EP0259587B1 - Method and apparatus for gapping a slide fastener stringer - Google Patents

Method and apparatus for gapping a slide fastener stringer Download PDF

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Publication number
EP0259587B1
EP0259587B1 EP87110711A EP87110711A EP0259587B1 EP 0259587 B1 EP0259587 B1 EP 0259587B1 EP 87110711 A EP87110711 A EP 87110711A EP 87110711 A EP87110711 A EP 87110711A EP 0259587 B1 EP0259587 B1 EP 0259587B1
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EP
European Patent Office
Prior art keywords
coupling members
members
coupling
section
order
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EP87110711A
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German (de)
French (fr)
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EP0259587A1 (en
Inventor
Hans Horlacher
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Horlacher Hans Firma
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Horlacher Hans Firma
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Priority to AT87110711T priority Critical patent/ATE50686T1/en
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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

Definitions

  • the present invention relates to a method for removing fastener members from a zip fastener tape with a pair of carrier tapes and with helical or meandering fastener members each having a head part, middle part and a base part, which are arranged on adjacent longitudinal edges and coupled to one another, wherein the fastener members uncoupled and aligning the carrier tapes symmetrically with respect to a central plane, arranging a section of the carrier tapes such that their closure members are aligned with the path of a cutting element, the closure members to be removed are positioned with respect to the cutting elements, the sections of the carrier tapes are clamped, the head parts of the closure members to be removed are clamped which cuts through the closure members and pulls the closure members clamped to the head parts in the direction away from the carrier tapes, in order to provide a link-free section t receive and a device for performing the method.
  • a method and a device of this type are known from EP-A 96 777.
  • the uncoupled fastener elements are aligned essentially vertically and parallel to a central plane
  • the fastener members are aligned with the base part on the path of a cutting element and clamped to the head part
  • the base part is cut in a vertical direction and parallel to the central plane
  • the intersected the locking members clamped to the head parts are pulled off the carrier tape in order to produce the link-free section.
  • the aim of the invention is to provide a method in which this disadvantage does not occur.
  • the device according to the invention for carrying out the method with a stationary guide block in order to uncouple the closure members and to align the carrier tapes symmetrically with respect to one another with respect to a central plane, with a counter-holder which can be displaced relative to the guide block in order to align the closure members, with a device for the closure members with respect to the cutting element, with a clamping device which is movable relative to the guide block to clamp portions of the carrier tapes, with two gripping elements which are arranged on the counter-holder and are movable relative to the guide block to clamp the head parts of the positioned closure members, and with two cutting elements , each of which is displaceable relative to the guide block in order to cut through at least a number of the positioned closure members, the counter-holder and the two gripping elements being movable with one another away from the guide block, u m to pull the cut closure members from the carrier tapes is characterized in that the guide block has two surfaces which are inclined with respect to the center plane, that the clamping device is a one-
  • the middle part of a further closure member is additionally cut below the weaving edge.
  • a half number is generated in addition to the link-free section in order to facilitate the threading of a zipper slide.
