Noise reducing structure of slide-cam die
CA 2073204 C · Owner: Umix Co. Ltd. · Inventors: Matsuoka, Mitsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A noise reducing structure of slide-cam die wherein in the, slide-cam die comprising a passive cam having an inclined, passive face of a fixed inclination angle .alpha. and an actuating cam having an inclined actuating face of the same inclination angle .alpha. as that of the inclined passive face of the passive cam and, contacting the inclined actuating face of the actuating cam to the inclined passive face of the passive cam to drive the passive cam for pressing a work; a roller is disposed rotatably at the side of the passive cam, and a speed control cam plate having at a location of the actuating cam facing the roller a cam face, having, at a position where an upper die contacts to the …
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 July 6, 1992 and granted August 24, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2014.
- 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.