GB615343A - Sliding-clasp fastenings of thermoplastic material - Google Patents

Sliding-clasp fastenings of thermoplastic material

Info

Publication number
GB615343A
GB615343A GB13332/46A GB1333246A GB615343A GB 615343 A GB615343 A GB 615343A GB 13332/46 A GB13332/46 A GB 13332/46A GB 1333246 A GB1333246 A GB 1333246A GB 615343 A GB615343 A GB 615343A
Authority
GB
United Kingdom
Prior art keywords
parts
sliding
socket
teeth
nib
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
GB13332/46A
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.)
LAVORAZIONE MAT PLAST
Original Assignee
LAVORAZIONE MAT PLAST
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 LAVORAZIONE MAT PLAST filed Critical LAVORAZIONE MAT PLAST
Publication of GB615343A publication Critical patent/GB615343A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D5/00—Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners
    • B29D5/02—Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners the fasteners having separate interlocking members

Abstract

615,343. Sliding-clasp fasteners. S.P.A. LAVORAZIONE MATERIE PLASTICHE. May 2, 1946, No. 13332. Convention date, July 7, 1943. [Class 44] [Also in Group V] A sliding-clasp fastener of thermoplastic comprises nib and socket parts having interengaging undercut teeth, fastening and unfastening being allowed by the elastic deformation of the material. Fig. 1 shows the profile of the nib member 1 and Fig. 2 shows the nib and socket in engagement. The socket 4 comprises side walls 5 held together by the base part 7 which is formed with teeth of the same height as the side walls. The stringers 8 are integral with the other parts. Both parts are made simultaneously and continuously in an extrusion machine having dies for the two parts on either side of a continuous band having teeth on its edges. The band is guided in the machine and the fastener parts are removed from it by traction when the material is still hot.
GB13332/46A 1943-07-07 1946-05-02 Sliding-clasp fastenings of thermoplastic material Expired GB615343A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT615343X 1943-07-07

Publications (1)

Publication Number Publication Date
GB615343A true GB615343A (en) 1949-01-05

Family

ID=11292436

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13332/46A Expired GB615343A (en) 1943-07-07 1946-05-02 Sliding-clasp fastenings of thermoplastic material

Country Status (1)

Country Link
GB (1) GB615343A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1099481B (en) * 1957-09-18 1961-02-16 Ernst Sander Zipper
DE1229329B (en) * 1965-01-19 1966-11-24 Dr Hugo Wilcken Method and device for producing rows of zipper links in the form of helical springs
DE1785520B1 (en) * 1963-04-15 1970-06-04 Textron Inc Device for producing continuous, helical, coupled rows of links from plastic

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1099481B (en) * 1957-09-18 1961-02-16 Ernst Sander Zipper
DE1785520B1 (en) * 1963-04-15 1970-06-04 Textron Inc Device for producing continuous, helical, coupled rows of links from plastic
DE1435834B1 (en) * 1963-04-15 1970-06-04 Textron Inc Winding device for the simultaneous form winding and coupling of two continuous rows of helical spring links
DE1229329B (en) * 1965-01-19 1966-11-24 Dr Hugo Wilcken Method and device for producing rows of zipper links in the form of helical springs

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