SE8201248L - EASY MASS REFINER, INCLUDING MULTIPLE REFINING STEPS - Google Patents

EASY MASS REFINER, INCLUDING MULTIPLE REFINING STEPS

Info

Publication number
SE8201248L
SE8201248L SE8201248A SE8201248A SE8201248L SE 8201248 L SE8201248 L SE 8201248L SE 8201248 A SE8201248 A SE 8201248A SE 8201248 A SE8201248 A SE 8201248A SE 8201248 L SE8201248 L SE 8201248L
Authority
SE
Sweden
Prior art keywords
grinding
refiner
materials
including multiple
refining steps
Prior art date
Application number
SE8201248A
Other languages
Unknown language ( )
Swedish (sv)
Inventor
J D Sinkey
J E Watson
Original Assignee
Bauer Bros Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bauer Bros Co filed Critical Bauer Bros Co
Publication of SE8201248L publication Critical patent/SE8201248L/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • 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
    • D21D1/34—Other mills or refiners
    • D21D1/38—Other mills or refiners with horizontal shaft
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Abstract

An individual refiner unit is described which is constructed and arranged in such a way that it has a single primary grinding face which interacts successively with each of a number of additional grinding faces, each of which thus forms a different stage of a breaking down or material grinding process. In a preferred embodiment, the first grinding face is located on the outer circumference of a rotating drum and the additional grinding faces are arranged at a distance around part of its circumference. In this embodiment, the feeding of the material to be ground and the outlet of the end product take place on the side of the drum located downstream in its direction of rotation. The unit according to the invention permits a new and improved breaking-down process which allows a multi-stage successive treatment of materials at a relatively low speed and in a printing pattern which tends to crush or break up thoroughly and completely wood and other materials to be treated so that they can be converted into their most advantageous form for use in end products.
SE8201248A 1981-03-02 1982-03-01 EASY MASS REFINER, INCLUDING MULTIPLE REFINING STEPS SE8201248L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23933281A 1981-03-02 1981-03-02

Publications (1)

Publication Number Publication Date
SE8201248L true SE8201248L (en) 1982-09-03

Family

ID=22901700

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8201248A SE8201248L (en) 1981-03-02 1982-03-01 EASY MASS REFINER, INCLUDING MULTIPLE REFINING STEPS

Country Status (9)

Country Link
JP (1) JPS57149580A (en)
AU (1) AU8016782A (en)
BR (1) BR8201040A (en)
DE (1) DE3200604A1 (en)
FI (1) FI820543L (en)
FR (1) FR2500859A1 (en)
IT (1) IT1154264B (en)
SE (1) SE8201248L (en)
ZA (1) ZA818576B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614304A (en) * 1984-12-04 1986-09-30 Sunds Defibrator Ab Rotor/mixer for controlling mixing and refining of pulp material

Also Published As

Publication number Publication date
JPS57149580A (en) 1982-09-16
IT8247574A1 (en) 1983-07-15
FI820543A7 (en) 1982-09-03
FI820543L (en) 1982-09-03
FR2500859A1 (en) 1982-09-03
ZA818576B (en) 1982-11-24
DE3200604A1 (en) 1982-09-16
AU8016782A (en) 1982-09-09
BR8201040A (en) 1983-01-04
IT8247574A0 (en) 1982-01-15
IT1154264B (en) 1987-01-21

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8201248-5

Effective date: 19840113