dandy roll

American  

noun

Papermaking.

1. a light, open cylinder of wire gauze in a papermaking machine, for smoothing wet pulp and for impressing a watermark.

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dandy roll British  

noun

1. a light roller used in the manufacture of certain papers to produce watermarks

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Etymology

Origin of dandy roll

First recorded in 1830–40

Example Sentences

There seems to be a tendency in the hurd stock to crush a little at the "dandy roll," and although the marks are not removed by the calender stack which was employed in those tests it was found that one "nip" on the supercalenders renders them practically imperceptible and it is believed that the proper size and weight of calender stack would entirely remove these marks.

From Project Gutenberg

As the pulp moves along with the gauze band it passes under a roller called the "dandy roll."

From Project Gutenberg

After passing the dandy roll the paper goes over a number of rollers covered with felt and cylinders heated by steam, until it is dry.

From Project Gutenberg

Between these suction-boxes above the wire is a wire-covered roll which impresses the newly formed sheet; this impression cylinder is called a "dandy roll," and it is from this that the web receives the markings or impressions that characterize different papers.

From Project Gutenberg

Judged by such a criterion, the impression cylinder, or "dandy roll," has an added value, for in all probability its operation suggested the idea of printing from cylinders, as in our present web or perfecting presses.

From Project Gutenberg