Process and apparatus for manufacturing slide fastener stringer
CA 1066492 A · Owner: Textron Inc. · Inventors: Moertel, George B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stringer for a slide fastener is formed by assembling head portions of a spiral coupling element through spaced slots in a support member which is transversely folded at one edge and has opposite folded portions secured together thereby to, retain the spiral coupling element by looped strap portions between the slots extending at an oblique angle to the folded edge the looped strap portions having a width substantially greater than the width of the slots. There is also disclosed an apparatus for the manufacture of such stringer.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 20, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.