  • each cutting element is assigned a second cutting element which cuts through the middle part of a further closure element.
  • the device contains a guide block I, a counter holder 2, a clamping device 3, two gripping elements 4 and at least two cutting elements 5.
  • the zipper tape fed from a roll is separated from a section (not shown) on the guide block I and the two carrier tapes 6 are arranged symmetrically to a central plane 8 with the closure members 7 downward.
  • the separation of the zipper tape immediately before entering the device ensures that the gap from gap to gap both edges of the fastener are exactly the same length.
  • a shoulder 9 is formed, on which the gripping elements 4 rest with an inwardly projecting gripping section 10, so that an intermediate space is created between the shoulder edge and the gripping section 10 which is used to align the closure members with the web of Cutting elements 5 is used when the counter holder 2 is raised.
  • the closure members 7 point upwards with their base part 11, with their middle part 12 facing away from the carrier tape 6 in the direction of the cutting element 5 and rest on a shoulder 9 with their head part 13 (FIG. 2).
  • closure elements 7 to be removed are positioned precisely with respect to cutting elements 5, so that the end edges of the cutting elements 5 each lie on a gap between two closure elements 7. This is done by optical scanning using a scanning device, not shown, e.g. an optical fiber, i.e. the conveyor for the zipper tape is stopped when this gap is found.
  • a scanning device not shown, e.g. an optical fiber, i.e. the conveyor for the zipper tape is stopped when this gap is found.
  • This determination is considered an on-command for the removal of the closure members 7 described below.
  • the clamping device 3 is displaced from above against the guide block I and the carrier tape 6 is clamped at an angle, for example of 45 °, with respect to the central plane 8.
  • the gripper elements 4 are then moved against the counter-holder 2, as a result of which the gripper sections 10 come into engagement with the head part 13 and clamp the closure members 7 onto their head part 13.
  • the cutting elements 5 are then displaced in the direction of the central plane 8, as a result of which the central part 13 of the closure members 7 is cut through above the weaving edge 14.
  • the drive of the cutting elements can consist of known elements and is therefore not described.
  • the counter-holder 2 is lowered with the gripping elements 4, the closure members 7 clamped between the shoulders 9 and the gripping sections 10 and cut through on the base parts II being pulled off in the direction away from the carrier tape 6.
  • gripping elements 4 are lifted off the counter-holder 2 and the removed closure members 7 by means of a suitable device, e.g. a slide (not shown) pushed out of the device.
  • a suitable device e.g. a slide (not shown) pushed out of the device.
  • the device is then provided again in order to remove the closure members at the next section.
  • the link-free section is delimited by two middle parts 12, which are essentially in the same place, i.e. are cut above the weaving edge 14.
  • a half number is provided to facilitate threading the slider onto a zipper tape. This half tooth is produced with a preferred embodiment of the invention, which is described below.
  • each cutting element 5 is a second cutting element 15. assigned. While the first-mentioned cutting element 5 extends over a plurality of closure members, the second cutting element 15 has a cutting edge length that is only sufficient for cutting through a central part 12.
  • the cutting elements 5 and 15 are arranged one above the other in such a way that the closure members 7, as shown in FIG. 5, are cut through.
  • the cutting elements 5 and 15 are guided one below the other and are successively, i.e. first of all the first and then the second cutting element are moved back and forth with respect to the central plane 8 by a suitable drive device.

