Dynamic sealing device for high-temperature and high-pressure op

Details Dynamic sealing device for high-temperature and high-pressure op Dynamic sealing device for high-temperature and high-pressure op

1974-04-04

1977-01-25

Rothberg, Samuel B.

Metal deforming

By extruding through orifice

277170, B21C 2300

Patent

active

040044432

ABSTRACT:
A pressure-tight assembly which can constitute a dummy block for an extension ram is made up of two coaxial components arranged in spaced relation to accommodate at least one peripheral seal. One component has a small flat bearing surface extending at right angles to the axis and the other component has a bearing surface which is inclined to the axis. The resultant of the forces exerted on the seal which is imprisoned between said bearing surfaces causes preferential creep deformation of the seal towards the exterior of the assembly.

REFERENCES:
patent: 1862981 (1932-06-01), Rabezzana
patent: 3150889 (1964-09-01), Watts
patent: 3169455 (1965-02-01), Hoffman
patent: 3285631 (1966-11-01), Stozpman
patent: 3459369 (1969-08-01), Marks

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