Method and apparatus for performing hot air welding of thermopla

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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156 82, 156391, 156497, B32B 3100, B32B 3112, B65C 1900

Patent

active

043157912

ABSTRACT:
Thermoplastic resin parts are opposingly placed from each other and a concentrated blast of hot air is applied to opposite areas of these parts to be welded while the parts are rotating. After melting the opposing areas of these parts by application of the hot air thereto, the parts are then forced into integral contact with each other.

REFERENCES:
patent: 2229329 (1941-01-01), Kaspar
patent: 3024349 (1962-03-01), Hinrichsen et al.
patent: 3128215 (1964-04-01), Hood et al.
patent: 4094725 (1978-06-01), Takeda et al.

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