Inhibition of liquid and vapor transmission through plastic-subs

Details Inhibition of liquid and vapor transmission through plastic-subs Inhibition of liquid and vapor transmission through plastic-subs

1974-11-29

1976-11-16

Mack, John H.

Metal working

Method of mechanical manufacture

Electrical device making

264238, 264272, H01M 200, H01M 208

Patent

active

039922243

ABSTRACT:
Powder coating a substrate with a polyolefin or preferably a polyolefin-polycarbonamide blend before contacting the substrate with a plastic resin creating a plastic-substrate seal, inhibits liquid and vapor transmission through the seal. The application of this invention to battery terminal bushings prevents unsightly corrosion about the battery terminal which is caused by "wicking" of battery acid.

REFERENCES:
patent: 3449145 (1969-06-01), Bloom et al.
patent: 3532531 (1970-10-01), Stallard
patent: 3713896 (1973-01-01), Feldhabe
patent: 3808073 (1974-04-01), Navarre
patent: 3911161 (1975-10-01), Nord

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