Method and apparatus for manufacturing a pipe from pipe segments
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United States of America Patent
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Jun 22, 2010
Grant Date -
Sep 11, 2008
app pub date -
Sep 28, 2007
filing date -
Mar 6, 2007
priority date (Note) -
Expired
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Abstract
A method for assembling a corrugated double-walled pipe section from pipe segments, having the steps of: providing an inner wall segment which is curved in circumferential direction and straight in longitudinal direction, providing an outer wall segment which is curved in circumferential direction and corrugated in longitudinal direction, connecting the inner wall segment to the concave side of said corrugated outer wall segment, providing a longitudinal profile at the longitudinally extending edges of the wall segment so as to provide a pipe segment, and connecting the adjoining longitudinal profiles of at least two of the pipe segments to each other.
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