Apparatus for hot gas welding of a pair of thermoplastic materia

Details Apparatus for hot gas welding of a pair of thermoplastic materia Apparatus for hot gas welding of a pair of thermoplastic materia

1977-01-24

1978-06-13

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

156499, 2395903, B32B 3100

Patent

active

040947254

ABSTRACT:
A process for welding a pair of thermoplastic workpieces by hot gas ejecting, which includes the steps of (a) positioning a pair of works to be welded in opposed relation with each other, (b) positioning heat blast nozzles between the works, (c) ejecting heat blast from the nozzles to the opposed surfaces of the works, (d) retracting the nozzles from the position between the works (e) advancing one of the works to be in pressure contact with the other, and (f) pressurizing the two works for firmly combining the two.

REFERENCES:
patent: 2367725 (1945-01-01), Lindh et al.
patent: 3075868 (1963-01-01), Long
patent: 3359151 (1967-12-01), Hall
patent: 3404051 (1968-10-01), Hall
patent: 3488244 (1970-01-01), Lepisto
patent: 3941314 (1976-03-01), Moss et al.
patent: 3953272 (1976-04-01), Webber

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