Apparatus and method for welding covers onto battery jars
CA 1162253 A · Owner: Hardigg Industries, Inc. · Inventors: Neal, David B.; Strzegowski, Joseph C. Jr.; Hardigg, James S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device and method for welding battery jar covers onto battery jars with the battery elements and terminal post in position within the jar and with a cover placed in position. The invention includes an exemplary welding apparatus that employs separate heating and clamping mechanisms on each side of the jar so that the cover does not have to be lifted completely off the jar during welding and this structure greatly reduces the time required to change over from one size to another thereby increasing the per unit processing capacity of the device. Further in order that a variety of jar sizes be rapidly handled, two of the heating and clamping mechanisms are relatively long while the other two …
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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 14, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 14, 2001.
- 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.