Hot air blast welding apparatus for thermoplastic parts

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With gas – vapor – or flame contact means for work

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Details

1563041, 1563042, 1563046, B32B 3500

Patent

active

044500386

ABSTRACT:
A hot air blast welding apparatus for welding works of thermoplastic materials having different softening temperatures. The apparatus includes a nozzle having nozzle openings for applying hot blasts of air to respective ones of the works. The nozzle is so constructed that it applies air blasts of different temperatures or different flow rates to the works so that the works are brought substantially simultaneously to softening points.

REFERENCES:
patent: 3488244 (1970-01-01), Lepisto
patent: 3884746 (1975-05-01), Loliger et al.
patent: 3953272 (1976-04-01), Webber
patent: 3998682 (1976-12-01), Harmsen
patent: 4094725 (1978-06-01), Takeda et al.

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