iently widefor this frame, for if this frame is madeunnecessarily wide, it may interfere withthe patterns or the parting line of themould. The frame B will be of the samedimensions as the flask in connection withwhich it is to be used plus enough on theends to allow for pin attachments or mould-ing… … FIG. IV. Frames used in forming- plate. The large frame will be known as Frame A, and the small frame will be known as Frame B. plate, and is used on round pins, thereforethe pin holes may be drilled to the best ad-vantage, although when made for flaskpins that are other than round, it is…
Patternmaking
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