Pipes and tubular conduits – Flexible – Spirally wound material
Patent
1996-07-03
1998-07-14
Brinson, Patrick F.
Pipes and tubular conduits
Flexible
Spirally wound material
138132, 138133, 138129, 138127, F16L 1111
Patent
active
057789410
ABSTRACT:
A cleaner hose includes a synthetic resin pipe and four reinforcing hard steel wires disposed spirally, at predetermined intervals, in the synthetic resin pipe wall. The reinforcing hard steel wires are coated wires which are coated with synthetic resin. The pipe wall includes inner and outer layers in which an under wound tape and an upper wound tape are spirally wound while being displaced by half pitch from each other.
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Brinson Patrick F.
Totaku Industries, Inc.
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