B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/18 (2006.01) B29C 65/02 (2006.01)
Patent
CA 2464387
Apparatus for heat welding together thermoplastic membranes mounted on a surface includes a frame, a support member connected to the frame, a nozzle mounted on the support member to receive heated air, weld wheels mounted on the support member adjacent to, and immediately following, the nozzle for pushing a heated portion of an upper membrane toward a lower membrane to effect a weld, wherein the support member is adapted to be fixed to the frame member in a first position proximate a first side of the frame for welding the two membranes together, is releasable from the first position, is movable to a second position nearer a second side of the frame, and adapted to be releasably fixed to the frame at the second position for welding a membrane to an underlying edge piece mounted on a free edge of the surface.
Macrae & Co.
Sarnafil Inc.
Sika Ag
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