Slide gate and seals therefor

Details Slide gate and seals therefor Slide gate and seals therefor

1987-12-11

1989-07-18

Corbin, David H.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405104, E02B 728, E02B 754

Patent

active

048489620

ABSTRACT:
A slide gate has a frame assembly with a pair of side guides, a bottom member and a top member that define an opening through which fluid flows. A movable slide plate is mounted to the frame assembly and constrained for movement between unblocking and blocking positions for regulating fluid flow through the opening. A side seal, which is seated within each side guide of the frame assembly, has a lip seal portion and bulbous portion, the side margins of the slide plate being received in sealing engagement between the lip seal portion and the bulbous portion. A bottom seal, which is seated in the bottom member, has a flat sealing surface which is in sealing contact with the bottom of the slide plate when the gate is closed. An adjustable lip seal, which is seated in the top member, is in sealing contact with the slide plate.

REFERENCES:
patent: 2889684 (1959-06-01), Abrahams
patent: 4226553 (1980-10-01), Whipps et al.
patent: 4524950 (1985-06-01), Vitas et al.
patent: 4700927 (1987-10-01), Henderson
patent: 4726709 (1988-02-01), Labelle

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