EP0065318B1 - Fastener chain finishing apparatus - Google Patents

Fastener chain finishing apparatus Download PDF

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Publication number
EP0065318B1
EP0065318B1 EP82104408A EP82104408A EP0065318B1 EP 0065318 B1 EP0065318 B1 EP 0065318B1 EP 82104408 A EP82104408 A EP 82104408A EP 82104408 A EP82104408 A EP 82104408A EP 0065318 B1 EP0065318 B1 EP 0065318B1
Authority
EP
European Patent Office
Prior art keywords
punch
forming
stop
fastener chain
bender
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82104408A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0065318A1 (en
Inventor
Tatsuo Osaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YKK Corp
Original Assignee
Yoshida Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yoshida Kogyo KK filed Critical Yoshida Kogyo KK
Publication of EP0065318A1 publication Critical patent/EP0065318A1/en
Application granted granted Critical
Publication of EP0065318B1 publication Critical patent/EP0065318B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
    • B21F45/18—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of slide fastener elements
    • 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
    • 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
    • A44B19/60—Applying end stops upon stringer tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/46—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples
    • B21D53/50—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts
    • B21D53/56—Making other particular articles haberdashery, e.g. buckles, combs; pronged fasteners, e.g. staples metal slide-fastener parts stops

Definitions

  • This invention relates to a fastener chain finishing apparatus of the type mentioned in the first part of the accompanying claim.
  • US-A-2 987 809 already discloses an apparatus of this type which uses preformed stops.
  • this conventional method in which a stop part feeder feeds preformed stop parts one by one and the punch drives the stop parts into the fastener chain one by one is undesirably expensive.
  • one object of the present invention is to provide a fastener chain finishing apparatus which can prevent the remaining portions of the cut-out elements from entering the stop securing device and to thereby eliminate the disadvantages that the stop securing device fails to function and/or unacceptable stops are produced.
  • the machine can be made very compact and simple, on the one hand, while the remnants of the coupling elements are very easily entered into the stop forming and securing portion of the machine such as to impair the function of the same, on the other hand.
  • the jet orifice which strongly spouts out air to positively remove the remnants of the coupling elements from the stop forming and securing portion (i.e. toward the feeding direction of the slide fastener chain) is very important to the invention.
  • US-A-2 972 150 already discloses a machine for applying preformed bottom stops to a fastener chain, the machine being provided with a tube connected to an air pressure source. The jet orifice of this tube is directed downwardly and laterally with respect to the feeding direction of . the fastener chain.
  • the jet orifice would be introduced inversely to enter the machine portion, and also a strong spouting of the air could not be obtained, because the air must be spread such as to cover the total length of the cutting punch. Also, if the jet orifice were directed laterally in the invention, the remnants could not be removed effectively and also a strong spouting of the air could not be obtained for the same reason as stated above. So, the direction of the jet orifice stated in the claim of the invention is most desirable. However, when the forming punch and others are positioned immediately adjacent to the cutting punch there is no space to provide such jet orifice due to the presence of the forming die. Thus, according to the invention, the jet orifice is provided in the forming die.
  • the stop is secured to the fastener chain while forming the stop from the stop forming wire, the cost of the components can be reduced and in the formation of the space, since remaining portions of the elements are blown away from the stop securing device by air under high pressure, the element remaining portions are prevented from entering the stop securing device to thereby eliminate the disadvantages that the stop securing device fails to function and/or unacceptable stops are produced.
  • the finishing apparatus 10 of the present invention includes a base 11, and a hollow frame 12 mounted on and extending uprightly from the base 11.
  • a forming punch 13 and a cutting punch 14 which form components of a stopper securing device and spacer punch 15 which forms a component of a space forming device and these punches are adapted to be guided for upwardly and downwardly slidable movement.
  • the cutting punch 14 has a vertical groove 16' for receiving the forming punch 13 for slidable movement in the feeding direction side of a fastener chain 16 (the direction will be referred to as the downstream side and the opposite direction will be referred to as the upstream side, respectively, hereinafter) and the cutting punch 14 also has a cross-sectional configuration suitable for cutting a stop forming wire 17 fed to the stop securing device to a predetermined shape.
