.DING 7 the nowcl; C is the bottom board, D, cope bars, E, guide pins. Each flask is composed of at least these three mainparts, viz., cope, nowel, and bottom board. Sometimesanother part is introduced between the nowel and cope,called the clieck, or middle part. This is necessary whenthe casting… … Fig. 2. parts a molding board is needed, which may be just likethe bottom board. Only one molding board is requiredby one workman for any number of flasks of the samesize. The words top and bottom will be frequently used inwriting of this flask. They refer to the flask whenstanding in what may be…
Patternmaking
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