Packing for piston and valve machine

Details Packing for piston and valve machine Packing for piston and valve machine

1991-06-21

1992-09-08

Smith, Leonard E.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

92165R, 92168, 277125, 277136, 277195, F04B 2100, B65D 5300, B67D 5378

Patent

active

051453401

ABSTRACT:
A packing is disclosed for piston and valve machine, an annular metal body (20) intended to be immobilized in the first recess by a clamping nut and, in its internal pheripheral face (24), an annular second recess (25), a gasket holding and stress ring (27) disposed in the second recess while being immobilized against the bottom thereof, a gasket (28) formed by at least two packing rings (29) split over the whole of their axial length and over their thickness, side by side, deformable radially and not axially and whose radial thickness is greater than the measurement complementary to the thickness of the ring to equalize the depth of the second recess, and a stop ring (35) in abutment againt the bottom of the second recess, on which the gasket bears.

REFERENCES:
patent: 410918 (1889-09-01), Philper
patent: 3940151 (1976-02-01), Phillips
patent: 4540186 (1985-09-01), Beidler

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