guiding means 12 comprises a pair of guide blocks 15a, 15b disposed on opposite sides of the space-forming station defined at the element severing means 13.
  • Each guide block includes a pressure pad 17 havingdownwardly projecting abutments 18 extending longitudinally in parallel with the path of the fastener chain F and defining therebetween an element guide channel 19, and a supporting block 20 underlying the pressure pad 17 and having a vertically extending guide slot 21 and a splitting member 22 accommodated therein and adapted with its tip end 22a to intrude between and split open the opposed inner edges of the two stringer tapes T along which are secured the rows of fastener elements E.
  • the guiding means 12 serves to hold the fastener chain F flat in correst horizontal alignment between the oppositely disposed guide blocks 15a, 1512 when the chain F is advanced intermittently by a feeding and positioning means (not shown) onto the space-forming station prior to the activation of the severing means 13 and the element-debris removing means 14.
  • the fastener chain F is fed with its back side down, viz. with its front side carrying the elements E facing the pressure pad 17 and is held in sandwiched relation between the pressure pad 17, splitting member 22 and supporting block 20.
  • the severing means 13 comprises a punch carrying anvil 23 and a die block 24 that are disposed in vertically opposed relation as best shown in FIG. 3.
  • the anvil 23 has mounted therein a vertically reciprocable punch 25 which has a bottom end 26 in abutting engagement with a pusher rod 27.
  • the rod 27 is connected to and vertically moved by a suitable actuating means not shown. Raising the pusher rod 27 causes the punch 25 to move upwardly relative to the anvil 23 against tension of a spring member 28 accommodated within the anvil 23, and lowering the rod 27 allows the spring 28 to restore thereby urging the punch 25 into normally retracted position.
  • the die block 24 which is located above the anvil 23 according to the illustrated embodiment, is secured to a supporting plate 29 and is vertically movable together therewith. This vertical movement is effected by a pusher rod 30 in a manner similar to the aforesaid pusher rod 27.
  • the die block 24 is provided with a vertical die slot 31 and with a spring-loaded die member 32 movable therein.
  • the die member 32 has an upper end 33 connected to a spring member 34 accommodated in the block 23 and is normally urged downwardly toward the punch 25.
  • the punch 25 is provided at its tip end with bladed edges 25a which are dimensioned to fit into the die slot 31 and which constitute with the latter a coacting die cutter for severing the coupling head portions Ea of the fastener elements E.
  • the punch 25 is positioned between and contiguous with the splitting members 22 in the opposed guide blocks 15a, 1512 such that the bladed edges 25a of the punch 25 normally lie flush with the tip end 22a of each splitting member 22.
  • the arrangement being that the punch 25 can readily intrude between the element-carrying edges of the opposed stringer tapes T which have been split open by the splitting members 22.
  • the element-debris removing means 14 comprises a pair of horizontally opposed grippers 35a, 35b which are positioned in criss-cross relation to the vertically disposed severing means 13, and an actuating means for moving these grippers toward and away from each other.
  • Each of the grippers 35a, 35b consists of an elongated upper jaw 36 and a similar lower jaw 37' each having at one end inwardly directed claw 38 with which to grip the fastener elements E as better seen in FIG. 5. Both of these jaws are mounted coaxially on a pin 39 extending parallel with the path of the fastener chain F. H
  • the lower jaw 37 is slidable along a guide groove (not shown) in the table 11, and is provided at its bottom surface with a rack 40 engaging with a first sector gear 41 connected eccentrically to a driving rod 42, whereby the gripper 35a (35b) is moved horizontally towards and away from the severing means 13.
  • a cam roll 43 which engages with a cam .plate 44 slidably along a guide groove (not shown) in the table 11.
  • the cam plate 44 is provided at its bottom with a rack 45 engag- I ing with a second sector gear 46 connected eccentrically to a driving rod 47, whereby the upper jaw 36 'is imparted with a pivotal motion about the pin 39.
  • Designated at 48 is a spring member adapted to bias the upper jaw 36 normally downwardly.
  • FIGS. 5a through 5h inclusive illustrate a complete cycle of operation required to accomplish the removal of a desired length of fastener elements E in accordance with the invention.
  • the fastener chain F on entry to the space-forming station is split open along the abutting inner longitudinal edges of the two opposed stringer tapes T by the splitting member 22 in each guiding means 12, whereupon the punch 25 intrudes between the thus split edges of the tapes T, with the bladed edges 25a abutting against the lower faces of the coupling head portions Ea of fastener elements E.
  • the die block 24 descends together with the die member 32 until they come into abutting engagement with the upper faces of the coupling head portions Ea.
  • the fastener elements E are thus retained firmly in position, being sandwiched between the punch 25 and the die block 24, as shown in FIG. 5b.
  • the second phase of the cycle further includes rotation of the first sector gears 4ll in a direction to cause the grippers 35a, 35b to move inwardly toward each other to a position wherein their jaws 36, 37 can grip the connecting portions E of the fastener elements E as still shown in FIG. b.
  • the third phase then commences with rotation of the second sector gear 46 to move the cam plate 44 inwardly until the cam roll 43 rides on a first cam face 44a, whereupon the upper jaw 36 tilts down about the pin 39 so that its claw 38 lands upon the upper faces of the connecting portions Ec of fastener elements E and cooperates with the lower jaw 37 in loosely gripping the connecting portions Be as shown in FIG. 5c.
