B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/29
B22C 15/30 (2006.01)
Patent
CA 1221811
Abstract A mold forming machine including a generally vertically extending frame having upper and lower ends. A horizontal conveyor extends through the frame interme- diate the ends and that part of the conveyor within the frame cooperates with the frame defining a flask receiv- ing station. A plurality of compacting heads are mounted on the frame above the flask receiving station for gen- erally vertical movement toward and into and away from and out of the flask receiving station. A vibrating system including at least one anvil and at least one vibration generating member. The anvil is located at the lower side of the flask receiving station and is disposed to engage an object in the flask receiving station such as a flask or a pattern carrier or the like. The vibra- tion generating member is operatively driven in the high frequency range of from about 720 cycles per minute to about 3600 cycles per minute to vibrate the anvil in the vertical direction prior to and during operation of the compactor heads to work the sand into all voids in the pattern prior to compaction by compactor heads to produce high quality rammed flasks which may then be employed to east highly superior castings.
440165
General Kinematics Corporation
Meredith & Finlayson
LandOfFree
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