Deformable sleeve for a pinch valve

Details Deformable sleeve for a pinch valve Deformable sleeve for a pinch valve

1984-06-27

1985-06-18

Schwadron, Martin P.

Valves and valve actuation

Tube compressors

251 7, 251 8, 138109, F16L 5514

Patent

active

045237387

ABSTRACT:
A deformable sleeve for a pinch valve includes an inner tubular body of elastically deformable material which is provided with flanges at its axial ends, and a mesh element having a tubular portion which surrounds the tubular body between the flanges and prevents the same from bulging out under the influence of internal pressure. The mesh element further has anchoring portions which are anchored to the flanges. The anchoring portions can either be connected to the faces of the flanges which face one another, or embedded in the material of the flanges, either directly, or by being connected, such as clamped between or welded to, anchoring rings which are embedded in the material of the flanges. The anchoring rings may be polygonal, especially rectangular or L-shaped in radial section, or circular or similarly curved in radial section. The mesh element may advantageously be of stainless steel mesh. It may be vulcanized to the elastically deformable material, or a web or sheet of synthetic plastic material acting as a separator may be interposed between the mesh element and the tubular body to prevent damage to the latter.

REFERENCES:
patent: 2716575 (1955-08-01), Vickers
patent: 4172580 (1979-10-01), Raftis et al.
patent: 4196464 (1980-04-01), Russell
patent: 4234019 (1980-11-01), Horner et al.
patent: 4325413 (1982-04-01), Lenhart et al.
patent: 4412554 (1983-11-01), Chow

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