F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/18 (2006.01) F16L 21/02 (2006.01) F16L 55/17 (2006.01)
Patent
CA 2623005
Method for joining together steel pipes for conveying fluids under pressure, characterized by the following steps: a) identifying a pipe section to be replaced and intercepting, by means of the creation of suitable points for fastening stopper systems, the fluid flow inside the pipe upstream and downstream of this pipe section; b) after the fluid flow has been intercepted, removing the pipe section to be replaced so as to obtain upstream and downstream thereof two pipe sections; c) inserting along each pipe section protective stopper means, chamfering the edges of the sections and then mounting a sliding sleeve provided with sealing means; d) removing the protective stoppers from the pipe sections and positioning between them a new connection piece, such as a pipe section, a branch-off piece, a valve or the like; e) displacing the sliding sleeves on these pipe sections so that the sealing means are arranged on the new connection piece; f) fixing these sliding sleeves to these pipe sections and to this connection piece.
Gallerani Diego
Volta Franco
Hera S.p.a.
Marks & Clerk
LandOfFree
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