Metal founding – Means to apply vacuum directly to work or to hold or... – Means applying vacuum or suction directly to molten casting...
Patent
1976-11-22
1978-09-12
Husar, Francis S.
Metal founding
Means to apply vacuum directly to work or to hold or...
Means applying vacuum or suction directly to molten casting...
164327, 164364, B22D 2716, B22D 502
Patent
active
041130014
ABSTRACT:
Moulding apparatus comprises a mould box support structure having spaced support members for receiving and supporting lug members formed at opposite ends of a mould box. The mould box is formed in two separable parts each incorporating at opposite ends thereof a lug member having a substantially semi-circular outside profile so that when the mould box parts are abutted the lug members of one box part register with the lug members of the other box part to provide a substantially circular surface which acts as a bearing for the mould box so that the box can be rotated on the support structure for convenience of handling. In one form the mould box is for use with the V-Process of moulding and suction is applied to the chambers within the walls of the mould box parts via conduits extending through the lug members of respective box parts. In one form the support structure includes a circular table which is indexed so that a mould box is sequentially processed through several processing stations.
REFERENCES:
patent: 783577 (1905-02-01), Haggenjos
patent: 1255466 (1918-02-01), Ryan
patent: 2012478 (1935-08-01), Oyster et al.
patent: 2085690 (1937-06-01), Wallace
patent: 2623252 (1952-12-01), Miller
patent: 2726429 (1955-12-01), Duncan
patent: 3397737 (1968-08-01), Tuttle
patent: 3970139 (1976-07-01), Grolla
Brown John S.
Husar Francis S.
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