Heating torch

Details Heating torch Heating torch

1995-02-02

1995-11-14

Yeung, James C.

Combustion

Flame holder and fuel tank assembly

431255, 126407, 126413, F23D 1428

Patent

active

054661498

ABSTRACT:
An improved heating torch including a barrel, a top mounting, a gas release device, a flame device and a casing unit. After assembly, by turning a switch button, the flow of fuel gas and initiation of a piezoelectric device to start ignition may be controlled. Two copper sheets which retain a regulating sponge therebetween regulate the pressure of fuel gas for maintaining a stable pressure. The reciprocating movement of a control core conceals or opens a connecting hole for regulating gas flow. A ring notch and a corresponding air vent controls the mixture of air and fuel gas. A front end of the heating torch may further be provided with a soldering-iron, and a base plate is provided on the bottom of the barrel for keeping the torch in a stable position.

REFERENCES:
patent: 3597732 (1986-07-01), Yoshinaga
patent: 4804324 (1989-02-01), Yoshinaga
patent: 4952138 (1990-08-01), Ho

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