Pinch valve sleeve construction

Details Pinch valve sleeve construction Pinch valve sleeve construction

F - Mech Eng,Light,Heat,Weapons

16

K

251/1

F16K 7/04 (2006.01) F16K 7/07 (2006.01)

Patent

CA 1041069

ABSTRACT OF THE DISCLOSURE An open ended sleeve for a pinch valve is disclosed. The sleeve has a resilient tubular body member with an elastomeric liner forming a smooth tubular inner wall. A number of circumferential fabric layers surround the liner and are bonded thereto extending along the full length of the body member, a gum layer surrounds the fabric layer and a mounting flange is provided at each end of the body member, each mounting flange has a rigid annular ring therein having a cross section with rounded corners, the ring having an end face perpendicular to the longitudinal axis of the body and a sloped outer face tapered inward from the end of the sleeve. Fabric layers extend around and are bonded to only the outer face and end face of the ring, thus separation between the fabric layers and the ring does not occur when the sleeve collapses.

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