Mini welding/soldering torch

Details Mini welding/soldering torch Mini welding/soldering torch

1999-04-07

2000-05-16

Kastler, Scott

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

431344, 431346, B23K 700

Patent

active

060633298

ABSTRACT:
A mini welding/soldering torch, which includes a gas burner, an oxygen control unit controlled to regulate the flow rate of oxygen from an oxygen storage means to the gas burner, and a fuel gas control unit controlled to regulate the flow rate of fuel gas from a fuel gas storage means to the gas burner for mixing with oxygen for burning, wherein a porous stone is mounted inside the gas burner to stop backward flame, and a rubber ring is mounted on a flow guide around a fuel gas outlet which is melted to seal the fuel gas outlet if flame goes back to the inside of the gas burner due to an error.

REFERENCES:
patent: 3182334 (1965-05-01), Hammon
patent: 3243272 (1966-03-01), Schmitz
patent: 4804324 (1989-02-01), Yoshinaga
patent: 5725369 (1998-03-01), Tsai
patent: 5816794 (1998-10-01), Tsai

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