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dandy roll
dandy rolln. A cylinder of wire gauze pressed on moist pulp before it starts through the rollers of a papermaking device and resulting in the production of a watermark. Also called dandy roller.dandy roll or dandy rollern (Mechanical Engineering) a light roller used in the manufacture of certain papers to produce watermarksDandy Roll
dandy roll[′dan·dē ‚rōl] (mechanical engineering) A roll in a Fourdrinier paper-making machine; used to compact the sheet and sometimes to imprint a watermark. Dandy Roll a skeleton roll on a paper machine, consisting of a wire frame wrapped with netting. It is designed to level the surface of the paper, improve the paper’s structure and uniformity, and put watermarks on the paper web. REFERENCEIvanov, S. N. Tekhnologiia bumagi, 2nd ed. Moscow.Dandy Roll
Dandy RollA metal stamp coated with water and imprinted on a piece of paper during manufacture in order to create a watermark. |