Landscapes

  • Slide Fasteners (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

1. Method of removing coupling members (7) from a slide fastener having a pair of coupling member supporting bands (6), a spirally or meander shaped coupling members (7), each member includes a head section (13), a middle section (12) and a foot section (11), wherein the coupling members (7) are located at opposite longitudinal edges and coupled to each other, wherein one disengages said coupling members (7) and arranges said supporting band (6) vertical and symmetrically relative to a center plane (8), arranges one section of said supporting bands (6) such that their coupling members (7) are aligned with the path of a cutting member (5), positions the coupling members (7) which are to be removed relative to said cutting members (5), clamps the section of said supporting bands (6), clamps the head section (13) of said coupling members to be removed, cuts said coupling members (7) and pulls off the coupling members (7) clamped at their head section (13) in a direction away from said supporting members (6) in order to produce a coupling memberless section, characterized in that one positions the supporting bands (6) inclined relative to said center plane (8) and cuts the middle section (12) spaced from said supporting bands (6) in a lateral direction relative to the center plane (8) in the region of the weaving-in board in order to produce a coupling memberless section after pulling off said cut coupling members (7).

Description

Die vorliegende Erfindung betrifft ein Verfahren zum Entfernen von Verschlussgliedern von einem Reissverschlussband mit einem Paar von Trägerbändern und mit schraubenlinienförmig oder mäanderförmig ausgebildeten, jeweils einen Kopfteil, Mittelteil und einen Basisteil aufweisenden Verschlussgliedern, die an benachbarten Längskanten angeordnet und aneinander gekuppelt sind, wobei man die Verschlussglieder entkuppelt und die Trägerbänder bezüglich einer Mittelebene symmetrisch ausrichtet, einen Abschnitt der Trägerbänder so anordnet, dass deren Verschlussglieder auf die Bahn eines Schneidelementes ausgerichtet sind, die zu entfernenden Verschlussglieder bezüglich der Schneidelemente positioniert, die Abschnitte der Trägerbänder festklemmt, die Kopfteile der zu entfernenden Verschlussglieder festklemmt, die Verschlussglieder durchschneidet und die an den Kopfteilen festgeklemmten Verschlussglieder in Richtung weg von den Trägerbändem abzieht, um einen gliederfreien Abschnitt zu erhalten sowie eine Vorrichtung zur Durchführung des Verfahrens.The present invention relates to a method for removing fastener members from a zip fastener tape with a pair of carrier tapes and with helical or meandering fastener members each having a head part, middle part and a base part, which are arranged on adjacent longitudinal edges and coupled to one another, wherein the fastener members uncoupled and aligning the carrier tapes symmetrically with respect to a central plane, arranging a section of the carrier tapes such that their closure members are aligned with the path of a cutting element, the closure members to be removed are positioned with respect to the cutting elements, the sections of the carrier tapes are clamped, the head parts of the closure members to be removed are clamped which cuts through the closure members and pulls the closure members clamped to the head parts in the direction away from the carrier tapes, in order to provide a link-free section t receive and a device for performing the method.

Ein Verfahren und eine Vorrichtung dieser Art sind aus der EP-A 96 777 bekannt. Bei dem Verfahren werden die entkuppelten Verschlussglieder im wesentlichen vertikal und parallel zu einer Mittelebene symmetrisch ausgerichtet, die Verschlussglieder mit dem Basisteil auf die Bahn eines Schneidelementes ausgerichtet und an dem Kopfteil festgeklemmt, die Basisteil in einer senkrechten und zu der Mittelebene parallelen Richtung durchgeschnitten und die durchschnittenen an den Kopfteilen festgeklemmten Verschlussglieder vom Trägerband abgezogen, um den gliederfreien Abschnitt zu erzeugen.A method and a device of this type are known from EP-A 96 777. In the method, the uncoupled fastener elements are aligned essentially vertically and parallel to a central plane, the fastener members are aligned with the base part on the path of a cutting element and clamped to the head part, the base part is cut in a vertical direction and parallel to the central plane, and the intersected the locking members clamped to the head parts are pulled off the carrier tape in order to produce the link-free section.

Die Praxis hat nun gezeigt, dass mit diesem Verfahren sich keine durchwegs befriedigenden Resultate erzielen lassen, weil die Einwebkante aufgrund der Herstellungstoleranzen zwischen Band-Kette-Einwebkante ein Einschneiden am Rand des Bandes nicht verhindert werden kann.Practice has now shown that this method does not achieve consistently satisfactory results because the woven-in edge cannot be prevented from cutting into the edge of the belt due to the manufacturing tolerances between the belt-chain-woven-in edge.

Ziel der Erfindung ist es, ein Verfahren zu schaffen, bei dem dieser Nachteil nicht auftritt.The aim of the invention is to provide a method in which this disadvantage does not occur.

Dieses Ziel wird erfindungsgemäss mit den kennzeichnenden Merkmalen des Patentanspruches I erreicht.This aim is achieved according to the invention with the characterizing features of patent claim I.

