Pouring tube structure and assembly
Patent 5919392 Issued on July 6, 1999. Estimated Expiration Date: 
December 17, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 17, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3054155 3279003 3322186 3508615 Bush for directing a stream of molten metal into a mold Patent #: 5310098 InventorsAssigneeApplicationNo. 992275 filed on 12/17/1997US Classes:222/606, With subjacent flow guide164/337Having flow control or conduit means intermediate the receptacle and moldExaminersPrimary: Kastler, ScottAttorney, Agent or FirmInternational ClassB22D 035/00AbstractIn a bottom-pouring casting apparatus having a holding tank, a ladle in the tank and a tank cover, which seals the ladle in the tank, a pouring tube and holding casting are disclosed for mounting on and through the tank cover to provide the pouring tube in the molten metal of the ladle, which tube and holding casting are have similarly tapered outer and inner walls for mating at assembly thereby utilizing gravity and mechanical pressure on the tube holding assembly to more tightly secure the tube agains the holding casting to avoid driving the tube from the holding casting and rendering it inoperable. | |
