Post seal and method of manufacture for lead-acid batteries
CA 1297529 C · Owner: C & D Power Systems, Inc. · Inventors: Misra, Sudhan S.; Brecht, William B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lead-acid battery includes a case having an apertured cover with the aperture being for passage of a terminal post therethrough for electrically connecting electrodes within the battery case to apparatus outside the battery with the terminal, post extending through the aperture. A rubber layer devoid of, rubber fillers and plasticizers circumferentially surrounds the, post at the aperture. A rubber-bonding epoxy polymer is between the rubber layer and the aperture through the case. A method of securely sealing a battery post within an aperture passing through a lead-acid battery case includes the steps of applying a rubber undercoat which is devoid of fillers and plasticizers annularly …
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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
- 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.