Metal packaging can and method of making it
CA 1281241 C · Owner: Hoogovens Groep Bv · Inventors: Jonker, Frederik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Text for filing, METAL PACKAGING CAN AND METHOD OF MAKING IT ABSTRACT, Metal packaging can body, for use in forming a can by attachment of at least one lid, has a generally cylindrical body portion and a flanging rim which is intended for the subsequent attachment of the body portion to the lid. The flanging rim is at least partly of wall thickness greater than that of the body portion. To save material and costs, the flanging rim has at least one portion which decreases in wall thickness in the axial direction away from said body portion The invention is especially applicable to deep-drawn and ironed products.
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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 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.