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EP0292110B1 - Verfahren und Vorrichtung zur Fütterung von Reissverschlussketten mit Hosenleisten - Google Patents

Verfahren und Vorrichtung zur Fütterung von Reissverschlussketten mit Hosenleisten Download PDF

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Publication number
EP0292110B1
EP0292110B1 EP19880303377 EP88303377A EP0292110B1 EP 0292110 B1 EP0292110 B1 EP 0292110B1 EP 19880303377 EP19880303377 EP 19880303377 EP 88303377 A EP88303377 A EP 88303377A EP 0292110 B1 EP0292110 B1 EP 0292110B1
Authority
EP
European Patent Office
Prior art keywords
slide fastener
fastener chain
tapes
pair
fly strips
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
EP19880303377
Other languages
English (en)
French (fr)
Other versions
EP0292110A3 (en
EP0292110A2 (de
Inventor
Akio Yunoki
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
Priority claimed from JP62100411A external-priority patent/JPS63264004A/ja
Priority claimed from JP62100412A external-priority patent/JPH074291B2/ja
Application filed by Yoshida Kogyo KK filed Critical Yoshida Kogyo KK
Publication of EP0292110A2 publication Critical patent/EP0292110A2/de
Publication of EP0292110A3 publication Critical patent/EP0292110A3/en
Application granted granted Critical
Publication of EP0292110B1 publication Critical patent/EP0292110B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
    • A41H37/06—Setting slide or glide 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

