Extruded buckling-resistant insertion mountable drain or venting

Details Extruded buckling-resistant insertion mountable drain or venting Extruded buckling-resistant insertion mountable drain or venting

1990-08-31

1991-10-29

Coe, Philip R.

Pipes and tubular conduits

Flexible

Corrugated

138115, 138113, 138111, 181271, F16L 918, F16L 1100

Patent

active

050606972

ABSTRACT:
An extruded buckling-resistant longitudinally insertable drain or venting hose of PVC or a similar thermoplastic material which can be mounted in inaccessible hollows of a conveyance, especially a motor vehicle body, has longitudinally-extending radial ribs coextruded with the PVC body and composed preferably of chlorinated polyethylene. As a result, the hose has improved sound-damping properties and can be more readily inserted into place.

REFERENCES:
patent: 1959368 (1934-05-01), Kennedye
patent: 3314449 (1967-04-01), Kvone
patent: 4140154 (1979-02-01), Kanao
patent: 4350547 (1982-09-01), Kanao
patent: 4410012 (1983-10-01), Redding

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