Welding machine for thermoplastic web

Details Welding machine for thermoplastic web Welding machine for thermoplastic web

1978-12-11

1980-06-10

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

1565831, B32B 3100, B30B 1534

Patent

active

042071364

ABSTRACT:
A displacement device in a thermoplastic web welding apparatus withdraws the leading edge of the web from the welding apparatus during pauses in feeding and/or production to prevent melting and sticking of the leading edge.

REFERENCES:
patent: 2882956 (1959-04-01), Weist
patent: 3663338 (1972-05-01), Wech
patent: 4105489 (1978-08-01), Lotto

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