B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/89
B22D 29/00 (2006.01)
Patent
CA 1129171
D-2,608 C-3,044 Abstract of the Disclosure An acoustically enclosed apparatus for shaking out sand-cores from metal castings. A plurality of percussive shakeout stations are spaced around the circumference of a turntable. The stations are separated one from the other and from their surroundings by an acoustical enclosure which rotates with the turntable and within a stationary enclosure. The castings are loaded and unloaded through outwardly facing access openings in the rotatable enclosure as they become registered with an access port in the stationary enclosure. Shaking out is effected while the access openings are out of registry with the access port. The sand collector beneath the stations attentuates the sound emitted from beneath the station.
336494
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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