Rubber sheeting with integral adhesive edge

Details Rubber sheeting with integral adhesive edge Rubber sheeting with integral adhesive edge

1987-01-20

1988-08-30

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428517, 428519, B32B 300

Patent

active

047676582

ABSTRACT:
Fully cured thermoset ethylene-propylene rubber sheets having integral thermoplastic adhesive strips molded along the lateral edges are produced using a manufacturing method where the strips are applied prior to vulcanization of the rubber sheeting. The factory applied adhesive strip is non-tacky and dry but is activated by heat to securely bond the ethylene-propylene rubber sheets together in an overlap splicing procedure. A method of using the integral adhesive rubber sheeting for single-ply rubber roofing membrane or pond liners is also disclosed. Instantaneous attainment of maximum seam strength, water tightness and consistency of the seams are advantages over conventional solvent-based adhesive methods.

REFERENCES:
patent: 3264168 (1966-08-01), Sneary
patent: 4153748 (1979-05-01), Bischoff
patent: 4297411 (1981-10-01), Weiner
patent: 4511619 (1985-04-01), Kuhnel et al.
patent: 4537825 (1985-08-01), Yardley

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