Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. (1905)
Hand, L. H. (Louis Henry), b. 1854 · Chicago, F. J. Drake & co. · leaf 32
oors, fire-backs, etc. In these cases the flasks are spe-cially designed with a view to performing the work withthe least possible amount of labor by the moulder. Thereare a great many devices for holding the flasks in posi-tion, and some very ingenious patented hinges, clamps,etc.; but most… … The cope should then be turned over, the followboard removed and the drag placed in positionand rammed up. Then the flask (cope and (cope and drag). This clamp is slipped on the flask andthen crowded into a slightly diagonal position with ashort bar or chisel, used as a pry, and which holds…
Patternmaking · Founding
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