H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/89, 319/91
H01M 4/14 (2006.01)
Patent
CA 1102409
TITLE OF THE INVENTION: BATTERY PLATES COVERED WITH POROUS THERMOPLASTIC RESIN ABSTRACT OF THE DISCLOSURE: Softening and separation of an active material in flat-type pasted positive plates are prevented by a simple process with an inexpensive material so that the life may be comparable with that of clad type positive plates. Finely divided, corrosion-inhibitive thermoplastic resin powder is sprayed or otherwise applied over a pasted positive plate and heated and melted to form thin porous layers over the major surfaces of the positive plate. According to another aspect of the invention, the same resin powder is melted and bonded within the positive plate so that the porous layers may be formed within the plate in addition to the porous layers on the major surfaces. -1-
294512
Iwaki Tsutomu
Kobayashi Yoshihiro
Gowling Lafleur Henderson Llp
Matsushita Electric Industrial Co. Ltd.
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