f a class of patterns where themolders and pattern-makers joints dO not coincide. ^ ^ I \ JL > L...J r , ^ Fig. 15.This would need what is called a three-part flasR, meaning that the mold is composed of three distinct bodies of sand, which, of course, involves the making of two molderspartings.… … -AK Fig. 16.down to the upper line of the web. The mold for a wormwheel is another good example of molding where theparting of the pattern does not coincide with that of themold Fig 16 will make this quite clear. The pattern holders joints or partings 49 will be parted along the line AB; the…
Patternmaking
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