Die erfindungsgemässe Vorrichtung zur Durchführung des Verfahrens mit einem ortsfesten Führungsblock, um die Verschlussglieder zu entkuppein und die Trägerbänder bezüglich einer Mittelebene symmetrisch zueinander auszurichten, mit einem Gegenhalter, der relativ zum Führungsblock verschiebbar ist, um die Verschlussglieder auszurichten, mit einer Einrichtung, um die Verschlussglieder bezüglich dem Schneidelement zu positionieren, mit einer Klemmeinrichtung, die relativ zum Führungsblock beweglich ist, um Abschnitte der Trägerbänder festzuklemmen, mit zwei Greifelement, die am Gegenhalter angeordnet und relativ zum Führungsblock beweglich sind, um die Kopfteile der positionierten Verschlussglieder festzuklemmen, und mit zwei Schneidelemente, die jeweils relativ zum Führungsblock verschiebbar sind, um mindestens eine Anzahl der positionierten Verschlussglieder durchzuschneiden, wobei der Gegenhalter und die zwei Greifelemente miteinander vom Führungsblock weg bewegbar sind, um die durchgeschnittenen Verschlussglieder von den Trägerbändern abzuziehen, ist dadurch gekennzeichnet, dass der Führungsblock zwei Flächen aufweist, die bezüglich der Mittelebene zueinander geneigt sind, dass die Klemmeinrichtung ein einstückiges Klemmorgan ist, das zwei Flächen aufweist, die komplementär zu den Flächen am Führungsblock ausgebildet sind, um die symmetrisch zueinander ausgerichteten Abschnitte der Trägerbänder festzuklemmen und die Verschlussglieder parallel zur Mittelebene so anzuordnen, dass der Mittelteil der Verschlussglieder oberhalb der Greifelemente freiliegen, und dass die Schneidelemente in einer zur Mittelebene querverlaufenden Richtung hin- und herbewegbar sind, um den freiliegenden Mittelteil der Verschlussglieder neben der Einwebekante durchzuschneiden.The device according to the invention for carrying out the method with a stationary guide block in order to uncouple the closure members and to align the carrier tapes symmetrically with respect to one another with respect to a central plane, with a counter-holder which can be displaced relative to the guide block in order to align the closure members, with a device for the closure members with respect to the cutting element, with a clamping device which is movable relative to the guide block to clamp portions of the carrier tapes, with two gripping elements which are arranged on the counter-holder and are movable relative to the guide block to clamp the head parts of the positioned closure members, and with two cutting elements , each of which is displaceable relative to the guide block in order to cut through at least a number of the positioned closure members, the counter-holder and the two gripping elements being movable with one another away from the guide block, u m to pull the cut closure members from the carrier tapes is characterized in that the guide block has two surfaces which are inclined with respect to the center plane, that the clamping device is a one-piece clamping member which has two surfaces which are complementary to the surfaces on the guide block to clamp the symmetrically aligned portions of the carrier tapes and to arrange the fastener elements parallel to the central plane so that the central part of the fastener elements are exposed above the gripping elements and that the cutting elements can be moved back and forth in a direction transverse to the central plane to the exposed central part of the Cut the fastener next to the woven-in edge.

Die mit der Erfindung erzeilbaren Vorteile sind im wesentlichen darain zu sehen, dass die Klemmung der Verschlussglieder einfacher und wirkungsvoller ist und durch die Lage des eingeklemmten Trägerbänders die Belastung der Einwebekante klein gehalten wird.The advantages that can be achieved with the invention can be seen essentially in the fact that the clamping of the closure members is simpler and more effective, and the load on the weaving edge is kept small by the position of the clamped-in carrier tapes.

Bei einer bevorzugten Ausführungsform des erfindungsgemässen Verfahrens durchschneidet man den Mittelteil eines weiteren Verschlussgliedes zusätzlich unterhalb der Einwebekante. Dadurch wird neben dem gliederfreien Abschnitt ein Halbzahl erzeugt, um das Einfädeln eines Reissverschlussschiebers zu erleichtern.In a preferred embodiment of the method according to the invention, the middle part of a further closure member is additionally cut below the weaving edge. As a result, a half number is generated in addition to the link-free section in order to facilitate the threading of a zipper slide.

