Metal forming lubricant and method of use thereof
CA 1187071 A · Owner: E/M Lubricants, Inc. · Inventors: Sargent, Donald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a lubricant for use in the drawing and ironing of black plate steel during the manufacture of enclosed containers such as cans. In particular the lubricant is applied to that portion of the black plate steel which ultimately becomes the outside surface of the can body. The lubricant comprises an aqueous solution of an active component, such as a major portion of molybdenum disulfide together with minor amounts of waxes and other materials. In performing the method of the present invention a, lubricant system is employed. The lubricant system comprises a dual lubricant coating. The first, or outside coating is, applied to that portion of the black plate steel …
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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 May 14, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 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.