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 215
Fig. 337, Core Box for Stripping Plate out the stock at J. This recess J can also be made with a dry-sand core if it is desired not to weaken the pattern as suggestedabove. 196 PATTERN MAKING … Core-pHntFig. 338. Master Pattern for Cover Skeleton Core Box, The stripping plate for the drag machineis illustrated in Fig. 336, and the core box in Fig. 337. As this construction is largelyrepetition, the cutsshould explain them-selves. This skeletoncore box, however, hasone new feature; it…
Patternmaking
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