Method for preventing loosening of a bolt
CA 1323751 C · Owner: Sakai, Jun · Inventors: Sakai, Jun; Natsume, Takeshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for preventing loosening of a bolt fastened to a metallic member coated with an anticorrosive paint film without removing the paint film. Anticorrosive painting is applied onto a metallic member, and then a painted film is thinned by applying an urging pressure onto a bolt seat surface portion of the painted metallic member by means of a press rod. Otherwise, the bolt seat surface portion of the metallic member is flatened by applying an urging pressure onto the bolt seat surface portion by means of a press rod or by machining the bolt seat surface portion anticorrosive, painting is applied onto the metallic member and then the, painted film is thinned by applying an urging …
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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 November 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 2010.
- 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.