Method and apparatus for fabricating battery plate envelopes

Details Method and apparatus for fabricating battery plate envelopes Method and apparatus for fabricating battery plate envelopes

1981-10-13

1983-10-04

Husar, Francis S.

Metal working

Method of mechanical manufacture

Electrical device making

29730, 493390, 493464, H01M 214

Patent

active

044070632

ABSTRACT:
A method and apparatus are provided for fabricating battery plate envelopes from a sheet formed of microporous plastic material having a width greater than that of a battery plate to be enveloped. A battery plate is pushed edgewise into the sheet to fold the sheet about the battery plate with edges overlapping the battery plate on both sides. The folded sheet is fed with the battery plate therein into the interface between a pair of opposed pressure rollers each of which include a pair of axially aligned sealing wheels. A continuous seal is formed between the overlapping edges of the sheet by compressing the edges into one another between the sealing wheels. Each set of sealing wheels may comprise gear teeth whose teeth continuously mesh with those of the teeth mounted on the opposing pressure roller.

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