Shaft packing, in particular for use in colloid mill

Details Shaft packing, in particular for use in colloid mill Shaft packing, in particular for use in colloid mill

1977-06-07

1979-10-02

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 22, 277 962, F16J 1534

Patent

active

041696034

ABSTRACT:
The present invention refers to a shaft packing, in particular for use in colloid mill, with a sliding and a counter ring, one of the rings is made of a hard material having a Vickers hardness of at least 1,000 kp/mm2 and the other is made of a soft material having a hardness of 100 Shores at the most. In particular the surfaces in contact with each other are cooled and lubricated by a liquid. In order to further increase the life of said packing, the counter ring is displaceable and adjustable from the outside without being dismantled and the sliding ring holder is provided with centrifugal blades for keeping the material to be milled and milling bodies away from the contact surfaces of said rings. The construction of said shaft packings allows its use in a horizontally arranged colloid mill, wherein the material being milled flows in the direction of the widening cone.

REFERENCES:
patent: 2425209 (1947-08-01), Snyder et al.
patent: 2432684 (1947-12-01), Roshong
patent: 2628852 (1953-02-01), Voytech
patent: 2994547 (1961-08-01), Dollun et al.
patent: 3068014 (1962-12-01), Wilkinson
patent: 3075780 (1963-01-01), Mayer
patent: 3357706 (1967-12-01), Wilkinson
patent: 3391942 (1968-07-01), Wilson
patent: 3391964 (1968-07-01), Miyake
patent: 3515393 (1970-06-01), Metcalfe
patent: 3738667 (1973-06-01), Symons
patent: 3874680 (1975-04-01), Mustol et al.
patent: 3905605 (1975-09-01), Hubner

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