Pipes and tubular conduits – Flexible – Corrugated
Patent
1980-02-19
1981-10-20
Little, Willis
Pipes and tubular conduits
Flexible
Corrugated
138125, 138131, 138132, 138174, F16L 1100, F16L 900
Patent
active
042954967
ABSTRACT:
A hose is described having the usual elongated polymeric body and a coiled insert member formed of a plurality of turns contained within the internal passageway of the hose. The hose body has a normal tendency to swell under elevated temperatures or pressure whereby the coiled insert member may shift axially. This problem is solved by application of a filamentary band of expansion resistant material extending circumferentially about the hose body, which prevents enlargement of the hose during use at elevated temperatures.
REFERENCES:
patent: 2917568 (1959-12-01), Moorman et al.
patent: 3288170 (1966-11-01), Haren
patent: 3300571 (1967-01-01), Downey et al.
patent: 3755032 (1973-08-01), Higbee
patent: 3889717 (1975-06-01), Obadal et al.
patent: 4091063 (1978-05-01), Logan
Castleman, Jr. Curtis H.
Fink Raymond
Little Willis
Oberg, Jr. H. W.
The Gates Rubber Company
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