F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/113
F27D 3/14 (2006.01) B22D 41/56 (2006.01)
Patent
CA 1141955
ABSTRACT A shroud support or tube holder is disclosed for use with a teeming vessel having a gate valve. In the instance disclosed, the gate valve is a sliding valve, and the shroud is positioned by means of a boom in pour tube relationship with the nozzle of the valve. The boom is pivotally mounted for rotation in a horizontal plane, and axially slidable for elevation and lowering. The boom is urged upwardly by means of a dead weight system which, when translated to the length of the boom to a shroud holder, permits the shroud to be engaged with the pour tube portion of the vessel at a predetermined load. The means for pivoting the shroud or tube for removal from the vessel which is being filled has a locked position to lock the shroud against lateral movement which can multiply the internal forces and crack the internal nozzle, and yet can be pivoted at an angle for easy removal from the vessel. The method contemplates positioning a shroud against the lower portion of a pour vessel and secured in place by means of prede- termined dead weights. In addition, the method seeks to inhibit any lateral or multiplied force loads on the nozzle by means of locking the shroud in a coaxial pour relationship with the nozzle of the vessel.
362342
Flo-Con Systems Inc.
Johnson Douglas S. Q.c.
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