H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/110
H01M 2/08 (2006.01) H01M 2/04 (2006.01) H01M 2/06 (2006.01)
Patent
CA 1211787
GAS AND LIQUID TIGHT POLE SEAL FOR ELECTRIC STORAGE BATTERIES, PARTICULARLY LEAD STORAGE BATTERIES ABSTRACT OF THE DISCLOSURE A hermetic pole seal for lead storage batteries which averts the customary use of lead sleeves, involves a first ring-shaped molding surrounding the pole shaft with a rubber-elastic synthetic plastic (thermoplastic rubber) and a second molding covering the former with a less elastic syn- thetic, which is preferably identical to the case material (e.g. polypropylene), followed by mirror welding to the lid. The sealing of the pole lead-through results from material shrinkage following the molding. In so doing, the different plastics mesh from opposite sides.
437349
Gummelt Klaus
Illmann Joachim
Fetherstonhaugh & Co.
Varta Batterie Aktiengesellschaft
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