Closure device for a liquid-carrying pipe

Details Closure device for a liquid-carrying pipe Closure device for a liquid-carrying pipe

1985-07-26

1986-04-08

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

With positive reduction

251161, 251162, 251174, 251188, F16K 2500

Patent

active

045807620

ABSTRACT:
The device comprises a body (1) provided with two coaxial circular openings (3, 4) for connecting two sections of pipe, wherein each opening has an oblique seat (5, 6) receiving a wedge formed of two counter-seats (9, 10), a spherical ball (11) and a cage (12) in which the ball carries elastic means (23) which exert a pressure from said wedge on its seats (5, 6), and a rod (26) enabling said wedge to be unwedged, said ball being provided with a rotation shaft (13) and springs (18) enabling the counter-seats to be detached from the ball in the unwedged position of the wedge.

REFERENCES:
patent: 3134396 (1964-05-01), Bredtschneider
patent: 3150681 (1964-09-01), Hansen
patent: 3273852 (1966-09-01), Ripert
patent: 3920036 (1975-11-01), Westenrieder

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