Hierzu ist jedem Schneidelement ein zweites Schneidelement zugeordnet, das den Mittelteil eines weiteren Verschlussgliedes durchschneidet.For this purpose, each cutting element is assigned a second cutting element which cuts through the middle part of a further closure element.

Im folgenden wird die Erfindung anhand der beiliegenden Zeichnungen näher erläutert.The invention is explained in more detail below with reference to the accompanying drawings.

Es zeigen:

  • Figur I ein schematisch dargestellter Schnitt durch eine Ausführungsform einer Vorrichtung,
  • Figur 2 einen Ausschnitt "A" der Figur I im vergrösserten Massstab,
  • Figur 3 die gleiche Ansicht wie Figur 2 einer bevorzugten Ausführungsform,
  • Figur 4 eine Ansicht in Richtung des Pfeiles B in Figur 3, und
  • Figur 5 eine Draufsicht auf die Verschlussglieder.
Show it:
  • FIG. I shows a schematically represented section through an embodiment of a device,
  • FIG. 2 shows a detail “A” from FIG. I on an enlarged scale,
  • FIG. 3 shows the same view as FIG. 2 of a preferred embodiment,
  • Figure 4 is a view in the direction of arrow B in Figure 3, and
  • Figure 5 is a plan view of the closure members.

Wie aus der Figur I ersichtlich ist, enthält die Vorrichtung einen Führungsblock I, einen Gegenhalter 2, eine Klemmeinrichtung 3, zwei Greifelemente 4 und mindestens zwei Schneidelemente 5.As can be seen from FIG. 1, the device contains a guide block I, a counter holder 2, a clamping device 3, two gripping elements 4 and at least two cutting elements 5.

Das von einer Rolle zugeführte Reissverschlussband wird von einem nicht dargestellten Abschnitt am Führungsblock I getrennt und die beiden Trägerbänder 6 mit den Verschlussgliedern 7 nach unten symmetrisch zu einer Mittelebene 8 angeordnet. Das Trennen des Reissverschlussbandes unmittelbar vor dem Eintritt in die Vorrichtung gewährleistet, dass der Abstand von Lücke zu Lücke an beiden Verschlussgliederkanten genau gleich lang ist. Die Fördereinrichtung für das Reissverschlussband und die mit dieser zusammenwirkende Steuereinrichtung wird nicht näher erläutert.The zipper tape fed from a roll is separated from a section (not shown) on the guide block I and the two carrier tapes 6 are arranged symmetrically to a central plane 8 with the closure members 7 downward. The separation of the zipper tape immediately before entering the device ensures that the gap from gap to gap both edges of the fastener are exactly the same length. The conveying device for the zipper belt and the control device interacting with it are not explained in more detail.

An den entgegengesetzten Seiten des Gegenhalters 2 ist jeweils eine Schulter 9 ausgebildet, auf der die Greifelemente 4 mit einem nach innen abstehenden Greifabschnitt 10 aufliegen, so dass zwischen der Schulterkante und dem Greifabschnitt 10 ein Zwischenraum entsteht, der zur Ausrichtung der Verschlussglieder auf die Bahn der Schneidelemente 5 dient, wenn der Gegenhalter 2 angehoben ist. In dieser Stellung weisen die Verschlussglieder 7 mit ihrem Basisteil 11 nach oben, mit ihrem vom Trägerband 6 abgewandten Mittelteil 12 in Richtung zum Schneidelement 5 und liegen mit ihrem Kopfteil 13 auf einer Schulter 9 auf (Fig. 2).On the opposite sides of the counter-holder 2, a shoulder 9 is formed, on which the gripping elements 4 rest with an inwardly projecting gripping section 10, so that an intermediate space is created between the shoulder edge and the gripping section 10 which is used to align the closure members with the web of Cutting elements 5 is used when the counter holder 2 is raised. In this position, the closure members 7 point upwards with their base part 11, with their middle part 12 facing away from the carrier tape 6 in the direction of the cutting element 5 and rest on a shoulder 9 with their head part 13 (FIG. 2).

