Method and apparatus for coating pipes

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United States of America Patent

PATENT NO 8932681
SERIAL NO

13846085

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Method and apparatus for coating a pipe or a pipe section with a layer of at least one polymer. The method includes providing the pipe or the pipe section having an outer surface defining the periphery of the pipe or the pipe section; applying on the outer surface of the pipe or pipe section a layer of at least one polymer material in melt stage using a nozzle, which is mounted on a carriage capable of travelling along the periphery of the pipe or the pipe section; and moving the carriage along at least a part of the periphery during the application of the polymer material to form a layer on the surface of the pipe or the pipe section that is particularly useful for coating field joints in pipelines.

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Patent Owner(s)

Patent OwnerAddress
CRTS GLOBAL LLC1807 N 170TH E AVE TULSA OK 74116

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leiden, Leif Andersboele, FI 14 62
Sjoberg, Sven Vasa, FI 4 22
Smatt, Rauno Toijala, FI 1 10

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