  • the forming punch 13 is integrally formed with the spacer punch 15 for upward and downward movement within the vertical groove 16 together with the spacer punch.
  • the spacer punch 15 is disposed adjacent and downstream of the forming punch 13 and has the length and thickness suitable for punching out heads of a predetermined number of elements on the fastener chain 16 which has a row of connected elements which engage each other.
  • the cutting punch 14, forming punch 13 and the spacer punch 15 are carried by a single punch holder (not shown) and periodically moved upwardly and downwardly, the cutting punch 14, the forming punch 13 and the spacer punch 15 are initially moved downwardly integrally by a cam and link mechanism (not shown) and thereafter, the forming punch 13 and spacer punch 15 can continue to move downwardly in spite of the fact that the cutting punch ceases the downward movement.
  • the frame 12 is formed with a transverse opening 19 on the upstream fastener chain feeding side and a bender 20 is slidably received within the opening 19.
  • the bender 20 has a forming die 21 at the downstream leading end thereof for cooperating with the forming punch 13.
  • The.forming die 21 forms a component of the stop securing device.
  • the bender 20 is formed at the upstream end with a stopper 22 adapted to engage the outer surface of the frame 12 to limit the protruding position of the bender and accordingly, of the forming die 21.
  • a spring 24 is compressed between the bender 20 and the extension 23 of the frame 12 to normally urge the bender 20 to protrude.
  • the bender is formed at the downstream end with a cam face 25 for engaging a cam face 26 on the cutting punch 14 whereby the bender 20 retracts against the force of the spring 24 as the cutting punch 14 moves downwardly.
  • the bender 20 is hollow and air under high pressure is supplied from an air pressure source (not shown) through a tube 27 and pipe 29 secured to the extension 23 by means of a bolt 28.
  • the leading end of the pipe 29 is maintained airtight with respect to the bender 20 by a seal 30, but the bender is allowed to slidably move relative to the pipe.
  • the air introduced into the bender 20 spouts onto the forming die 21 through a jet orifice 31.
  • a spring 32 is interposed between the leading end of the pipe 29 and the interior of the bender 20 to normally protrude the bender 20 in cooperation with the spring 24.
  • a flat guide face 33 is formed on the base 11 to form a chain guide for the fastener chain 16 to be fed to the finishing apparatus in cooperation with the undersurface of the extension of the frame 12.
  • a die 34 is formed on the base 11 in vertical alignment with the forming punch 13 to form a component of the stop securing device. The die 34 cooperates with the forming punch 13 to form a stop and secure the stop on the chain 16.
  • a spacer die 35 is formed on the base 11 in vertical alignment with the spacer punch 15 to form a component of the spacer forming device.
  • the spacer die 35 has a groove for receiving the spacer punch 15 to punch out the heads of a predetermined number of elements 18 to be removed in cooperation with the spacer punch 15.
  • the spacer die 35 cooperates with the element guide 36 in forming a chain guide for the fastener chain 16 which passes through the finishing apparatus.
  • the element guide 36 is bifurcated to receive the spacer punch 15 and has one end pivoted by means of a pin 38 to a bracket 37 which is in turn secured to the frame 12.
  • the downstream end of the element guide 36 has an angle member 39 secured thereto and the angle member 39 is urged upwardly by means of a spring 40 anchored to the frame 12, whereby the element guide 36 cooperates with the spacer die 35 in pinching the fastener chain 16 with a moderate pressure without interfering with the movement of fastener chain 16.
  • the finishing apparatus of the present invention comprises a wire feeding device 41 for intermittently feeding the stop forming wire 17 onto the forming die 21.
  • the wire feeding device includes a plurality of spaced wire guides 44 (only one wire guide is shown) arranged atong support 43 supported on a bracket 43 protruding from one side of the frame 12, a stationary lever 45 secured to the one side of the frame 12 and a rocking lever 46 for rocking by a predetermined angle in the wire feeding direction in synchronism with the upward and downward movement ' of the above-mentioned punch holder.
  • the wire guide 44 smoothly guides the wire 17 through between the rolls 47, 48 held on the levers 45, 46, respectively.
  • the stationary lever 45 has a roll guide groove 49 the width of which gradually increases from one end to the other end of the lever 45 and the opposite ends of the rolls 47 are freely received in the slot 53 in a roll holder 52 which is pivoted at the upper end by means of a pin 50 to the opposite sides of the lever 45 (only one side of the lever is shown) and connected at an intermediate point between the opposite ends thereof by means of a spring 51. to the lever 45, whereby the pair of upper and lower rolls 47 allows the wire 17 to move in the feeding direction, but prevents the movement of the wire in the opposite direction.