Definitions

  • the present invention relates to production of slide fasteners for trousers, and more particularly to a method of and apparatus for feeding a continuous slide fastener chain with successive fly strips while various finishing steps, such as threading sliders and attaching bottom stops, is successively taking place on the slide fastener chain to provide slide fasteners of a predetermined length each having a fly strip.
  • each fly strip is a prospective closure for a front fly opening of the trousers.
  • each fly strip is folded on such one stringer tape so that the resulting slide fastener chain has a difference in thickness between the opposed stringers. Because of this thickness difference, the slide fastener chain cannot be fed along a straight path as it passes a pair of vertically opposed feed rollers. Yet, if the slide fastener chain is fed in and along an elongated guide, twisting stresses would act on the slide fastener chain so as to cause the folded flies to become disarranged.
  • a solution has been proposed in Japanese Patent Laid-Open Publication 60-85704, in which a pair of vertically opposed feed rollers, one of which is driven, has upper and lower toothed wheels, respectively, for meshing engagement with a pair of coupled rows of fastener elements of the opposed stringers during the feeding of the slide fastener chain.
  • the upper roller is adapted to be raised away from the lower roller to allow an individual slider on the slide fastener chain to pass the two feed rollers.
  • a primary problem with this prior art apparatus is that the toothed wheels would be often brought out of meshing engagement of the fastener elements, thus causing an irregular feeding of the slide fastener chain.
  • the present invention seeks to provide a method of and apparatus for feeding a continuous slide fastener chain with successive fly strips accurately along a straight path without imparting any twisting stress to the slide fastener chain.
  • Figure 6 shows a slide-fastener finishing machine for producing from a continuous slide fastener chain 1 with successive fly strips 5 slide fasteners of a predetermined length for trousers.
  • the principle of the present invention is particularly useful when embodied in a fastener-chain feed apparatus such as shown in Figures 1 and 6, generally indicated by the numeral 8.
  • the slide fastener chain 1 comprises a pair of substantially endless or continuous-length stringers including a pair of tapes 2, 2 and a pair of coupled rows of fastener elements 3, 3 mounted on and along the respective inner longitudinal edges of the tapes 2, 2 there being a plurality of element-free spaces 4 spaced at equal distances longitudinally along the slide fastener chain 1.
  • the fly strips 5 are attached to a lower surface of one tape 2 by sewing, each fly strip 5 being a prospective closure for a front fly opening of the trousers.
  • Each fly strip 5 has a width larger than the width of the slide fastener chain 1 initially, i.e. when it is sewn to the tape 2. At the start of a series of finishing steps, each fly strip 5 is folded on such one tape 2 as shown in Figure 1.
  • the finishing machine comprises a fly-strip folding unit 11, a slider threading unit 12, a bottom-stop attaching unit 13 and a cutting unit 14, which are disposed in this order (from left to right in Figure 6) along the path of the slide fastener chain 1.
  • the fly-strip folding unit 11 includes the guide rollers 7 for compressing the slide fastener chain 1 with the fly strips 5 and an inclined guide plate 15 for pre-folding the fly strip 5 as shown in Figure 1.
  • the slider threading unit 12 as shown in Figures 1 and 6, includes a pair of claws 16, 16 normally engageable with the fastener element rows 3 and projectable into a leading element-free space 4 when the latter arrives at the slider threading unit 12, a wedge-shaped member 17 disposed between the two claws 16, 16 for moving apart the same to widen the element-free space 4 to thereby disengage the leading end portion of the fastener element rows 3 to a slight extent.
  • the slider threading unit 12 also includes a slider holder 18 normally disposed below the path of the slide fastener chain 1 for receiving a slider 6 from a chute 19 and pivotally movable to insert the slider 6 into the widened element-free space 4.
  • a slider holder 18 normally disposed below the path of the slide fastener chain 1 for receiving a slider 6 from a chute 19 and pivotally movable to insert the slider 6 into the widened element-free space 4.
  • the bottom-stop attaching unit 13 includes a punch and a die, both not shown; while the punch is being lowered, an elongated strip of metal is inserted between the punch and die transversely of the path of slide fastener chain 1 and is then severed to provide a bottom-stop blank. This bottom-stop blank is finally clinched astride of the opposed inner tape edges.
  • the cutting unit 14 includes a cutter 20.
  • a detector (not shown) produces an electrical signal to the cutting unit 14, whereupon the cutter 20 is moved downwardly.
  • the feed apparatus 8 of the present invention is located between the slider threading unit 12 and the bottom-stop attaching unit 13 and comprises, as shown in Figures 1 and 3, a main roller 22 disposed below the path of the slide fastener chain 1 and engageable with the lower surface of the opposed tapes 2, 2 in a manner described below.
  • the main roller 22 is connected selectively to two driving systems via a clutch (not shown); that is, the main roller 22 is driven by a motor 27 (Figure 6) during the normal feeding of the slide fastener chain 1, and is driven by a first cylinder 28 ( Figure 6) via a rack and a pinion, both not shown, during the slider threading step.
  • a support plate 30 is fixed to a base 29 and supports a guide block 31 above the path of the slide fastener chain 1.
  • the main roller 22 has a pair of axially spaced large-diameter roller sections 26, 26 engageable with the respective lower surfaces of the opposed tapes 2, 2, the two large-diameter roller sections 26, 26 defining therebetween an annular guide groove 25 receptive of the opposed rows of fastener elements 3, 3 as the slide fastener chain 1 passes over the main roller 22.
  • the feed apparatus 8 also includes a pair of normally axially spaced first and second associate rollers 23, 24 disposed above the path of the slide fastener chain 1 and engageable with the respective upper surface of the opposed tapes 2, 2.
  • a pair of vertical rods 32, 33 vertically movable extends through the guide block 31 and support on its respective lower ends a pair of non-rotatable shafts 34, 35 on which the first and second associate rollers 23, 24 are mounted via a pair of metal bushes 36, 37, respectively.
  • These vertical rods 32, 33 are operatively connected at their respective upper ends to first and second cylinders 38, 39.
  • first and second associate rollers 23, 24 are vertically movable independently of each other.
  • the feed apparatus 8 is associated with an element guide which includes a lever 40 pivotally mounted on the support plate 30 by a horizontal pin 41.
  • the lever 40 has at its upstream and downstream ends a pair of downwardly facing first and second guide grooves 42, 43, respectively.
  • An extension spring 44 is mounted between the support plate 30 and the lever 40 to urge the same 40 to normally pivot clockwise in Figure 1.
  • the second guide groove 43 of the downstream end of the lever 40 is normally urged against the slide fastener chain 1 being fed.
  • the vertical rod 33 for the second associate roller 24 has a horizontal projection 45 on which a pusher member 46, in the form of a threaded bolt, is vertically adjustably mounted.
  • the pusher member 46 serves to depress the upstream end of the lever 40 downwardly.
  • the lower one of the discharge rollers 9 is driven by the motor 27, and the upper discharge roller 9 is mounted on a pivotally movable arm 47.
  • the conveyor 10 transmits the finished slide fasteners from the discharge rollers 9 into a container or box 49 carried by another conveyor 48 running transversely of the first-named conveyor 10.
  • Designated by 50 is a pressure roller for pressing the finished slide fasteners on the conveyor 10.
  • the second associate roller 24 For feeding the slide fastener chain 1 with the successive fly strips 5 by the feed apparatus 8 of the present invention, with the upper discharge roller 9 raised, the second associate roller 24 is lowered, and concurrently the first guide groove 42 of the upstream end of the lever 40 is lowered to guide the opposed rows of fastener elements 3, 3 of the slide fastener chain 1, as shown in Figure 3.
  • the driving of the main roller 22 is terminated.
  • the second associate roller 24 together with the first associate roller 23 is lowered and, in the meantime, the main roller 22 is driven by the first cylinder 28.
  • both the first and second associate rollers 23, 24 are raised, and concurrently the second guide groove 43 of the downstream end of the lever 40 is lowered to guide a finished part of the slide fastener chain 1 to the discharge rollers 9 where the finished part of the fastener chain 1 is fed onto the conveyor 10. Thereafter, the second associate roller 24 is lowered to start the subsequent feed of the slide fastener chain 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Slide Fasteners (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (5)

