Pipes and tubular conduits – Flexible – Corrugated
Patent
1997-02-18
1998-12-15
Brinson, Patrick F.
Pipes and tubular conduits
Flexible
Corrugated
138137, 138140, 138141, 138131, F16L 1111
Patent
active
058486186
ABSTRACT:
The disclosure relates to a composite tubing comprising a convoluted tubular core having coextruded inner and outer plastics layers providing a composite tube having a smooth inner bore and a smooth outer surface.
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