Bevor das eigentliche Entfernen der Verschlussglieder 7 einsetzt, werden die zu entfernenden Verschlussglieder 7 bezüglich Schneidelemente 5 genau positioniert, so dass die Stirnkanten der Schneidelemente 5 jeweils auf einer Lücke zwischen zwei Verschlussgliedern 7 liegen. Dies erfolgt durch eine optische Abtastung mittels einer nicht dargestellten Abtasteinrichtung, z.B. einem Lichtleiter, d.h. die Fördereinrichtung für das Reissverschlussband wird gestoppt, wenn diese Lücke festgestellt wird.Before the actual removal of the closure elements 7 begins, the closure elements 7 to be removed are positioned precisely with respect to cutting elements 5, so that the end edges of the cutting elements 5 each lie on a gap between two closure elements 7. This is done by optical scanning using a scanning device, not shown, e.g. an optical fiber, i.e. the conveyor for the zipper tape is stopped when this gap is found.

Diese Feststellung gilt als Ein-Befehl für das nachfolgend beschriebene Entfernen der Verschlussglieder 7. Zuerst wird die Klemmeinrichtung 3 von oben her gegen den Führungsblock I verschoben und das Trägerband 6 unter einem Winkel, z B. von 45° bezüglich der Mittelebene 8 festgeklemmt.This determination is considered an on-command for the removal of the closure members 7 described below. First, the clamping device 3 is displaced from above against the guide block I and the carrier tape 6 is clamped at an angle, for example of 45 °, with respect to the central plane 8.

Anschliessend werden die Greiferelemente 4 gegen den Gegenhalter 2 verschoben, wodurch die Greiferabschnitte 10 mit dem Kopfteil 13 in Eingriff kommen und die Verschlussglieder 7 an ihren Kopfteil 13 festklemmen.The gripper elements 4 are then moved against the counter-holder 2, as a result of which the gripper sections 10 come into engagement with the head part 13 and clamp the closure members 7 onto their head part 13.

Anschliessend werden die Schneidelemente 5 in Richtung zur Mittelebene 8 hin verschoben, wodurch der Mittelteil 13 der Verschlussglieder 7 oberhalb der Einwebekante 14 durchgeschnitten wird. Der Antrieb der Schneidelemente kann aus bekannten Elementen bestehen und wird deshalb nicht beschrieben.The cutting elements 5 are then displaced in the direction of the central plane 8, as a result of which the central part 13 of the closure members 7 is cut through above the weaving edge 14. The drive of the cutting elements can consist of known elements and is therefore not described.

Nachfolgend wird der Gegenhalter 2 mit den Greifelementen 4 abgesenkt, wobei die zwischen den Schultern 9 und den Greifabschnitten 10 eingeklemmten und an den Basisteilen II durchschnittenen Verschlussglieder 7 in Richtung weg vom Trägerband 6 abgezogen werden.Subsequently, the counter-holder 2 is lowered with the gripping elements 4, the closure members 7 clamped between the shoulders 9 and the gripping sections 10 and cut through on the base parts II being pulled off in the direction away from the carrier tape 6.

Abschliessend werden die Greifelemente 4 vom Gegenhalter 2 abgehoben und die entfernten Verschlussglieder 7 mittels einer geeigneten Einrichtung, z.B. einem Schieber (nicht dargestellt) aus der Vorrichtung herausgestossen.Finally, the gripping elements 4 are lifted off the counter-holder 2 and the removed closure members 7 by means of a suitable device, e.g. a slide (not shown) pushed out of the device.

Danach ist die Vorrichtung wieder bereitgestellt, um am nächsten Abschnitt die Verschlussglieder zu entfernen.The device is then provided again in order to remove the closure members at the next section.

