Method of processing margarine or butter for squeeze packet containers
CA 1204331 A · Owner: Sar-A-Lee, Inc. · Inventors: Schwartz, Charles A.; Cornwell, Kenyon L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Margarine or other foodstuff with similar physical properties is warmed to room temperature and placed in a mixing bowl (10). The margarine is blended by stirring with paddles (12). Then, the margarine is mixed until it has a substantially uniform viscosity by a recirculating pump (14), extrusion of the margarine from the recirculating pump through a screen (16) and, continued stirring with the paddles. A 15 to 30 second burst of steam is applied into jacket (20) liquifying but not clarifying the margarine contiguous with the edge of the vessel. The recirculating pump draws the liquified margarine from the edge of the mixing howl and pumps it into the top center …
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 May 13, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 2003.
- 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.