  • the fifth phase takes place with further rotation of the second sector gear 46 to move the cam plate 44 further inwardly until the cam roll 43 leaves the first cam face 44a and rides onto a second cam face 44]; greater in height than the first cam face 44a, whereupon the upper jaw 36 is brought into more intimate contact with the fastener elements E so that the claws 38 on both upper and lower jaws bite into the upper and lower arm portions Eb thereby firmly gripping the fastener elements E within the space-forming station and thus retaining the same in position against displacement during the subsequent element severing operation, as shown in FIG. See.
  • the sixth phase now begins with the upward stroke of the punch 25, when its bladed top edges a cut the interengaged coupling head portions Ea of the fastener elements E and take them away into the die slot 31 as seen in FIG. 5f.
  • the first sector gear 41 is arranged to rotate in the opposite direction so that the grippers 35a, 35b associated therewith are now retracted outwardly away from each other, taking with them all of the remaining element debris including arm portions Eb and connecting portions Ec, apart from the element-securing members that have secured the elements E to the tapes T, as shown in FIG. 5g.
  • the seventh phase of the operating cycle which includes reverse rotation of the second sector gear 46 to release the cam roll 43 from the cam faces 44b and 44a respectively so that the upper jaw 36 moves upwardly apart from the element debris, causing the latter to drop.
  • the eighth or final phase of the cycle takes place wherein the die block 24 and the punch 25 are moved vertically away from each other and retracted to their respective initial positions.
  • the respective positions that the severing means I3 and element-debris removing means 14 assume upon completion of the space-forming cycle are illustrated in FIG. 5h which figure corresponds to FIG. 511, wherein these operating parts are on stand-by to repeat the above cycle of operation when the next section of the fastener chain F is advanced into the spaceforming station.
  • the operating positions of the die and punch may be exchanged so that the punch is located above the die.
  • the gripper actuating means including the sector gears and racks may be substituted by suitable cam, lever or link mechanisms.
  • the type of slide fasteners to which the principles of the invention can be applied may be a so-called woven fastener other than such fastener illustrated herein which has rows of interlocking elements secured by sewing threads to their respective stringer tapes.
  • An apparatus for removing fastener elements from a slide fastener chain consisting of a pair of opposed stringer tapes carrying thereon uninterrupted rows of continuous fastener elements in interlocked relation, element-securing members affixing said rows of elements to the respective tapes, each of said elements having a coupling head, two arm portions and connecting portions merging into adjoining elements
  • which apparatus comprises a severing means including vertically movable cutting punch and coacting die for severing a length of fastener elements, said severing means being disposed vertically relative to the plane of the fastener chain, an element-debris removing means including a pair of grippers for removing residual debris of fastener elements resulting from the severing thereof, said removing means being horizontally disposed in crisscross relation to said severing means, an actuating means for moving said pair of grippers horizontally towards and away from each.
  • a splitting means for splitting open the abutting inner edges of the opposed stringer tapes, said punch having bladed edges lying normally flush with said splitting member, a cam means for causing said grippers to hold the said length of fastener elements first loosely at the connecting portions thereof and then firmly at the arm portions to retain said length of elements against displacement during the severing thereof.
  • An apparatus for removing fastener elements from a slide fastener chain consisting of a pair of opposed stringer tapes carrying thereon uninterrupted rows of continuous fastener elements in interlocked relation, element-securing members affixing said rows of elements to the respective tapes, each of said elements having a coupling head, two arm portions and connecting portions merging into adjoining elements
  • which apparatus comprises a guiding means including oppositely disposed guide blocks for guiding the movement of the fastener chain therebetween and holding the same in horizontal alignment, a severing means including vertically movable cutting punch and coacting die for severing a length of fastener elements, said severing means being disposed vertically relative to the plane of the fastener chain, an element-debris removing means including a pair of grippers for removing residual debris of fastener elements resulting from the severing thereof,
  • said removing means being horizontally disposed in criss-cross relation to said severing means, an actuating means for moving said pair of grippers horizontally towards and away from each other, a splitting member provided in each of said guide blocks for splitting open the abutting inner edges of the opposed stringer tapes, said punch having bladed edges lying normally flush with said splitting member, a cam means for causing said grippers to hold the said length of fastener elements first loosely at the connecting portions thereof and then firmly at the arm portions to retain said length of elements against displacement during the severing thereof.
  • said actuating means comprises a sector gear engaging with a rack provided in each of said grippers.

