Pinching gate valve

Details Pinching gate valve Pinching gate valve

1991-10-02

1992-10-27

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Chamber seals

34 16, F26B 2500

Patent

active

051578514

ABSTRACT:
A pinching gate valve for isolating the inside of a vacuum chamber equipped with a slot for passageway of a continuous substrate web therethrough. The pinching gate valve contains three components: a base plate having two inclined first sealing surfaces surrounding a substrate slot; a pair of mating jaws mounted for reciprocal movement toward and away from each other, each of said jaws including an inclined, second sealing surface for mating engagement with one of the first sealing surfaces, and a flat clamping surface for engagement with a surface of the substrate web; and means for reciprocating the jaws from a first, open position, to a second, clamping position.

REFERENCES:
patent: 4462332 (1984-07-01), Nath et al.
patent: 4480585 (1984-11-01), Gattuso
patent: 4545136 (1985-10-01), Izu et al.
patent: 4874631 (1989-10-01), Jacobson et al.

Affiliated with

Also associated with

Rating

Pinching gate valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pinching gate valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pinching gate valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-898751