Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1921)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 229
Fig, 365. Pipe Core Set in Mold of the core box can now be retiu-ned to its first position, leaving thecope half of the core resting on the drag itself. The complete … Fig. 366. Start of Core Box core can then be drawn from the core box—lifting it by the arborextensions—and placed directly in the mold. The flask ends shouldbe notched to receive the arbor extensions, as illustrated in Fig. 365. PATTERN MAKING 211 Core-Box Construction. Several methods of…
Patternmaking
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