Means and methods of sealing lids on containers
CA 1286615 C · Owner: The Laitram Corporation · Inventors: Lapeyre, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
MEANS AND METHODS OF SEALING LIDS ON CONTAINERS ABSTRACT OF THE DISCLOSURE:, Plastic portions of a container rim and mating lid are fused together by an electrical conductor wire loop positioned therebetween when electromagnetically coupled to an induction heating coil. The wire forms a tab extending outside the closed container which may be manually manipulated to remove a lid fused in place to close the container. This container may be hermetically sealed with sanitized foodstuff or the like by concurrently sterilizing with microwave energy while fusing the lid in place.
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.