Bei der vorstehend beschriebenen Ausführungsform ist der gliederfreie Abschnitt durch zwei Mittelteile 12 begrenzt, die im wesentlichen an der gleichen Stelle, d.h. oberhalb der Einwebekante 14 durchgeschnitten sind. Um das Einfädeln des Schiebers an einem Reissverschlussband zu erleichtern, wird ein Halbzahl vorgesehen. Dieser Halbzahn wird mit einer bevorzugten Ausführungsform der Erfindung erzeugt, die nachfolgend beschrieben wird.In the embodiment described above, the link-free section is delimited by two middle parts 12, which are essentially in the same place, i.e. are cut above the weaving edge 14. A half number is provided to facilitate threading the slider onto a zipper tape. This half tooth is produced with a preferred embodiment of the invention, which is described below.

Wie in Figur I durch gestrichelte Linien angedeutet und in den Figuren 3 und 4 gezeigt, ist jedem Schneidelement 5 ein zweites Schneidelement 15 . zugeordnet. Während sich das erstgenannte Schneidelement 5 über eine Mehrzahl von Verschlussgliedern erstreckt, hat das zweite Schneidelement 15 eine Schneidkantenlänge, die nur zum Durchschneiden eines Mittelteiles 12 ausreicht. Die Schneidelemente 5 und 15 sind übereinanderliegend so angeordnet, dass die Verschlussglieder 7, wie in Figur 5 dargestellt, durchgeschnitten werden. Die Schneidelemente 5 und 15 sind untereinander geführt und werden nacheinander, d.h. zuerst das erstgenannte und dann das zweite Schneidelement durch eine geeignete Antriebsvorrichtung bezüglich der Mittelebene 8 hin- und herbewegt.As indicated by broken lines in FIG. 1 and shown in FIGS. 3 and 4, each cutting element 5 is a second cutting element 15. assigned. While the first-mentioned cutting element 5 extends over a plurality of closure members, the second cutting element 15 has a cutting edge length that is only sufficient for cutting through a central part 12. The cutting elements 5 and 15 are arranged one above the other in such a way that the closure members 7, as shown in FIG. 5, are cut through. The cutting elements 5 and 15 are guided one below the other and are successively, i.e. first of all the first and then the second cutting element are moved back and forth with respect to the central plane 8 by a suitable drive device.

Claims (7)

