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 142
in Fig. 218, and the core print must have a length at least twice asgreat as the depth of the hole in the chuck. The core box is shownin Fig. 219. Deep Flanges. When pipes or cylinders are of moderate size,with deep flanges for bolting together, Fig. 220, the flanges for thepattern are turned out… … Fig. 220. Flange Pipe Pattern cient length to receive the flange. A recess is sometimes turned inthe inside, end of the core print to receive the inner edge of the flange,
Patternmaking
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