Method for producing a steel tube including cleaning of the inner tube wall

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United States of America Patent

PATENT NO 9839949
SERIAL NO

14778193

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Abstract

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A method for producing a steel tube including the step of the manufacturing a steel tube having an inner tube wall, an outer tube wall, and a free tube cross-section enclosed by the inner tube wall, wherein after the manufacturing, the steel tube includes at least one contaminant on the inner tube wall. After the manufacturing of the steel tube, the inner tube wall is cleaned by introducing liquid or solid CO2 into the free tube cross-section, and of applying the liquid or solid CO2 onto the inner tube wall to remove the contaminant therefrom.

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Patent Owner(s)

Patent OwnerAddress
SANDVIK MATERIALS TECHNOLOGY DEUTSCHLAND GMBH40549 DÜSSELDORF

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frobose, Thomas Versmold, DE 13 18
Rauffmann, Udo Werther, DE 13 15

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