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 206
Fig. 315, Pattern for Stripping Plate Plate Pattern, The plate is made of narrow strips of stock,glued so as to reverse the heart side of adjoining pieces. It willnot be necessary to spline these patterns, for only one casting is PATTERN MAKING 187 usually required and the pattern is generally… … * Fig. 316. Core Box for Core, Fig. 317 of the causes of imperfections in castings rise to the top of the mold while the metal is being poured, and thus, if there are gas or dirt blowholes in a casting, they will be found in the cope side of the casting. The casting is parted where shown, and the…
Patternmaking
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