Pipes and tubular conduits – Flexible – Corrugated
Patent
1991-11-14
1994-04-26
Gerrity, Stephen F.
Pipes and tubular conduits
Flexible
Corrugated
138118, 138110, 138172, 138173, F16L 1111
Patent
active
053058003
ABSTRACT:
Flexible hose or tube comprises a hose body and a plurality of ribs extending radially outwardly from the outer periphery of the hose body. The ribs are of annular shape and are axially spaced with respect to each other. The hose body wall is of relatively small thickness as compared to the thickness of the ribs. The hose may be integrally made from a thermoplastic caoutschuc or rubber and exhibits a high degree of flexibility due to its relative softness, while the shape and structure of the ribs provide a high degree of resistance against lateral bending or buckling of the tube.
REFERENCES:
patent: D307174 (1990-04-01), Bjorkman et al.
patent: 2406838 (1946-09-01), Kepler
patent: 3858615 (1975-01-01), Weigl
patent: 3891007 (1975-06-01), Kleykamp
patent: 3946343 (1976-03-01), Vilkaitis
patent: 3993060 (1976-11-01), Mitchell
patent: 4079757 (1978-03-01), Fischer et al.
patent: 4690174 (1987-09-01), Jarvenkyla 138121
Gerrity Stephen F.
Hook James F.
ITW-ATECO GmbH
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