Accelerated steel cutting methods and machines for...

Details Accelerated steel cutting methods and machines for... Accelerated steel cutting methods and machines for...

2006-06-20

2006-06-20

Kastler, Scott (Department: 1742)

Metallurgical apparatus

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

C428S577000, C428S600000

Reexamination Certificate

active

07063814

ABSTRACT:
A method for cutting steel includes heating a portion of the steel until it is molten, positioning a cutting torch to have a high angle of incidence relative to the molten steel, and blasting high pressure oxygen at the molten metal. The blast of high pressure oxygen further heats the molten metal and blows the molten metal away from the steel to create a cutting trench. The cutting torch is then moved generally parallel to the cutting method includes a cutting torch that emits a high pressure combustible gas and a high pressure combustion enhancing gas. The torch directs the high pressure gases at the steel so that the gases hit the steel at an acute angle of attack. An automated device propels the torch in the general direction of the desired cut. The resultant cut metal product has at least one edge with a grain pattern that is not perpendicular to the direction of cut.

REFERENCES:
patent: 2289786 (1942-07-01), Jones
patent: 2301923 (1942-11-01), Babcock
patent: 2470999 (1949-05-01), Meincke
patent: 5944915 (1999-08-01), Bissonnette

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