  • the rocking lever 46 is rocked right and left as shown by arrow about a pivot (not shown) at the upper end thereof each time the punch holder is moved upwardly and downwardly by a cam mechanism (not shown).
  • the rocking lever 46 is connected to the stationary lever 45 by a spring 53 and includes a roll guide groove 54 the width of which gradually increases from one side to the other side as in the case of the roll guide groove in the stationary lever 45.
  • the opposite ends of the rolls 48 are freely received in slots 58 in a roll holder 57 which is in turn pivoted at the upper end to the opposite sides of the lever 46 (only one side of the lever is shown) by a pin 55 and connected at an intermediate point between the opposite ends thereof to the lever 46 by a spring 56, whereby the pair of upper and lower rolls 48 held in the rocking lever 46 roll freely on the wire 17 as the lever 46 rocks in the opposite direction from the wire feeding direction and pinch and feed the wire 17 as the lever 46 returns to the wire feeding direction under the action of the spring 53. In this way, the levers 45, 46 intermittently feed the wire 17 in increments.
  • the fastener chain 16 having the row of elements 18 set thereon is guided along the guide face 33 and between and through the chain guides 35, 36 and is intermittently moved incrementally in the arrow direction as shown in Fig. 1.
  • the intermittent movement of the fastener chain is effected by an intermittent drive means positioned on the downstream side of the apparatus.
  • the forming punch 13 and cutting punch 14 are in their raised positions as shown in Fig. 4 and the stop forming wire 1-1 is fed onto the bender 20.
  • the punch holder carrying the forming punch 13 and the cutting punch 14 is lowered to thereby lower the punches 13,14 and the stop forming wire 17 is cut and deformed as shown in Fig. 5 by the cutting punch 14.
  • the cam face 26 on the cutting punch 14 comes to engage the cam face 26 on the bender 20 to retract the bender 20, where the cut and deformed stop forming wire 17' is held between the cutting punch 14 and forming punch 13.
  • the leading end of the cutting punch 14 abuts against the tape of the fastener chain 16 on the die 34 and ceases its downward movement and only the forming punch 13 continues the downward movement.
  • the cut stop forming wire 17' is deformed into a stop shape and secured to selected elements 18 as shown in Fig. 6 by the forming punch 13 and the die 34.
  • the spacer punch 15 In synchronization with the downward movement of the forming punch 13, the spacer punch 15 also moves downwardly to cut out the heads of a predetermined number of elements positioned on the spacer die 35 as shown in Fig. 7. Cutting-out of the element head and securing of the stop are simultaneously performed. The remaining portions of the elements from which the heads have been cut out are ready for removal from the tape of the fastener chain.
  • the stop securing device fails to function and unacceptable stops are produced as experienced in the conventional fastener finishing apparatus are eliminated.
  • the stop S is secured to the fastener chain 16 and a space d of suitable distance is formed on the fastener chain adjacent the stop S as shown in Fig. 8.
  • the punch holder is raised to return the forming punch 13, the cutting punch 14, the spacer punch 15 and the forming die 21 to the positions as shown in Fig. 4 ready for the next processing operation.
  • the rocking lever 46 of the wire feeding device 41 rocks in the opposite direction from the wire feeding direction as the punch holder moves downwardly.
  • the rolls 47 associated with the stationary lever 45 grip the wire 17 against movement whereas the rolls 48 associated with the rocking lever 46 roll freely on the wire 17.
  • the rocking lever 46 is returned to the position as shown in Fig. 2 under the action of the spring 53.
  • the rolls 47 associated with the stationary lever 45 allow the movement of the wire 17 in the feeding direction whereas the rolls 48 associated with the rocking lever 46 grip the wire 17 to move the wire in the feeding direction.
  • the wire feeding device feeds the wire by the distance corresponding to the length of one stop S each time the punch holder moves upwardly and downwardly, that is, each time one stop S is secured to the fastener chain and the space d is formed on the fastener chain.
  • the stop since the stop is secured to the fastener chain while forming the stop from the stop forming wire, the cost of the components can be reduced and in the formation of the space, since remaining portions of the elements are blown away from the stop securing device by air under high pressure, the element remaining portions are prevented from entering the stop securing device to thereby eliminate the disadvantages that the stop securing device fails to function and/ or unacceptable stops are produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Slide Fasteners (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP82104408A 1981-05-20 1982-05-19 Fastener chain finishing apparatus Expired EP0065318B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56076184A JPS57190502A (en) 1981-05-20 1981-05-20 Fastener chain finishing apparatus
JP76184/81 1981-05-20

