FLEXIBLE PIPE BODY AND METHOD
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United States of America Patent
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Issued Date -
Nov 20, 2014
app pub date -
Dec 11, 2012
filing date -
Dec 29, 2011
priority date (Note) -
Abandoned
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Abstract
Flexible pipe body and method of manufacturing a flexible pipe body, the pipe body including a tubular layer (304) of corrugated material for forming a collapse resistant layer, wherein a radially outer surface of the layer has alternately repeating grooves (318) and ridges (316), and a radially inner surface of the layer has respective alternately repeating ridges (320) and grooves (322), and a filler element (310) provided adjacent the grooves of at least one of the radially outer surface and the radially inner surface, such that for the said surface, the filler element substantially fills a void extending between adjacent grooves and ridges, thereby providing a substantially non-undulating surface along the ridges.
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