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 239
Fig. 381. Cope Mold on Mold Plate Flask Construction. Cheek. The pattern for the flask willbe molded by striking a green-sand core, lagging this to obtain the 220 PATTERN MAKING … Fig. 382. Pattern for Centering Ring thickness, and molding the lower flange with a dry-sand core, andthe upper flange with loose segment pattern bedded in. Whereiron pulley-rim or similar patterns are available, they may be used for the flask patternwithout much expense.Allow a metal finish onthe…
Patternmaking
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