Publications (2)

Publication Number Publication Date
EP0065318A1 EP0065318A1 (en) 1982-11-24
EP0065318B1 true EP0065318B1 (en) 1986-04-02

Family

ID=13598027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82104408A Expired EP0065318B1 (en) 1981-05-20 1982-05-19 Fastener chain finishing apparatus

Country Status (12)

Country Link
EP (1) EP0065318B1 (fi)
JP (1) JPS57190502A (fi)
KR (1) KR840001392B1 (fi)
AU (1) AU534298B2 (fi)
BR (1) BR8202985A (fi)
CA (1) CA1188084A (fi)
DE (2) DE65318T1 (fi)
ES (1) ES8304780A1 (fi)
FI (1) FI77361C (fi)
GB (1) GB2102062B (fi)
HK (1) HK62488A (fi)
MY (1) MY8700235A (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000060607A (ja) 1998-08-25 2000-02-29 Ykk Corp ファスナーチェーン仕上加工装置
CN110604374B (zh) * 2019-08-20 2022-05-13 深圳市蓝瑟机电科技有限公司 尼龙熔上止机构
CN114850362B (zh) * 2022-06-14 2024-04-16 东莞市钮纽实业有限公司 一种用于冲压又字夹的一次成型模具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279768A (en) * 1940-12-20 1942-04-14 Conmar Prod Corp Manufacture of slide fasteners
DE1777107B1 (de) * 1968-09-06 1971-04-22 Karl F Naegele Feinmaschb Dr Vorrichtung zum Stanzen,Aufsetzen und Befestigen der Stoppteile von Reissverschluessen
GB1244061A (en) * 1969-03-17 1971-08-25 Morris Perlman Wire-fed top stop production and securement machine for sliding clasp fasteners

Also Published As

Publication number Publication date
AU8329382A (en) 1982-12-02
FI77361B (fi) 1988-11-30
JPS57190502A (en) 1982-11-24
KR840001392B1 (ko) 1984-09-24
GB2102062B (en) 1985-02-27
EP0065318A1 (en) 1982-11-24
AU534298B2 (en) 1984-01-19
HK62488A (en) 1988-08-26
FI77361C (fi) 1989-03-10
BR8202985A (pt) 1983-05-03
CA1188084A (en) 1985-06-04
KR830009752A (ko) 1983-12-23
MY8700235A (en) 1987-12-31
GB2102062A (en) 1983-01-26
FI821756A0 (fi) 1982-05-18
ES512408A0 (es) 1983-04-16
DE65318T1 (de) 1983-08-18
ES8304780A1 (es) 1983-04-16
DE3270219D1 (en) 1986-05-07
JPS6318482B2 (fi) 1988-04-19

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