B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
154/119, 20/73,
B29C 65/02 (2006.01) B29C 65/00 (2006.01) B32B 3/06 (2006.01) B32B 25/00 (2006.01) E04D 5/06 (2006.01) E04D 5/12 (2006.01)
Patent
CA 1272673
ABSTRACT OF THE DISCLOSURE RUBBER SHEETING WITH INTEGRAL ADHESIVE EDGE 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.
504600
Lorenz Harold K.
Sim & Mcburney
The Goodyear Tire & Rubber Company
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