1. Method of removing coupling members (7) from a slide fastener having a pair of coupling member supporting bands (6), a spirally or meander shaped coupling members (7), each member includes a head section (13), a middle section (12) and a foot section (11), wherein the coupling members (7) are located at opposite longitudinal edges and coupled to each other, wherein one disengages said coupling members (7) and arranges said supporting band (6) vertical and symmetrically relative to a center plane (8), arranges one section of said supporting bands (6) such that their coupling members (7) are aligned with the path of a cutting member (5), positions the coupling members (7) which are to be removed relative to said cutting members (5), clamps the section of said supporting bands (6), clamps the head section (13) of said coupling members to be removed, cuts said coupling members (7) and pulls off the coupling members (7) clamped at their head section (13) in a direction away from said supporting members (6) in order to produce a coupling memberless section, characterized in that one positions the supporting bands (6) inclined relative to said center plane (8) and cuts the middle section (12) spaced from said supporting bands (6) in a lateral direction relative to the center plane (8) in the region of the weaving-in board in order to produce a coupling memberless section after pulling off said cut coupling members (7).
2. Method of claim 1, characterized in that one cuts said middle section (12) of said coupling members (7) above said weaving-in board.
3. Method according to one of claims 1 or 2, characterized in that one cuts the middle section (12) of a further coupling member (7) additionally below the weaving-in board in order to produce a half-tooth beside said coupling memberless section.
4. An apparatus to perform the method according to claim 1, having a stationary guide block (1) to uncouple said coupling members (7) and to align said support bands (6) relative to a center plane (8) and to each other, a countersupport (2) movable relative to said stationary guide block (1) to align said coupling members (7), a device to position said cutting members (5) relative to said coupling members (7), a clamping device (3) movable relative to said guide block (1) in order to clamp sections of the supporting bands, two gripping members (4) located at said countersupport (2) and movable relative to said guide block (1) in order to clamp the head sections of the positioned coupling members, and two cutting members (5), each movable relative to said guide block (1) in order to cut at least a number of the positioned coupling members, wherein said countersupport (2) and said two gripping members (4) are together movable away from said guide block (1) in order to remove the cut coupling members from said supporting bands, characterized in that said guide block (1) includes two surfaces inclined relative to said center plane (8) and to each other, said clamping device is a uniform clamping member (3) which includes two surfaces formed complementary to the surfaces on said guide block (1) in order to clamp sections of the supporting bands, which sections are aligned to each other symmetrically and in order to arrange said coupling members (7) parallely to said center plane (8) such that said middle section (12) of said coupling members (7) are exposed above said gripping members (4) and that said cutting members (5) are reciprocatable in a direction laterally to said center plane (8) in order to cut the exposed middle section (12) of said coupling members (7) alongside said weaving-in board (14).
5. Apparatus of claim 4, characterized in that said cutting members (5) are arranged to cut said middle sections (12) of a predetermined number of coupling members at the same time above said weaving-in board (14).
6. Apparatus according to one of the claims 5 or 6, characterized in that a second cutting member (15) is associated to each cutting member (5) in order to cut additionally the middle section (12) of another coupling member (7) for providing a half-tooth.
7. Apparatus of claim 6, characterized in that said second cutting member (15) is reciprocatable independently of said first cutting member (5).
EP87110711A 1986-08-14 1987-07-24 Method and apparatus for gapping a slide fastener stringer Expired - Lifetime EP0259587B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87110711T ATE50686T1 (en) 1986-08-14 1987-07-24 METHOD AND DEVICE FOR REMOVING CLOSURE LINKS FROM A ZIPPER TAPES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3276/86 1986-08-14
CH3276/86A CH670552A5 (en) 1986-08-14 1986-08-14

Publications (2)

Publication Number Publication Date
EP0259587A1 EP0259587A1 (en) 1988-03-16
EP0259587B1 true EP0259587B1 (en) 1990-03-07

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ID=4252489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110711A Expired - Lifetime EP0259587B1 (en) 1986-08-14 1987-07-24 Method and apparatus for gapping a slide fastener stringer

Country Status (4)

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EP (1) EP0259587B1 (en)
AT (1) ATE50686T1 (en)
CH (1) CH670552A5 (en)
DE (1) DE3761793D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016110937A1 (en) * 2015-01-05 2016-07-14 Ykk株式会社 Space forming device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1610397B1 (en) * 1966-01-03 1971-04-08 Prym Werke William Device for creating gaps between limbs in continuous zipper strips
US3470373A (en) * 1966-10-18 1969-09-30 Litton Systems Inc Method for analysis and identification of biologic entities by phosphorescence
US3540090A (en) * 1968-07-23 1970-11-17 Yoshida Kogyo Kk Slide fastener chain
DE1928698A1 (en) * 1969-06-06 1970-12-10 Ruhrmann Fa Dr Ing Josef Apparatus for removing elements from a continuous row of elements attached to a fastener tape
US4490899A (en) * 1982-06-04 1985-01-01 Hans Horlacher Method of and apparatus for removing coupling members from a slide fastener
JPS59115002A (en) * 1982-12-23 1984-07-03 ワイケイケイ株式会社 Synthetic resin slide fastener chain, method, instrument andapparatus for producing same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016110937A1 (en) * 2015-01-05 2016-07-14 Ykk株式会社 Space forming device

Also Published As

Publication number Publication date
ATE50686T1 (en) 1990-03-15
EP0259587A1 (en) 1988-03-16
CH670552A5 (en) 1989-06-30
DE3761793D1 (en) 1990-04-12

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