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 74
Fig. 124. Dovetailed Slide Fig. 125. Loose-Piece Pattern 7?3i Aim ;Si \_ Ttir if Fig. 126. Loose Pieces in Mold Many other examples might be given, as the case of the commontwo-flange pulley, which, when small, is often molded in this way. PATTERN MAKING 59 Loose-Piece Patterns. It is frequently… … im efl xzn Fig. 127. Turbine Case overhanging parts aTe fastened loosely to the main part of the pat-tern by wires or wooden pins. An example of such a casting is shownin the slide, Fig. 124. A cross-section of the pattern for this slideis shown in Fig. 125, in which the two overhanging parts are…
Patternmaking
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