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  • Slide Fasteners (AREA)
US00417531A 1972-11-28 1973-11-20 Method and apparatus for removing interlocking fastener elements from a slide fastener chain Expired - Lifetime US3852869A (en)

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JP11913172A JPS5326171B2 (sv) 1972-11-28 1972-11-28

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US (1) US3852869A (sv)
JP (1) JPS5326171B2 (sv)
AU (1) AU474527B2 (sv)
BE (1) BE807929A (sv)
BR (1) BR7309343D0 (sv)
CA (1) CA1000038A (sv)
DE (1) DE2359272C3 (sv)
DK (1) DK139294B (sv)
ES (2) ES420861A1 (sv)
FR (1) FR2207664B1 (sv)
GB (1) GB1444234A (sv)
HK (1) HK35378A (sv)
IT (1) IT999839B (sv)
MY (1) MY7900070A (sv)
NL (2) NL168126C (sv)
SE (1) SE405792B (sv)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019240A (en) * 1975-05-28 1977-04-26 Textron, Inc. Process for gapping slide fastener chain
DE2852589A1 (de) * 1977-12-07 1979-06-13 Yoshida Kogyo Kk Verfahren und vorrichtung zur erzeugung kuppelgliederfreier bereiche in einer endlosen reissverschlusskette
US4188716A (en) * 1977-08-10 1980-02-19 Yoshida Kogyo K.K. Apparatus for gapping a slide fastener chain
US4224730A (en) * 1978-07-12 1980-09-30 Yoshida Kogyo K.K. Method and apparatus for removing fastener elements from a slide fastener chain
US4236293A (en) * 1977-12-30 1980-12-02 Yoshida Kogyo K.K. Method and apparatus for forming space sections in a slide fastener
US4404722A (en) * 1980-05-01 1983-09-20 Yoshida Kogyo, K.K. Apparatus for forming a space section in a pair of continuous slide fastener stringers
US4638542A (en) * 1983-06-28 1987-01-27 Yoshida Kogyo K. K. Method and apparatus for forming element-free spaces in slide fastener chains
CN101497141B (zh) * 2008-01-28 2011-06-15 福建浔兴拉链科技股份有限公司 拉链倒角机构及使用该倒角机构的拉链植齿机
CN104738910A (zh) * 2013-12-31 2015-07-01 常熟市给力拉链设备有限公司 单向尼龙免修齿定寸机
CN104902778A (zh) * 2013-12-27 2015-09-09 Ykk株式会社 牙链的间隙制作方法及其装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5591304A (en) * 1978-12-28 1980-07-10 Yoshida Kogyo Kk Device of preparing space of fastener chain
JPH0529604Y2 (sv) * 1986-12-28 1993-07-29
JPH07152B2 (ja) * 1988-02-17 1995-01-11 ワイケイケイ株式会社 生地付きスライドファスナーチェーンの整列方法とその装置
JPH0767403B2 (ja) * 1990-07-23 1995-07-26 ワイケイケイ株式会社 スライドファスナーチエーンのスペース部作成装置
US5212863A (en) * 1991-05-13 1993-05-25 Yoshida Kogyo K.K. Method for forming element-free spaces in slide fastener chain
JPH04364803A (ja) * 1991-05-13 1992-12-17 Yoshida Kogyo Kk <Ykk> スライドファスナーチェーンのスペース部作成方法
CN105382527B (zh) * 2015-12-16 2018-05-22 芜湖杰诺科技有限公司 一种球阀装配机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631581A (en) * 1970-04-30 1972-01-04 Textron Inc Methods and apparatus for cleaning gapped slide fastener chain

