Method of casting lead alloy automotive battery parts
CA 1095687 A · Owner: General Battery Corporation · Inventors: Eberle, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel method of producing storage load alloy parts is provided comprising the steps of (a) providing a grid mold having a mold substrate consisting essentially of aluminum (b) hard surface, anodizing at least a portion of said mold substrate to produce molding surface thereon, (c) introducing molten lead alloy into such mold against said molding surface and (d) allowing said lead alloy to cool to form said storage battery grid. Other steps which may be included as a novel method of the present invention including texturing the mold substrate prior to the hard surface anodizing step to form a discontinuous surface thereon, which texturing step may be accomplished by peening said substrate …
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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 February 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 17, 1998.
- 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.