B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/18
B23P 19/00 (2006.01) B23P 21/00 (2006.01) F16K 1/22 (2006.01)
Patent
CA 1122386
ABSTRACT OF THE DISCLOSURE A method for installing an adjustable flow restricting valve member in a tubular pipe, and a valve device for utili- zation of the method, including the step of cutting a slot extending in the longitudinal direction of the tubular pipe, inserting a mainly plane valve member through said slot , said valve member being arranged with a stem extending through the slot and faciliating a rotary movement of the valve member from a position corresponding with the length axis of the tubular pipe to a position in contact with the internal wall surface of the tubular pipe, said stem also extending through a member arranged to prevent communication between a medium within the pipe and the outside atmosphere.
327182
Marks & Clerk
Wallberg Kurt-Ake
LandOfFree
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