is almost universal the mold lifted off. The patterns are cleaned by a operation and its action is positive. The operator sets practice in the formation of sand molds to fill the an iron flask on the flask frame so as to engage the jet of air through pressure hose. loose sand into the flask upon an… … Fig. 2.—Side View of the Machine With Flasks Removed Fig. 1.—"View Showing Yoke Swung Forward, the Drag Pattern, head of the formed by this and Cope Pattern Ready for Operations. and Sand Frame Held by Magnets. liquid metal method. It has above, but, by A MULTIPLE MOLDING MACHINE. therefore been a…
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