Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines (1918)
Wallace, Ernest L · Chicago, American technical society · leaf 71
y contract, drawingthe plates of the joint tightly against each other, and producing agreat pressure between them, which gives the joint a correspondinglylarge frictional strength. It is the opinion of some that all well-made joints perform their service by means of their frictional strength;that… … Fig. 31. Calking Iron Fig. 32. Fullering Iron ever, is usually regarded as uncertain, and generally no allowanceis made for friction in computations on the strength of riveted joints. To make sure of a good tight joint, it is closed up by burringdown the edges of the plate. This is called calking.…
Machine design
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