Process for the manufacture of hose or tubing with a high resist

Details Process for the manufacture of hose or tubing with a high resist Process for the manufacture of hose or tubing with a high resist

1986-02-26

1988-02-02

Spruill, Robert L.

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 54, 138127, 138133, 138DIG5, 29446, B21D 2602

Patent

active

047222107

ABSTRACT:
A process for the manufacture of hose or tubing conditions plastic high pressure hose having at least one reinforcing layer of steel wires, cords or longitudinal segments thereof. The hose is internally pressurized for a predetermined period of time which provides a residual permanent elongation of at least 0.5% and increases the interior volume by at least 2% upon release of the pressure.

REFERENCES:
patent: 3463197 (1969-08-01), Slade
patent: 3725167 (1973-04-01), Love et al.
patent: 3880195 (1975-04-01), Goodrich et al.
patent: 4567917 (1986-02-01), Millard
"Cylindrical Metal Pressure Bodies . . . ", Denoor and Tascher, 11/1970, pp. 877-879.

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