Pole bushing for batteries

Details Pole bushing for batteries Pole bushing for batteries

H - Electricity

01

M

319/110

H01M 2/06 (2006.01)

Patent

CA 1158306

Abstract A pole bushing for batteries extends through the battery cover and forms a seal between the cover and the battery post. The bushing comprises a metal sleeve (1) which is embedded in a sealing material (2) to form a sealing element with an external surface (3) which bears against the battery cover (5), and with an internal surface (4) which at least partially is in close contact with the post (6) passing through the cover. The metal sleeve is provided with grooves (7) on its outside or inside to increase the sealing distance for contact between the sleeve and sealing material. One end portion (8) of the sleeve extends out of the sealing material and forms an annular portion, the internal surface of which (9) is for metallic connection to the post. The inventive sealing material is made of a resilient material, and the external surface of the sealing element is formed for contact with, and providing a sealing surface against the battery cover.

361194

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