Patent ID: 8272112
Filing Date: 2012-09-25
Classification: F16L,Y10T

Abstract:
1. A tool set for the introduction of a flow-monitoring device jacketed by a sheath, into a fluid piping, the flow-monitoring device comprising a hollow body provided with an upstream end and a downstream end, a valve integrated with the hollow body and designed to close in response to an excessive fluid flow rate through the piping, a cup-type seal member arranged at the downstream end of the hollow body, and a plurality of elastic legs connected to the hollow body between the upstream and downstream ends of the hollow body, wherein the elastic legs are designed to distend elastically with their free ends facing towards the downstream end of the hollow body once the device is set in the piping, wherein the seal member and the elastic legs become radially folded and elastically stressed after the device is introduced into the sheath, wherein the tool set comprises at least three tools, a first tool comprising a bushing and an ejecting pusher, the bushing being dimensioned to receive the flow-monitoring device introduced from its upstream end and to house, with the exception of the cup-type seal, the flow-monitoring device in a position where said elastic legs are folded, the pusher being slidingly mounted with respect to the bushing to make it possible to eject the device at least partially out of the bushing; a third tool comprising a cylinder and a centering piston slidable in said cylinder, the centering piston being elastically biased by a pre-stressed spring towards an idle position in which said centering piston partially extends out of the cylinder, and being dimensioned to function as, in the idle position, an inner guide for the sheath which is introduced into the cylinder up to an inner stopper of this the cylinder; a second tool which is shaped like a funnel and comprises two symmetrical half-shells, the second tool having an inlet stack adapted to at least partially receive the bushing, an outlet stack dimensioned to at least partially receive the sheath and to be partially introduced into the cylinder, and a radially tapering area which connects the inlet stack to the outlet stack.