GB524742A - An improved method of producing sliding clasp fasteners - Google Patents

An improved method of producing sliding clasp fasteners

Info

Publication number
GB524742A
GB524742A GB3822/39A GB382239A GB524742A GB 524742 A GB524742 A GB 524742A GB 3822/39 A GB3822/39 A GB 3822/39A GB 382239 A GB382239 A GB 382239A GB 524742 A GB524742 A GB 524742A
Authority
GB
United Kingdom
Prior art keywords
stringers
feb
strip
sliding
improved method
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
GB3822/39A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB524742A publication Critical patent/GB524742A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Slide Fasteners (AREA)

Abstract

524,742. Sliding-clasp fastenings. BOENECKE, A., DAVID, G. C., and ZEDDIES, H. Feb. 6, 1939, No. 3822. Convention date, Feb. 11, 1938. [Class 44] For the simultaneous production of the two stringers of sliding-clasp fasteners a strip of material of suitable cross-section as shown in Fig. 2 is punched out along its middle line to give a series of apertures 6 and is then cut along such line, for instance by a knife wheel 14, so providing the interlocking projections 7 and recesses 8. The two stringers are then given the necessary staggering and pass through a fixed slider 15 where they are inter-engaged and thereafter are wound upon a storage drum from which any desired length can be cut as required. The interlocking recesses 8 are provided by the punched-out apertures 6 extending into hollow beadings 3. The strip may be operated upon directly after leaving the extrusion apparatus by which it is formed.
GB3822/39A 1938-02-11 1939-02-06 An improved method of producing sliding clasp fasteners Expired GB524742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE524742X 1938-02-11

Publications (1)

Publication Number Publication Date
GB524742A true GB524742A (en) 1940-08-14

Family

ID=6552386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3822/39A Expired GB524742A (en) 1938-02-11 1939-02-06 An improved method of producing sliding clasp fasteners

Country Status (1)

Country Link
GB (1) GB524742A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010923B (en) * 1952-07-14 1957-06-27 Karl Gustav Stickel Zipper
DE1099481B (en) * 1957-09-18 1961-02-16 Ernst Sander Zipper
DE1108635B (en) * 1957-08-30 1961-06-15 Flex Fasteners Ltd Zipper and process for its manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010923B (en) * 1952-07-14 1957-06-27 Karl Gustav Stickel Zipper
DE1108635B (en) * 1957-08-30 1961-06-15 Flex Fasteners Ltd Zipper and process for its manufacture
DE1099481B (en) * 1957-09-18 1961-02-16 Ernst Sander Zipper

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