Pollution inhibitor packing nut

Details Pollution inhibitor packing nut Pollution inhibitor packing nut

1984-03-29

1985-11-19

Smith, Leonard E.

Lubrication

Lubricators

Belt, cable, chain or conveyor

15210B, 175 84, A47L 2500, F16N 3102

Patent

active

045536376

ABSTRACT:
A wireline cleaning unit which replaces a conventional packing nut. A housing is sealed around a packing nut by O-rings to define an annular chamber between the housing and the exterior of the packing nut. Fluid communication between the longitudinal bore of the packing nut and the annular chamber is provided by radially extending bores through the packing nut. A line wiper disposed in the longitudinal bore of the packing nut wipes excess fluid off the line, the fluid then flowing down the longitudinal bore and through the radial drain ports into the annular chamber. The annular chamber in the outer housing is provided with a drain port and hose adapter for draining the collected fluid to a proper container.

REFERENCES:
patent: Re29493 (1977-12-01), Crump
patent: 1773137 (1930-08-01), Fuller et al.
patent: 2096882 (1937-10-01), Chernosky
patent: 2264600 (1941-12-01), Webb
patent: 4018303 (1977-04-01), White et al.
patent: 4169427 (1919-10-01), Crump et al.
patent: 4498558 (1985-02-01), Bendaham

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