F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/196 (2006.01) B01J 3/03 (2006.01) C10B 25/10 (2006.01) F16J 13/06 (2006.01) F16K 17/06 (2006.01) F17C 13/04 (2006.01)
Patent
CA 2109846
2109846 9319315 PCTABS00025 A closure device for a lower opening of a coke drum pressure vessel (11) is quick acting. The opening has an annular flange (15). An annular movable support (39) encircles the pressure vessel (11) above the flange (15). A stationary support (27) secures to the flange below the movable support (39). A number of coil springs (37) are evenly spaced around the stationary support (27) between the stationary support (27) and the movable support (39). Hydraulic cylinders between the movable and stationary support move the movable support (39) axially relative to the stationary support (27). A head (17) will abut the flange (15). Hooks (41) mounted to the movable support (39) will engage the head (17) and pull the head (17) tightly upward into engagement with the flange (15) when the retracting cylinders are released. Pivotal cylinders (55) will pivot the hooks (41) between engaged and disengaged positions. The bias of the springs (37) is independently adjustable.
Fruchtbaum Joseph
Smith John Douglas
Abb Vetco Gray Inc.
The M.w. Kellogg Company
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