Welding and backing ring arrangement for an electric cell

Details Welding and backing ring arrangement for an electric cell Welding and backing ring arrangement for an electric cell

1988-10-26

1990-03-20

Kalafut, Stephen J.

Metal working

Method of mechanical manufacture

Electrical device making

296234, 429101, 429174, 428595, 428596, 428603, H01M 600, B32B 312

Patent

active

049098071

ABSTRACT:
A welding and backing ring arrangement for the connecting of two cylindrical enclosure parts of a flameproof enclosure of an electric cell having stacks of electrodes arranged symmetrically to the weld seam is described. The ring consists of a rectangular hollow profile section (box profile) with an outwardly directed, approximately equatorially arranged collar. The ring is advantageously produced from two identical ring halves which are connected mirror-invertedly and the meridian cross-section of which has a hat profile. To relieve the weight, the axially perpendicular areas may be provided with breakthroughs. The wall thickness of the welding ring is to be approximately 50% of the wall thickness of the flameproof enclosure.

REFERENCES:
patent: 2715193 (1955-08-01), Stnex
patent: 3729347 (1973-04-01), Brown et al.
patent: 4420545 (1983-12-01), Meyer et al.
patent: 4517264 (1985-05-01), Miller et al.
patent: 4546054 (1985-10-01), Carr et al.

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