Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With separate heating means for work
Patent
1994-12-14
1996-10-29
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With separate heating means for work
156574, 156579, B32B 3100
Patent
active
055693520
ABSTRACT:
A machine for seam welding overlapping heat weldable lengths of covering, comprising a wheel-borne frame having a heating element suspended on one side designed for insertion between an underlying and an overlying length of covering. The machine has pressing means and driving wheels for compressive stress of the upper side of the overlying length of covering and for movement of the machine in the longitudinal direction of the overlapping seam or lap. To make possible wheel transport of the machine, with the heating element raised from the underlying surface, and to make possible an easier guiding of the heating element between the two lengths of covering in the lap, the machine has especially positioned transport wheels which in the welding position will be lifted clear of the underlying surface, but by tilting the machine can be brought into contact with the underlying surface, so that the machine can be wheeled by means of the transport wheels. The heating element is suspended such that its leading edge will have the initial contact with the underlying surface, whereby the guiding and insertion of the heating element between the lengths of covering are facilitated and any damage to the lengths of covering as a consequence of premature and/or undesired contact between a hot heating element and the underlying surface is avoided.
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Johansen Tore
Svindal Hakon
A/S Fjeldhammer Brug
Rivard Paul M.
Simmons David A.
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