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 202
Fig. 309. Original Gated Patterns, Showing First Attempt to Increase Produc-tion. They Require Dry-Sand Core for Each Casting. With Machine-Mounted Patterns-, Entire Mold Is Made in Green Sand … Fig. 310. Nowel or Drag Stripping-PJate Hand-RammedMolding Machine endwise onto the holder frame, as indicated in Fig. 308, the bevelon the inside of the lugs o being molded with a dry-sand core, andtfye round recesses in the holder also being molded with a dry-sand 184 PATTERN MAKING core. The…
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
