Hot gas sealing device

Details Hot gas sealing device Hot gas sealing device

1983-12-30

1985-04-16

Dawson, Robert

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

53373, 53477, 156499, 219531, B32B 3126

Patent

active

045114269

ABSTRACT:
A device for hot air welding, comprising a nozzle for activation of a sealing area around an opening at the inside of a hollow body. The nozzle has a slot device for directing a flow of air out through the opening for activating the sealing area when the nozzle is in the operative position thereof. Means are arranged for cooling the hollow body externally around the sealing area. There are also provided means for recirculation of the gas.

REFERENCES:
patent: 3140571 (1964-07-01), Dorper et al.
patent: 3980515 (1976-09-01), Reil et al.
patent: 4019946 (1977-04-01), Greisman
patent: 4350003 (1982-09-01), Greenawalt et al.
patent: 4394204 (1983-07-01), Hutcheson

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