Apparatus for melt-forming bottom stop of slide fastener chain
CA 1234261 A · Owner: Yoshida Kogyo K.K. · Inventors: Matsuda, Yasuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure: A bottom stop melt-forming apparatus melt-forms a bottom stop on a continuous slide fastener chain which alternately has a portion in which elements of a thermoplastic synthetic resin material are interlocked with each other and a space portion in which no element is present. The apparatus includes: a device which advances the slide fastener chain; a positioning member having a positioning projection which is adapted to enter the space portion and to engage an element at the rear edge of the space portion; a device which is adapted to sense the engagement between the positioning projection and the element and to stop the advance of the fastener chain; an …
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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 March 22, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 22, 2005.
- 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.