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CA2215845A1 - Appareil de criblage des copeaux de bois a lames a bord superieur non lineaire - Google Patents

Appareil de criblage des copeaux de bois a lames a bord superieur non lineaire Download PDF

Info

Publication number
CA2215845A1
CA2215845A1 CA 2215845 CA2215845A CA2215845A1 CA 2215845 A1 CA2215845 A1 CA 2215845A1 CA 2215845 CA2215845 CA 2215845 CA 2215845 A CA2215845 A CA 2215845A CA 2215845 A1 CA2215845 A1 CA 2215845A1
Authority
CA
Canada
Prior art keywords
blades
improvement
nonlinear
top edges
chips
Prior art date
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.)
Abandoned
Application number
CA 2215845
Other languages
English (en)
Inventor
Gevan R. Marrs
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.)
Weyerhaeuser Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2215845A1 publication Critical patent/CA2215845A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02Straining or screening the pulp
    • D21D5/04Flat screens
    • D21D5/043Vibrating screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/12Apparatus having only parallel elements
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/02Pretreatment of the raw materials by chemical or physical means
    • D21B1/023Cleaning wood chips or other raw materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Paper (AREA)

Abstract

Appareil de criblage des copeaux de bois comprenant une extrémité d'alimentation et une extrémité de décharge et entre elles de longues lames fines (40, 42) à mouvement alternatif. Les lames (40, 42) sont séparées par des intervalles permettant le passage des copeaux de l'épaisseur acceptable voulue. L'amélioration porte sur le bord supérieur des lames (40, 42) d'une configuration non linéaire.
CA 2215845 1995-04-12 1996-03-25 Appareil de criblage des copeaux de bois a lames a bord superieur non lineaire Abandoned CA2215845A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42219095A 1995-04-12 1995-04-12
US08/422,190 1995-04-12

Publications (1)

Publication Number Publication Date
CA2215845A1 true CA2215845A1 (fr) 1996-10-17

Family

ID=23673767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2215845 Abandoned CA2215845A1 (fr) 1995-04-12 1996-03-25 Appareil de criblage des copeaux de bois a lames a bord superieur non lineaire

Country Status (4)

Country Link
EP (1) EP0820354A1 (fr)
AU (1) AU5634796A (fr)
CA (1) CA2215845A1 (fr)
WO (1) WO1996032203A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2376220B1 (es) * 2010-06-16 2012-09-24 Tecnoligra, S.L. Máquina desramadora para instalaciones de limpieza de frutos arbóreos.
KR102301930B1 (ko) * 2019-08-23 2021-09-15 한국지질자원연구원 기류 형성 망 및 이를 포함하는 비중 선별 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU34550A1 (fr) * 1956-07-28
SU1058639A1 (ru) * 1982-04-15 1983-12-07 Калининский Ордена Трудового Красного Знамени Политехнический Институт Устройство дл сепарации сыпучего материала
SE451432B (sv) * 1983-06-15 1987-10-12 Rudolf Woode Spaltsall for storleksuppdelning av styckeformigt gods, t ex treflis efter dess tjocklek
SE447800B (sv) * 1985-05-03 1986-12-15 Ulf Strindlund Forfarande for sallning av styckeformigt material och anordning for genomforande av forfarandet
US5117983A (en) * 1989-08-07 1992-06-02 Weyerhaeuser Company Bar screen having a reciprocating action
US5368168A (en) * 1993-04-26 1994-11-29 Weyerhaeuser Co. Bar screen with bars of staggered height

Also Published As

Publication number Publication date
AU5634796A (en) 1996-10-30
EP0820354A1 (fr) 1998-01-28
WO1996032203A1 (fr) 1996-10-17

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Legal Events

Date Code Title Description
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