  1. Verfahren zum Zuführen einer fortlaufenden Reißverschlußkette (1) mit aufeinanderfolgenden Untertrittbändern (5) längs einer horizontalen geraden Bahn in einer Reißverschluß-Endbearbeitungsmaschine, wobei die Reißverschlußkette (1) zwei im wesentlichen endlose Tragbänder (2,2) aufweist, wobei an den gegenüberliegenden inneren Längsrändern dieser Tragbänder (2,2) ein Paar miteinander gekuppelter Kuppelgliederreihen (3,3) angeordnet ist, wobei die aufeinanderfolgenden Untertrittbänder (5) in gefalteter Lage an einem der Tragbänder (2) befestigt sind, umfassend den Schritt des Zuführens der Reißverschlußkette (1) mit den aufeinanderfolgenden Untertrittbändern (5) längs der geraden Bahn, indem normalerweise eine Antriebskraft auf mindestens eines der Tragbänder (2,2) ausgeübt wird; dadurch gekennzeichnet, daß die Reißverschlußkette (1) mit den aufeinanderfolgenden Untertrittbändern (5) längs der geraden Bahn zugeführt wird, indem eine Antriebskraft nur auf das andere Tragband (2) ausgeübt wird, das keine Untertrittbänder (5) aufweist, während die Reißverschlußkette (1) nicht durch einen Schieber (6) hindurchgezogen wird, und daß die Reißverschlußkette (1) mit den aufeinanderfolgenden Untertrittbändern (5) längs der geraden Bahn zugeführt wird, indem eine Antriebskraft auf beide Tragbänder (2,2) ausgeübt wird, während die Reißverschlußkette (1) durch einen Schieber (6) hindurchgezogen wird.
  2. Vorrichtung zum Zuführen einer fortlaufenden Reißverschlußkette (1) mit aufeinanderfolgenden Untertrittbändern (5) längs einer horizontalen geraden Bahn in einer Reißverschluß-Endbearbeitungsmaschine, wobei die Reißverschlußkette (1) zwei Reißverschlußbänder umfaßt, die zwei im wesentlichen endlose Tragbänder (2,2) und ein Paar gekuppelter Kuppelgliederreihen (3,3) aufweisen, die entlang den gegenüberliegenden inneren Längsrändern der Tragbänder (2,2) angeordnet sind, wobei die aufeinanderfolgenden Untertrittbänder (5) in gefalteter Lage an einer Unterseite eines der Tragbänder (2,2) befestigt sind, umfassend: eine Hauptrolle (22), die unter der geraden Bahn angeordnet und mit der Unterseite beider Tragbänder (2,2) in Eingriff bringbar ist; und erste und zweite zugeordnete Rollen (23,24), die über der geraden Bahn angeordnet und mit den betreffenden Oberseiten der Tragbänder (2,2) in Eingriff bringbar sind, wobei die erste und die zweite zugeordnete Rolle (23,24) unabhängig voneinander vertikal bewegbar sind, wobei die Hauptrolle (22) von einem Motor od. dgl. angetrieben ist, dadurch gekennzeichnet, daß eine Einrichtung vorgesehen ist, um lediglich eine Rolle (24) der ersten und zweiten Rollen (23,24) in eine abgesenkte Position zu bewegen, um nur ein Tragband (2) gegen die Hauptrolle (22) zu belasten, während die Reißverschlußkette (1) nicht durch einen Schieber hindurchgezogen wird, und um sowohl die erste als auch die zweite Rolle (23,24) in eine abgesenkte Position zu bewegen, um beide Tragbänder gegen die Hauptrolle (22) zu belasten, während die Reißverschlußkette (1) durch einen Schieber hindurchgezogen wird.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die ersten und zweiten Rollen (23,24) an entsprechenden unteren Enden von zwei vertikalen Stangen (32,33) drehbar abgestützt sind, die an ihren oberen Enden zur vertikalen Bewegung mit ersten und zweiten Zylindern (38,39) gekuppelt sind.
  4. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Hauptrolle (22) zwei im axialen Abstand angeordnete Abschnitte (26,26) mit großem Durchmesser aufweist, die mit den betreffenden Unterseiten der Tragbänder (2,2) in Eingriff bringbar sind, wobei die Rollenabschnitte (26,26) mit großem Durchmesser zwischen sich eine die gekuppelten Kuppelgliederreihen (3,3) aufnehmende Ringnut (25) begrenzen.
  5. Vorrichtung nach Anspruch 2, 3 oder 4, dadurch gekennzeichnet, daß die Hauptrolle (22) wahlweise von einem Motor (27) oder einem Zylinder (28) antreibbar ist.
EP19880303377 1987-04-22 1988-04-14 Verfahren und Vorrichtung zur Fütterung von Reissverschlussketten mit Hosenleisten Expired EP0292110B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP62100411A JPS63264004A (ja) 1987-04-22 1987-04-22 長尺物加工機の製品排出装置
JP100412/87 1987-04-22
JP100411/87 1987-04-22
JP62100412A JPH074291B2 (ja) 1987-04-22 1987-04-22 フライ付き連続スライドファスナーチェーンの送り方法

