Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB6255/50A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leje and Thurne AB
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Leje and Thurne AB
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Publication date
Application filed by Leje and Thurne ABfiledCriticalLeje and Thurne AB
Publication of GB674373ApublicationCriticalpatent/GB674373A/en
D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
D21D1/00—Methods of beating or refining; Beaters of the Hollander type
D21D1/20—Methods of refining
D21D1/32—Hammer mills
Landscapes
Paper
(AREA)
Crushing And Pulverization Processes
(AREA)
Abstract
674,373. Centrifugal pumps. LEJE & THURNE AKTIEBOLAG. March 13, 1950 [July 5, 1949], No. 6255/50. Class 110(i) [Also in Group VIII] Waste paper &c. is defibrated in a tank 1 by a wheel 2 bladed on its upper and lower surfaces, the upper blades 2' circulating the material within the tank, and the lower blades 2<SP>2</SP> acting as pump blades for discharging material that has passed through annular space 10.
GB6255/50A1949-07-051950-03-13Improvements in apparatus for disintegrating waste paper
ExpiredGB674373A
(en)