Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 241
HAND BENDING ROLLS.—for Light Plates. Used for tanks and light boilers. Top roll adjustable and self-supporting.Side rolls adjustable by screws. Arranged to bolt to foundation. Pits requiredin floor for the operating spiders. Made 6 ft. i and 8 ft. i between housings,with 8 and 9 rolls… … 6 POWER BENDING ROLLS.—for Light Plates. Top roH, 6 diameter ; side rolls, 5 diameter ; all forged steel. Tumblerbearing permits work rolled to a full circle to be readily removed. Housings at-tached to beams and extended to carry motor for driving rolls. Rolls adjustableby power through friction…
Machine-tools · Machinery
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