Receptacles – Arrangements of plural receptacles – Receptacle having rigid – removable inner container
Patent
1988-08-15
1989-09-26
Chambers, A. Michael
Receptacles
Arrangements of plural receptacles
Receptacle having rigid, removable inner container
266230, 266275, 222598, B65D 124
Patent
active
048693880
ABSTRACT:
A metal treatment vessel having an inlet for the successive introduction of reactive additive and molten metal to be treated, a reaction chamber downstream of the flow of molten metal for successive receipt of the additive and the molten metal and an outlet downstream of the flow of metal in the reaction chamber; the inlet being provided with means for directing the additive and molten metal into the reaction chamber, the dimensions of the inlet to the reaction chamber and the outlet therefrom being such that in operation the molten metal rises in an overhead space provided in the reaction chamber to cover the additive and to seal off the inlet.
Retaining means may be provided within the reaction chamber to retain the additive against the flow of molten metal. The inlet at the point of entry into the chamber is preferably at an angle to the vertical whereby the additive and molten metal are deflected into the reaction chamber. There is also provided a method for the treatment of a metal with a reactive additive which comprises introducing the additive into a closed reaction vessel at an angle to the vertical, the vessel having an inlet and an outlet, and a free overhead space, the outlet from the vessel being of smaller area than the inlet, retaining the additive in the vessel, introducing molten metal to be treated also at an angle to the vertical whereby it reacts with the retained additive and allowing the treated metal to run from the reaction vessel, optionally after retaining the treated metal in the reaction chamber for a predetermined period of time.
Chambers A. Michael
Materials and Methods Limited
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