Publications (3)

Publication Number Publication Date
EP0292110A2 EP0292110A2 (de) 1988-11-23
EP0292110A3 EP0292110A3 (en) 1989-10-04
EP0292110B1 true EP0292110B1 (de) 1992-06-17

Family

ID=26441445

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19880303377 Expired EP0292110B1 (de) 1987-04-22 1988-04-14 Verfahren und Vorrichtung zur Fütterung von Reissverschlussketten mit Hosenleisten
EP19880303378 Expired EP0288213B1 (de) 1987-04-22 1988-04-14 Maschine zum Handhaben eines länglichen Artikels mit einer Entladevorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19880303378 Expired EP0288213B1 (de) 1987-04-22 1988-04-14 Maschine zum Handhaben eines länglichen Artikels mit einer Entladevorrichtung

Country Status (4)

Country Link
EP (2) EP0292110B1 (de)
DE (2) DE3872050T2 (de)
ES (2) ES2032014T3 (de)
HK (2) HK190795A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208970A (en) * 1992-08-27 1993-05-11 Yoshida Kogyo K.K. Apparatus for feeding slide fastener chain with attached fabric strips
DE4420957A1 (de) * 1994-06-16 1995-12-21 Bosch Gmbh Robert Verfahren zur Regelung der Stromstärke eines Ladestroms
FR2764661B1 (fr) * 1997-06-17 1999-09-10 Valeo Amortisseur de torsion pour embrayage de verrouillage appartenant a un appareil d'accouplement hydrocinetique, notamment pour vehicule automobile

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3570104A (en) * 1969-09-18 1971-03-16 Scovill Manufacturing Co Method and apparatus for making a continuous series of fly pieces
ZA803017B (en) * 1979-05-29 1981-05-27 Scovill Inc Apparatus for attaching slide fastener elements to fabric
DE3040286C2 (de) * 1980-10-25 1985-03-07 Optilon W. Erich Heilmann GmbH, Cham Nähmaschine zum Aufnähen einer aus zwei Reißverschlußgliederreihen bestehenden Reißverschlußgliederkette
DE3527894A1 (de) * 1985-08-03 1987-02-12 Opti Patent Forschung Fab Verfahren und vorrichtung zum einarbeiten eines reissverschlussbandabschnittes im bereich der kanten von zwei stoffbahnen

Also Published As

Publication number Publication date
DE3872050T2 (de) 1992-12-17
EP0288213A2 (de) 1988-10-26
ES2032014T3 (es) 1993-01-01
EP0288213A3 (en) 1989-09-20
EP0292110A3 (en) 1989-10-04
EP0288213B1 (de) 1992-06-17
DE3872038T2 (de) 1993-01-14
ES2032013T3 (es) 1993-01-01
DE3872038D1 (de) 1992-07-23
HK190795A (en) 1995-12-29
EP0292110A2 (de) 1988-11-23
DE3872050D1 (de) 1992-07-23
HK190395A (en) 1995-12-29

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