Circumferential seal for a vacuum pressure chamber on a metering

Details Circumferential seal for a vacuum pressure chamber on a metering Circumferential seal for a vacuum pressure chamber on a metering

1993-07-23

1995-03-28

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 83, 277173, 111185, F16J 1540

Patent

active

054010357

ABSTRACT:
A circumferential seal for the clearance space or gap between a vacuum pressure chamber formed by a trough-shaped casing and a revolving transporting disk of a metering device for sealing the vacuum pressure chamber, and preferably, it is used for a single-grain sowing machine.

REFERENCES:
patent: 1315822 (1919-09-01), Doran
patent: 2710206 (1955-06-01), Huber
patent: 3057630 (1962-10-01), Sneed
patent: 3990606 (1976-11-01), Gugenhan
patent: 4346903 (1982-08-01), Heiermann
patent: 4614348 (1986-09-01), Fournier
patent: 4664290 (1987-05-01), Martin et al.
patent: 5058766 (1991-10-01), Deckler
patent: 5071318 (1991-12-01), Bice et al.

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