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 (1916)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 230
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… … Fig. 367- Pattern Assembled on False Cope Ready for Ramming Cope Mold method of constructing the pattern should be used, provided theresults are accurate. A nailed and glued pattern using a green-sandcore for molding the inside would produce the smoothest casting,Fig. 366. The pattern, however,…
Patternmaking
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