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(mechanical engineering)
An elongate tube with a central mid-feather and a cylindrical beater roll; formerly used for stock preparation in paper manufacture.



an apparatus of periodic action used for beating fibrous materials in paper production. The machine was first used in Holland at the turn of the 18th century. A hollander consists of a tank with a volume of 3–18 cu m. The tank is divided into two parts, or channels. A drum equipped with cutting blades is installed in one of the channels; a bedplate of beater bars is mounted under the drum. When the watery suspension (slurry), which contains 3–7 percent fibrous material, passes between the bars of the bedplate and the rotating drum, the material is beaten and transferred by the drum bars through the backfall to the other channel. From this channel the material flows by gravity back to the drum.

Hollanders are used for the manufacture of several types of thin paper. The pulp-and-paper industry is replacing hollanders with more productive continuous-action machines, such as conical and disk refining mills.

References in periodicals archive ?
Robert and Jean Hollander, intro, and notes Robert Hollander.
In this introduction, Hollander stresses the originality, fierce independence, even contrarian nature of Dante's attitude to his material (of his depiction of Beatrice, for example, Hollander notes that Dante, "knows that what he is proposing is out of bounds," xvii).
Hollander provides some of the usual help to these readers.
In his exposition of the poem, Hollander tries to bring home what he is saying by reference not just to those Latin classics that Dante knew, the Bible, and the patristic tradition, but also to Samuel Beckett (Purg.
As the language of his childhood, Dutch fragments, phrases and sayings kept coming to his mind throughout his life, even after he had turned his back on the uncivilized Hollanders (1501) and, subsequently, on the hostile theologians in Brabant (1521).
It follows that Erasmus meant the saying to refer to their descendants, the Hollanders.
He apparently alludes to a familiar saying which is commonly applied specifically to the Hollanders in our vernacular, namely, a Hollander on horseback.
About Hollander, LLC For more than 81 years Hollander has delivered trusted business solutions and helped drive parts demand to the automotive recycling industry.
For Hollander Virgil represents a classical tradition which Dante systematically revises according to a rigidly Christian epistemology The first sentence in the Introduction on Virgil makes this conviction emphatic: "We should be aware that Virgil was not always Dante's guide in poetry.