Making of self-locking internally threaded fasteners
CA 1051619 A · Owner: Amerace Corporation · Inventors: Newnom, Richard S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for making a self-locking internally threaded fastener having a ring-like plastic patch having a circumferential extent greater than 180° adhered to the thread-defining surface of the fastener. The apparatus comprises a pin having a cavity-forming portion and means, for seating the fastener upon the pin to define a cavity having a circumferential extent greater than 180°. The pin has a terminal end, a generally cylindrical shoulder portion extending axially along the pin and a frusto-conical surface portion tapered from a larger diameter juxtaposed with the shoulder to a smaller diameter at the terminal end of the pin. The apparatus also includes means for depositing the plastic …
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
- Granted April 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 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.