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 236
the arrangementshown in Fig. 376. Themold plate d should either bebolted to a sunken plate tohold it down while the pat-tern is drawn, or bedded inconcrete as was done in theequipment here shown. Roll Pattern, The pat-tern is a hollow casting withfour arms cast at each end,and finished all over,… … Fig. 376. Pattern Being Drawn throughStripping Ring 378. This illustration is upside down, and as only one casting is required,too much expense should not be put into its construction. Theupper surface of the casting is to be finished and the recess for thedowel in the lower end of the pattern may…
Patternmaking
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