Obstruction avoidance continuous seam welding system

Details Obstruction avoidance continuous seam welding system Obstruction avoidance continuous seam welding system

2005-12-13

2005-12-13

Fiorilla, Chris (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With separate heating means for work

C156S502000, C156S582000, C156S583300

Reexamination Certificate

active

06973951

ABSTRACT:
An apparatus for seaming roofing membranes to one another, wherein one of the membranes is secured to an underlying support structure by at least one protruding fastener is provided. The apparatus includes a wheeled carriage having an upwardly extending push/pull bar. A power supply propels the wheeled carriage and energizes a heating assembly that generates a heated airflow sufficient to fuse the roofing membranes to one another. A nozzle is coupled to the heating assembly for directing the heated airflow between the two membranes. A variable pressure roller assembly is coupled to the carriage and has a single durometer material carried by an axle that may have different diameter sections. The roller passes over the at least one protruding fastener while still applying a uniform pressure so as to form a substantially continuous width seam except where interrupted by the protruding fastener.

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