Handling foundry materials
OwnerCharles M. G. Wallworkinventor
Life of this patent
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Abstract
In a rotatable shake-out drum designed to receive refractory moulds containing hot metal castings and to break them up, cooling water is fed to the drum in synchronization with the feeding of moulds to the drum so that the quantity of water fed into the drum varies with the rate of delivery of moulds into the drum.
Claims5
In a foundry moulding installation including a rotatable shake-out drum adapted to receive refractory moulds containing hot metal castings and to break them up, means for feeding moulds intermittently to the drum, and means for delivering cooling water to the interior of the drum, the improvement wherein said water delivery means comprises a reciprocating variable stroke pump, and means responsive to the operation of said intermittent feeding means for starting and stopping said pump in synchronism with the starting and stopping of said feeding means whereby said pump is capable of delivering cooling water to said drum only upon the feeding of moulds into said drum.
Dependencies are inferred from the claim text.