Pipes and tubular conduits – Flexible – Corrugated
Patent
1994-05-20
1995-08-08
Scherbel, David A.
Pipes and tubular conduits
Flexible
Corrugated
138173, 138177, F16L 906
Patent
active
054390354
ABSTRACT:
A hose including a number of circumferential corrugations substantially parallel to one another when the hose is unbent, separated by grooves, and connected in a longitudinal direction by ribs, so that each corrugation is connected to at least one adjacent corrugation. The ribs form at least two groups of angularly-offset ribs, and the ribs in the first group alternate with the ribs in the second group.
REFERENCES:
patent: 3578777 (1971-05-01), DeGain
patent: 3605817 (1971-09-01), Bauman et al.
patent: 3802202 (1974-04-01), Maroschak
patent: 4592231 (1986-06-01), Kant
patent: 4877224 (1989-10-01), Watts
patent: 4950103 (1990-08-01), Justice
Brinson Patrick F.
Fabbrica Italiana Serrature Torino S.p.A.
Scherbel David A.
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