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 211
Fig. 329. Cope and Drag Machines for Molding Cover in Fig. 331. The pattern c is shown in position for molding andalso after being drawn. The patterns cc are assembled on thepin P and mounted in the forged yoke or hanger H, which is bolted … Fig. 330. Cope and Drag Machines with Pattern in Position for Molding to the underside of the stripping plate B, The heads of the setscrews which are illustrated on the draw plate A press against the PATTERN MAKING 193 patterns at E, raising the patterns to the desired height. Uponlowering the draw…
Patternmaking
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