Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. (1905)
Hand, L. H. (Louis Henry), b. 1854 · Chicago, F. J. Drake & co. · leaf 33
uld in the sand. 28 PATTERN MAKING drag) should again be turned over, taken apartand the wood pattern removed, leaving the fin-ished mould as shown in cross-section, Fig. 5.In many instances it is customary to part thesand entirely by the use of the moulders trowel,especially where the pattern is… … patterns are pushed down into the sand abouthalf of their depth, or to such a point as willmost readily permit their withdrawal from eitherway. The moulder then smoothes the sanddown and packs it thoroughly around the pat-tern with his trowel. Then a parting is madevv^ich dry sand and the cope is…
Patternmaking · Founding
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