Flat valve device

Details Flat valve device Flat valve device

2006-05-16

2006-05-16

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

Mechanical movement actuator

Plural motions of valve

C137S223000, C137S234500

Reexamination Certificate

active

07044443

ABSTRACT:
A flat valve device of a smaller size which can complete easy and swift air evacuation, in which the airtightness of a gas-containing structure and the operational safety can be improved, requiring no extra parts.The flat valve device includes a circular frame member3to be mounted on the opening of a gas-containing structure2, a round body member4to be removably screwed to the inner peripheral surface4dof the circular frame member3, and a valve6provided in a valve accommodating space of the round body member4. The round body member4is provided with an outward-facing through hole4eand an inward-facing through hole4f, while the valve6includes a sealing cover6aand an energizing member6b. The round body member4has a circular recess4band a rotating cover5to be rotatably pressed thereon, and the outward-facing through hole4eis prepared off the center of the circular recess4b, and the rotating cover5includes a gas injection hole5bwith the degree of eccentricity identical to that of the outward-facing through hole4e.

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