Slide valve

Details Slide valve Slide valve

2006-10-03

2006-10-03

Yu, Justine R. (Department: 3751)

Valves and valve actuation

With means to increase head and seat contact pressure

Gate valve

C251S172000, C251S327000

Reexamination Certificate

active

07114702

ABSTRACT:
In a slide valve, especially for coating installations, for fluidic separation of two modules or chambers, interconnected through an opening, containing at least one slide plate, integrated in a housing transfixed by said opening, and which may be bidirectionally moved between an inactive position, releasing said opening, and an operating position, completely covering said opening, and at least a closing drive, which may be activated to act upon said slide plate in its operating position and for its sealing contact in a closed position against a sealing surface transfixing said housing, according to the invention, at least one of said closing drives is firmly attached inside housing, relative to the activating movement of said slide plate.

REFERENCES:
patent: 2732170 (1956-01-01), Shand
patent: 3321176 (1967-05-01), Bolling, Jr.
patent: 3367625 (1968-02-01), Fortune
patent: 3497177 (1970-02-01), Hulsey
patent: 4136710 (1979-01-01), Bond
patent: 4157169 (1979-06-01), Norman
patent: 4292992 (1981-10-01), Bhide'
patent: 4561472 (1985-12-01), Dreyer et al.
patent: 6302372 (2001-10-01), Sauer et al.
patent: 6564818 (2003-05-01), Kroeker et al.
patent: 44 46 946 (2004-12-01), None

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