Zinc coating-forming method for drawing of metallic pipes

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United States of America

PATENT NO 10577702
APP PUB NO 20180127889A1
SERIAL NO

15802503

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Abstract

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The present invention provides a zinc coating-forming method for drawing of metallic pipes, including a degreasing step of degreasing a material to be drawn, which is composed of any one of aluminum, an aluminum alloy, copper, and a copper alloy; a first oxidation step of forming an oxide coating on a surface of the material to be drawn, which has been degreased in the degreasing step; and a second oxidation step of forming a zinc coating on the material to be drawn, which has been coated with an oxide.

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Patent Owner(s)

Patent OwnerAddress
HAN SUNG MINUTENESS STEEL PIPE CO LTD46-21 JANGGIGONGDAN 1-GIL DAEGAYA-EUP GORYEONG-GUN GYEONGSANGBUK-DO 40142

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yune, Chan Sic Daegu, KR 1 0

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