Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1993-09-29
1996-05-28
Stemmer, Daniel J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 71, 156281, B32B 3112
Patent
active
055207618
ABSTRACT:
A process for preparing a lap seam for roofing comprising applying a butyl rubber-containing primer with a mesh pad to the EPDM membrane surfaces to be joined, the primer having an elastomeric solids content of from about 15-20 percent, by weight. Thereafter positioning a splice tape between the primed surfaces to form a seam structure and applying pressure to the structure thus provided to form an adhesively-held lap seam characterized by being water tight and having superior peel strength.
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Barksdale Daniel L.
Hoff James L.
Kalwara Joseph J.
Bridgestone/Firestone Inc.
Stemmer Daniel J.
Troy, Sr. Frank J.
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