Patent ID: 11858033
Assignee: J.H. FLETCHER & CO.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B

Claim 33:
34. A system for installing a porous plug in a port of a metallurgic ladle, the system comprising:
a mast configured for selectively securing and transporting the porous plug to and from the metallurgic ladle, the mast configured for rotating the porous plug while the mast remains stationary;
wherein the mast is positionable relative to an extendable boom, wherein the boom is rotatable at a first end about a vertical axis and pivotable up and/or down at the first end, and the mast is coupled to a second end of the boom and rotatable about multiple axes to maintain the mast in alignment with the ladle while the boom is rotated and/or pivoted.