Molded part and method of making the same
CA 1193409 A · Owner: Hitachi, Ltd. · Inventors: Nemoto, Masanori; Asano, Hideki; Umino, Morimichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A molded part including a metal plate formed with a plurality of through holes, a plurality of resin portions connected to a resin filled in the through holes and protruding on opposite sides of the metal plate the, resin portions having a planar cross section larger than a cross section of the through holes, and a plurality of resin components each integrally formed with one of the resin portions. The resin components are secured in place on the metal plate separate from and independent of each other by virtue of residual thermal stress produced by the difference in the coefficient of thermal expansion between the resin portions and the metal plate in such a manner that a radially oriented …
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 September 17, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2002.
- 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.