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631581A (en) * 1970-04-30 1972-01-04 Textron Inc Methods and apparatus for cleaning gapped slide fastener chain

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019240A (en) * 1975-05-28 1977-04-26 Textron, Inc. Process for gapping slide fastener chain
US4091532A (en) * 1975-05-28 1978-05-30 Textron Inc. Apparatus for gapping slide fastener chain
US4188716A (en) * 1977-08-10 1980-02-19 Yoshida Kogyo K.K. Apparatus for gapping a slide fastener chain
US4242785A (en) * 1977-08-10 1981-01-06 Yoshida Kogyo Kk Method for gapping a slide fastener chain
DE2852589A1 (de) * 1977-12-07 1979-06-13 Yoshida Kogyo Kk Verfahren und vorrichtung zur erzeugung kuppelgliederfreier bereiche in einer endlosen reissverschlusskette
FR2410976A1 (fr) * 1977-12-07 1979-07-06 Yoshida Kogyo Kk Procede et appareil pour former des sections exemptes d'elements d'accouplement dans des chaines de fermeture a glissiere
US4236293A (en) * 1977-12-30 1980-12-02 Yoshida Kogyo K.K. Method and apparatus for forming space sections in a slide fastener
US4224730A (en) * 1978-07-12 1980-09-30 Yoshida Kogyo K.K. Method and apparatus for removing fastener elements from a slide fastener chain
US4404722A (en) * 1980-05-01 1983-09-20 Yoshida Kogyo, K.K. Apparatus for forming a space section in a pair of continuous slide fastener stringers
US4638542A (en) * 1983-06-28 1987-01-27 Yoshida Kogyo K. K. Method and apparatus for forming element-free spaces in slide fastener chains
CN101497141B (zh) * 2008-01-28 2011-06-15 福建浔兴拉链科技股份有限公司 拉链倒角机构及使用该倒角机构的拉链植齿机
CN104902778A (zh) * 2013-12-27 2015-09-09 Ykk株式会社 牙链的间隙制作方法及其装置
TWI552698B (zh) * 2013-12-27 2016-10-11 Ykk股份有限公司 拉鍊鍊條的間隙作成方法及其裝置
CN104902778B (zh) * 2013-12-27 2019-11-05 Ykk株式会社 牙链的间隙制作方法及其装置
CN104738910A (zh) * 2013-12-31 2015-07-01 常熟市给力拉链设备有限公司 单向尼龙免修齿定寸机

Also Published As

Publication number Publication date
MY7900070A (en) 1979-12-31
DE2359272C3 (de) 1980-07-17
ES420864A1 (es) 1976-08-01
DK139294B (da) 1979-01-29
AU6294673A (en) 1975-05-29
NL168126C (nl) 1982-03-16
NL7316193A (en) 1974-05-30
JPS5326171B2 (sv) 1978-07-31
BE807929A (fr) 1974-03-15
DK139294C (sv) 1979-07-02
GB1444234A (en) 1976-07-28
IT999839B (it) 1976-03-10
HK35378A (en) 1978-07-14
DE2359272B2 (sv) 1979-11-08
FR2207664A1 (sv) 1974-06-21
JPS4977737A (sv) 1974-07-26
CA1000038A (en) 1976-11-23
AU474527B2 (en) 1976-07-22
DE2359272A1 (de) 1974-05-30
FR2207664B1 (sv) 1977-06-10
BR7309343D0 (pt) 1974-08-15
ES420861A1 (es) 1976-08-01
NL168126B (nl)
SE405792B (sv) 1979-01-08

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