Method of making seam free welded pipe

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United States of America Patent

PATENT NO 6103027
SERIAL NO

08968642

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for forming a cylindrical pipe from a welded metal pipe stock by roll extruding and annealing whereby the weldment microstructure forming the seam is essentially reformed to provide a recrystallized grain structure which is substantially homogeneous with the parent material of the pipe stock.

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Patent Owner(s)

  • KAISER AEROSPACE AND ELECTRONICS CORPORATION;PCC ROLLMET, INC. (FORMERLY KNOWN AS ROLLMET, INC.)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dosdourian, Michael J Whittier, CA 1 4
Glasier, Jr Louis F Anaheim, CA 1 4

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