A fastener die member, panel and fastener assembly and method of installing a fastener
CA 2271345 A1 · Owner: Fabristeel Products, Inc. · Inventors: Woods, Harold T.; Ladouceur, Harold A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an improved die member panel and, fastener assembly and method for installing a fastener into a panel. The die member has a pair of opposed clinching lips protruding from an end face. The opposed clinching lips have a contact face that narrows as it approaches the opposed ends of the contact face and sidewalk that are angled with respect to vertical. The lips, due to the dual angles substantially and simultaneously , drive panel metal into fastener grooves both longitudinally and laterally. The fastener, and panel assembly have panel metal deformed into the fastener grooves resulting, in generally wedge-shaped portions of panel metal in the opposed ends of …
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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
- Filed May 7, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 7, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 7, 2021.
- 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
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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.