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4790886 |
A method for torch cutting metal walls by burning powdered metals admixed with a gas oxidizer to establish a pre-heat flame at a cutting zone and followed by continuously adding a gas cutting agent for intensifying said flame cutting thr...
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4217850 |
An apparatus for flamescarfing the surface of a workpiece includes a powder supply device having a powder container connected via a shut-off valve to a powder distributor which is connected via hoses with nozzles mounted on the flamescar...
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3932199 |
A process for flame scarfing places of errors or surface defects on a work piece such as ingots, slabs or the like, by means of at least one flame-scarfing torch is characterized by raising and/or accelerating the flame-scarfing torch fr...
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3856282 |
A device for applying flame-spraying powder to the top and side surfaces of work pieces to be flame scarfed is characterized by a powder supply conduit having at least two branches, one of which terminates at the center of the chamber of...
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3639178 |
Scarfing or cutting with a scarfing or cutting torch comprising a central duct of oxygen, a coaxial plurality for flame-producing ducts and, around this plurality of ducts, powder jets producing ducts. The powder jets approximately conve...
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