Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1984-07-30
1986-07-29
Wityshyn, Michael
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
156551, 156575, 156578, 156579, B05C 102, B05C 106, B32B 3500
Patent
active
046029788
ABSTRACT:
An apparatus for sealing the lap joint formed by the edge of an upper sheet of roofing material overlying the edge of a lower sheet comprises a frame, a handle assembly mounted to the frame, a drive assembly including an endless belt which contacts the roof and is wrapped around a pair of spaced rollers mounted for rotation to the frame, a solvent delivery assembly mounted to the frame for applying solvent material between the overlapping edges of the roofing sheets, and a plurality of spring-biased casters mounted to the frame and extending downwardly into contact with the endless belt. The spring-biased casters are adapted to urge the belt against the upper roofing sheet and into contact with the lower sheet, thereby permitting the solvent material to create a bond therebetween. The spring-biased casters are arranged in an array so that pressure is applied to the entire lower run of the belt which contacts the roof surface.
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patent: 4440588 (1984-04-01), Stevenson et al.
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