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 144
connected together by a strong center bar, whichis fitted, glued, and screwed into each, serving not only to strengthenthe pattern, but also to hold the connecting dowel pins. When thetwo halves of the pattern are clamped together, it serves also as asecure means of centering in the lathe. PATTERN… … jj z2^\\l :—^ ~l Fig. 226. Slightly Heavier Con-struction for Cylinder Pattern Fig. 227. Typical Core-Box Con-struction and turned separately, and glued and screwed to the ends of thecylinder from the inside of the end disks. Fig. 226 illustrates still another and better method of buildingup the…
Patternmaking
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