Container
CA 1320918 C · Owner: Showa Denko Kabushiki Kaisha · Inventors: Miyauchi, Otohiko; Yotsuyanagi, Junji; Uchida, Yasuzo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a can-shaped container comprising: a container body including a cup-shaped container base with a flange at its opening, the container base being formed by using a plate-shaped multi-layer base material made up of an intermediate layer and thermally weldable resin layers formed on both sides of the intermediate layer in such a manner that wrinkles are formed in the cylindrical wall and an injected resin layer formed on the outer surface of the container base by injection molding in such a manner that the injected resin layer extends from the outer periphery of the flange of the container base thus, forming an injected resin flange the two flanges forming, a lid sealing region; and a lid …
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 August 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 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.