Packing gland

Details Packing gland Packing gland

1976-06-01

1977-08-02

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1518

Patent

active

040391981

ABSTRACT:
A packing gland assembly providing separate tightening of a packing seal in both the axial and radial directions. Tightening of the packing seal in the aforesaid directions is provided by a pair of concentric sleeves mounted about a shaft wherein the latter may experience either rotational or axial movement or both with respect to a housing surrounding the shaft. The packing seal is disposed on the shaft with one of its axial end faces abutting the housing with the other of its end faces abutting the inner sleeve. With the inner sleeve being selectively positioned in an axial direction, the axial pressure on the packing seal can be adjusted. In addition, a segmented ring is provided to encompass the packing seal to urge the latter into radial engagement with the shaft. The outer surface of the segmented ring is beveled to engage the outer sleeve in a wedge type of manner so that upon selected axial movement of the outer sleeve, the segmented ring adjustably tightens the packing seal against the shaft.

REFERENCES:
patent: 326574 (1885-09-01), Mars
patent: 774402 (1904-11-01), Swain

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