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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 ?
In the last three months of using the Dross Boss at Hollaender, Terry Smith, metalcasting operations manager, said the facility has recovered 9,000 lbs.
Friedrich Hollaender, one of Germany's jazz pioneers in the 1920s, reminds us that Germans used to pronounce the word jazz as ja:s: "Jass
Also Sunday, chanteuse Ute Lemper and guitarist Eliot Fisk will perform some of the last cabaret songs heard in Berlin just before the Nazis banned the music of Kurt Weill and Friedrich Hollaender.
Sabine Hollaender examines travel from the female perspective, especially how women stepped out of normal social roles by travelling.
But alongside such Weill classics as Surabaya Johnny and Alabama Song, singers Mary Carewe and Andrew Shore will be performing other examples of the genre by much less familiar composers like Mischa Spoliansky, Friedrich Hollaender, Franz Waxman and Wilfried Grosz.
In addition to David Bintley's The Dance House, the season also presents two additional Tomasson works, Beads of Memory, his 1985 tribute to Balanchine last seen here in 1992, and the highly expressionistic Nanna's Lied, to songs by Kurt Weill and Friedrich Hollaender.
Bruce: L (2) Hipkins, Alfred: L (3) Hitchcock, Ripley: L Hoesslin, Franz von: L Hoffman, Malvina: L Hoffman, Richard: MS Hoffmann, Baptist: L Hofmann, Heinrich: L (2) Hofmann, Josef: L (6), MS Hogarth, George: L (2) Holbrooke, Joseph: L Hollaender, Gustav: L Hollaender, Victor: L Holier, Augustin: MS Hollingshead, John: L (11) Hollman, Joseph: L (6) Holmes, Alfred: L (4) Holmes, Amy Burvill: L Holmes, Augusta: L (3) Holmes, Beatrix: L Holmes, Henry: D, L (3) Holmes, Marguerite: L (5) Holmes, William Henry,: L Hoist, Gustav: L (9) Holstein, Franz von: L (2) Holzmann, M.
Natalie Hollaender, Senior Account Representative has been specializing in the direct marketing/advertising industries for over thirty years with in-depth experience in all facets of customer service, print buying/purchasing/procurement and vendor negotiations.