Cell-container and cell-lid for electric accumulators...

Details Cell-container and cell-lid for electric accumulators... Cell-container and cell-lid for electric accumulators...

H - Electricity

01

M

319/112

H01M 2/04 (2006.01)

Patent

CA 1199060

ABSTRACT CELL-CONTAINER AND CELL-LID FOR ELECTRIC-ACCUMULATORS PARTICULARLY FOR THOSE MEANT FOR TRACTION The cell-container, obtained by blow-forming, thus having a minor thickness, presents at the upper-rim a conformation in two steps(1) permitting the mating of the cell-lid to the cell-container remai= ning within unified overall-dimensions, as the welding-bead between the cell-lid and the cell-container forms itself on the inside in= stead of on the outside of the same. Furthermore, it becomes possi= ble to increase the welding-surface according to one's need if the cell-container is cut in correspondence with the flat-part of the step. The cell-container presents, furthermore, horizontal-recessings at various levels permitting the modular-cutting of the product ac- cording to unified measures. The cell-lid's form is concave towards the exterior in order to fol= low the dilatations of the poles during the service-life of the bat= tery. The cell-lid is also furnished with a molded ring, which has a circular profile around the electrolyte's inlet thus avoiding the application of a gasket onto the top-cover.

470972

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