Weld wheel assembly for disposition on a membrane welding machine
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United States of America Patent
Stats
-
Jun 24, 2003
Grant Date -
Nov 15, 2001
app pub date -
Jul 5, 2001
filing date -
Sep 20, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A weld wheel assembly for disposition on a membrane welding machine, and for positioning a weld wheel adjacent a nozzle hot air outlet for pressing an overlying roof membrane heated by the nozzle against an underlying roof membrane heated by the nozzle, for welding the membranes together. The assembly includes a weld wheel rotatably mounted on an axle which is moveable toward and away from the membranes, and pressure exerting structure mounted on the machine and operable to bias the axle toward the membranes during operation of the machine.
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