Coating apparatus – With heat exchange – drying – or non-coating gas or vapor...
Patent
1985-04-29
1987-08-11
Lawrence, Evan K.
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
118 61, 118425, 118429, 118503, 118612, B05C 1110, B05C 305, B05C 310
Patent
active
046854150
ABSTRACT:
An apparatus for enveloping a battery plate with a microporous battery separator material by a dip method. The method involves first removing air bubbles from the plate by dipping the plate in a liquid, then dipping the plate into a polymer-solvent-filler suspension. After removal from the polymer-solvent-filler suspension, the plate is dried by evaporation or contacted with a nonsolvent and then dried. The result is the formation of a microporous separator envelope about the battery plate. The apparatus comprises a plurality of tanks for housing components for the production of the envelopes, into which tanks a battery plate can be sequentially dipped. Additionally, the apparatus includes a screen between the first two tanks for attracting liquid when contacted by a wet battery plate, a dryer, and a plate carrier.
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Lawrence Evan K.
Tiegel Manufacturing Co.
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