couch roll

[ kooch, kouch ]

Phonetic (Standard)IPA

noun

, Papermaking.

First recorded in 1850–55

The web of pulp is shown as it passes from the cylinder mold over the couch roll toward the driers.

Beyond the couch roll is a series of press rolls, between which run endless felts to carry the soft, moist paper.

Stuff which runs too moist on the wire will often crush under the couch roll, producing a curdled appearance.

April 23, 2024inveterate

[in-vet-er-it ]

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