Apparatus and method for coating pipes or pipe sections
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United States of America Patent
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Nov 17, 2015
Issued Date -
N/A
app pub date -
Sep 16, 2010
filing date -
Sep 17, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an apparatus and method for coating a pipe or a section of a pipe with a polymer layer. The apparatus comprises an applicator for applying polymer melt on the surface of a pipe or pipe section, a roller for pressing the polymer applied by the applicator towards the pipe or pipe section, and means for circumferentially moving the applicator and the roller around the periphery of the pipe or pipe section. According to the invention the apparatus further comprises a drive for rotating the roller as the roller is moving around the periphery of a pipe or pipe section. By means of the invention, higher quality coatings can be applied to field joints of steel pipes, for example.
First Claim
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International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- B05C:APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- B05D:PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
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