Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1976-12-20
1979-07-03
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
5216914, 5230917, 427136, 427209, 428 74, 428 57, 428247, 428246, 428254, 428262, 428265, 428269, 428284, 428287, 404 82, B23B 326, E02D 2700, B32B 518, D04H 100
Patent
active
041600584
ABSTRACT:
A waterproof covering is manufactured by depositing a fluid product, forming an adhering and watertight film, on the surface of the basis or support to be waterproofed. A textile layer is laid on the film before its complete formation, i.e., while a portion of the film forming fluid is still in its fluid state, in such a way that the central portion of this layer is not impregnated and a second fluid forming an elastic waterproof film is laid on the textile in such a way that the central portion of the textile layer is not impregnated. The roll of material used in this process is also disclosed as well as is thewaterproof covering obtained by this process and its use to waterproof terraces, front walls, foundation walls, tanks or the like.
REFERENCES:
patent: 2653118 (1953-09-01), Seymour
patent: 2718829 (1955-09-01), Seymour et al.
patent: 2752275 (1956-06-01), Raskin et al.
patent: 2983624 (1961-05-01), Thompson
patent: 3364058 (1968-01-01), Wagner et al.
patent: 3725185 (1973-04-01), Curtis
patent: 3853682 (1974-12-01), Hurst
Lesmes George F.
Zirker D. R.
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