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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 ?
Prof Hollander, 51, is head of the Institute of Integrative Biology at the University of Liverpool and is working on a project to create stem cell bandages for torn knee cartilage.
The Solera companies include: Audatex in the United States, Canada and in more than 45 additional countries; HPI, CarweB and CAP Automotive in the United Kingdom; Informex in Belgium and Greece; Sidexa in France; ABZ and Market Scan in the Netherlands; Hollander serving the North American recycling market; AUTOonline, providing salvage disposition in a number of European and Latin American countries; IMS, providing medical review services; Explore, providing data and analytics to United States property and casualty insurers; Service Repair Solutions, providing solutions for the service, maintenance and repair market; and I&S, a provider of software and business management tools, third-party claims administration, first notice of loss and network management services to the U.
In the new role, Hollander will help set the committee's mission, annual goals and agenda.
Professor den Hollander commented We are thrilled to be able to partner with Samsung, a true global leader when it comes to technology and innovation.
Tom Hollander says: "It's a sympathetic portrayal of selfdestruction and it allows you to get inside him.
When encouraged to try films, he appeared in True Blue and Some Mother's Son and while the films got mixed responses, Hollander stood out as their true star.
Hollander Talent Group is a talent agency that works with young performers.
During her witness testimony, Hollander revealed that the company had spent 24 million dollars on producing Michael's doomed 'This Is It' residency in London, and had budgeted an additional 150,000 dollars a month for Murray's costs.
Award-winning: From left, Jimmy Akingbola as Mick, Lucy Liemann as Ellie, Olivia Colman as Alex, Ellen Thomas as Adoha, Tom Hollander as Adam, Miles Jupp as Nigel, Steve Evets as Colin and Simon McBurney as Archdeacon Robert star in the second series of Rev.
The Only Superpower: Reflections on Strength, Weakness, and Anti-Americanism by Paul Hollander (Lanham, MD: Lexington, 2009)
Hollander, whose family owns the distributor, said he did not know the driver well.
Leaders acquire follower support through a dynamic process Hollander calls idiosyncrasy credits.