Spin-bonded all plastic can and method of forming same
CA 1324328 C · Owner: Sonoco Products Company · Inventors: Fait, Roger J.; Ellerbrock, Donald H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The all plastic can includes an upwardly extending open mouth portion with an inwardly tapering exterior surface and a molded plastic end closure member having an integrally formed rim portion extending downwardly therefrom. An outwardly tapering interior surface is provided on the rim and is inclined to mate with the inwardly tapering exterior surface of the open mouth portion of the can body. Relative rotation is imparted between the end closure member and the product filled can body so that spin-bond sealing connects the inwardly tapering exterior surface of the open mouth portion and the interior surface of the rim portion of the end closure member. An integrally formed outwardly …
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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 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 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.