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1. (WO2017197513) SLEEVE FOR USE IN A PINCH VALVE

Pub. No.:    WO/2017/197513    International Application No.:    PCT/CA2017/050590
Publication Date: Fri Nov 24 00:59:59 CET 2017 International Filing Date: Wed May 17 01:59:59 CEST 2017
IPC: F16K 7/04
Applicants: PROTO FUSION, INC.
Inventors: ST-LAURENT, Patrice
Title: SLEEVE FOR USE IN A PINCH VALVE
Abstract:
A sleeve for use in a pinch valve, the sleeve comprising a resilient and at least substantially tubular element having opposite ends and capable of being compressed for reducing or restricting a flow therethrough; a pair of annular end flanges, each annular end flange being mounted on each of the opposite ends and extending radially outwardly from the tubular element for sealingly engaging a valve rim; a pair of annular grooves, each of the annular grooves being defined between the annular end flange and an annular projection, the annular projection extending radially outwardly from the tubular element, and a pair of annular railings inserted within the annular grooves, the annular railings being dimensioned for receiving a valve flange for retaining engagement therewith and comprising a railing base having an innermost diameter and an outermost diameter, the outermost diameter being greater than an outermost diameter of a section of the tubular element adjacent to the annular projection.