Back patch for casing made of shrink nylon
CA 1195545 A · Owner: Nihon Tokkyo Kanri Company Limited · Inventors: Inagaki, Hiromichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a casing used for packaging ham sausage or similar food products. A heat-sealable plastic film is laminated onto the inner surface of shrink nylon film to form a casing film this casing, film is curved into a cylindrical form so that two edges thereof overlap each other. The inside of this overlapped portion is covered with adhesive tape made of the same laminate as that of the casing film and this adhesive, tape is heat sealed onto the casing film to form an integral back patch. The overlapping joint rather than the conventional butt joint has the advantage that there is a tendency for only one edge to curve rather than two making the finished product more …
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 October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
- 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.