Safety double injector spray device or torch

Details Safety double injector spray device or torch Safety double injector spray device or torch

1975-12-23

1976-10-19

Ward, Jr., Robert S.

Fluid sprinkling, spraying, and diffusing

With means fusing solid spray material at discharge means

With supply holder for fusible material

239413, 239419, 239424, 2394275, 2391323, B05B 124, B05B 702, B05B 1500

Patent

active

039866688

ABSTRACT:
A safety double injector spray device or torch is provided for applying a spray coating to a substrate comprising, a torch body having a torch head at the end thereof, an oxygen duct and a fuel gas duct associated with said spray device and coupled to a first injector means for mixing oxygen and fuel gas therein, a fuel gas-oxygen mixing duct located forward of and coupled to said first injector means, a carrier gas duct associated with said spray device coupled to a second injector means for mixing spray powder with carrier gas fed to said duct, a carrier gas-spray powder mixing duct located forward of said second injector means, spray powder feeding means coupled to said torch body and communicating in powder feeding relationship with said carrier gas duct, and means forward of said first and said second injector means coupling said carrier gas-spray powder mixing duct and said fuel-gas oxygen mixing duct to said torch head.

REFERENCES:
patent: 2072845 (1937-03-01), Benoit
patent: 2108998 (1938-02-01), Schort
patent: 2786779 (1957-03-01), Long et al.
patent: 2804337 (1957-08-01), Marantz
patent: 3190560 (1965-06-01), Schilling et al.
patent: 3226028 (1965-12-01), Schilling
patent: 3404838 (1968-10-01), Hawk
patent: 3415449 (1968-12-01), Hawk
patent: 3476320 (1969-11-01), Fleischhacker et al.

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