Method and an arrangement for the application of an end plate to a packing container body
CA 1307417 C · Owner: Nedstedt, Ulf · Inventors: Nedstedt, Ulf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The application of end plates to packing container bodies is done customarily in that preformed end plates are placed in the desired position and are sealed with the help of sealing jaws which as the material is thermoplastic comprise means for heating the material. The sealing jaws operate with large forces and -the arrangement is relatively complicated. A simpler method and an arrangement for the application of an end plate to a packing container body is proposed in accordance with the invention which operates with a heated end blank consisting of thermoformable material which by means of a pressure difference between the two sides of the blank is vacuum-formed over the end of the packing …
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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 September 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 2009.
- 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.