F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 13/08 (2006.01) F16J 13/10 (2006.01) F16J 13/20 (2006.01)
Patent
CA 2582870
This invention relates to a closing system for pressurised pipes, of the type comprising an annular supporting structure (1), designed to be welded or secured to one end of the pipe, a closing hatch (2) mounted on said annular support, and means designed to lock said hatch in the closing position, said means consisting of a locking ring (7) inserted into an annular cavity (8) in said support (1) to lock the hatch, wherein the inside edge (17) of said hatch is tapered to form an inclined wall designed to couple to a corresponding inclined wall in said annular support. Said collapsible ring (7) consists of a number of sectors, one of which (9) is fixed and integral with the hatch (2), while the others are hinged to the adjacent sectors, so that they can rotate on a plane parallel with the hatch (2) until they exit from said annular seating (8) and allow the hatch to open. These characteristics enable the hatch to be opened and closed simply by rotating it around a hinge, with no need for a combined movement consisting of a traverse along the axis followed by rotation, as in other known systems.
Fulgosi Giovanni Di Cerri Corrado & C.s.n.c.
Robic
LandOfFree
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