Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1973-07-03
1976-02-24
Husack, Ralph
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427121, 427385, 428332, 428372, 428402, D04H 158
Patent
active
039405362
ABSTRACT:
A separator for a galvanic element wherein partially fused glass fibers are coated by a coating consisting of grains of thermo-hardening synthetic material immersed in a natural or synthetic latex to mechanically reinforce the knots in the glass fiber network resulting from partial fusion of the glass fibers without blocking the pores of the partially fused fiber network.
REFERENCES:
patent: 2568144 (1951-09-01), Cremer et al.
patent: 2578534 (1951-12-01), Giles et al.
patent: 2664376 (1953-12-01), Philipps
patent: 2673887 (1954-03-01), Booth
patent: 3035110 (1962-05-01), Corren
patent: 3084091 (1963-04-01), Volitman et al.
patent: 3328230 (1967-06-01), Levecque et al.
patent: 3814622 (1974-06-01), Isshiki et al.
Lasserre Pierre
Pitsch Johann
Childs Sadie L.
Compagnie Europeenne d'Accumulateurs
Husack Ralph
Societe Fulmen
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