Method for the continuous manufacture of metal-plated steel tubes by molten plating treatment
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United States of America Patent
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Oct 12, 1993
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N/A
app pub date -
Jun 24, 1992
filing date -
Jun 24, 1992
priority date (Note) -
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Abstract
Steel strip (1) is cleaned by shot blast machine (3) and its upper surface is coated with zinc in molten plating device (4). The strip is formed by roll forming machine (6) into a tube and the outer surface of the tube is coated by plating device (11).
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