Die assembly and method for clinching fasteners to panels
CA 1057937 A · Owner: Maclean-Fogg Lock Nut Co. · Inventors: Oaks, Daniel V.
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 die assembly for clinching a fastener such as a pierce nut to a panel. In the clinching operation a pilot, portion of the fastener is driven through the panel and into an aperture in a die body. Step portions of the die body deform the fastener pilot and interlock or clinch the fastener and panel together. After the clinching operation the fastener, and panel are stripped from the die assembly. In order to facilitate release of the fastener pilot from the die aperture the die body is segmented so that its segments can separate in a radial direction to enlarge the aperture. The die body segments have sloping outer surfaces received in a complementary die holder …
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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 July 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 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.