Integral fastening system
CA 2108729 A1 · Owner: Budd Company (The) · Inventors: Haraga, George Norman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, A fastening system for securing a metal plate to a plastic sheet is integrally formed from the material of the metal plate. An extrusion punch forms a cylindrical shaped lip which is located in a corresponding hole in the plastic sheet. The end of the cylindrical shaped lip is then peened over to provide an annular section that traps and thus secures the metal plate to the plastic sheet. The present invention thus provides a low cost lightweight fastening system eliminating the need to match and apply individual conventional fasteners with particular components. The fastening system is particularly useful for fastening a metal backing plate to a hood assembly. The hood …
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
- Filed October 19, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 19, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 19, 2015.
- 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.