FI82491C - Slipsten - Google Patents

Slipsten Download PDF

Info

Publication number
FI82491C
FI82491C FI896334A FI896334A FI82491C FI 82491 C FI82491 C FI 82491C FI 896334 A FI896334 A FI 896334A FI 896334 A FI896334 A FI 896334A FI 82491 C FI82491 C FI 82491C
Authority
FI
Finland
Prior art keywords
grits
matrix
grinding
abrasive
sharp
Prior art date
Application number
FI896334A
Other languages
English (en)
Finnish (fi)
Other versions
FI896334A0 (fi
FI82491B (fi
Inventor
Carl-Olof Palm
Original Assignee
Partek Ab
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 Partek Ab filed Critical Partek Ab
Priority to FI896334A priority Critical patent/FI82491C/sv
Publication of FI896334A0 publication Critical patent/FI896334A0/fi
Publication of FI82491B publication Critical patent/FI82491B/fi
Priority to AU69089/91A priority patent/AU6908991A/en
Priority to PCT/FI1990/000313 priority patent/WO1991009707A1/en
Application granted granted Critical
Publication of FI82491C publication Critical patent/FI82491C/sv

Links

Classifications

    • 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
    • D21B1/14—Disintegrating in mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/12—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic water-setting, e.g. concrete

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (5)

1. För framställning av trämassa avsedd slipsten, vars slipyta väsentligen bestär av i en matris bundna och 5 av slipkorn sammansintrade sk. gritter, känne- t e c k n a d därav, att gritterna uppvisar före bind-ningen tili matrisen avrundade slipkorn.
2. Slipsten enligt patentkravet 1, känne- t e c k n a d därav, att gritternas fördelning i matrisen 10 motsvarar en slipfrekvens av ca. 50 kHz.
3. Slipsten enligt patentkravet 1, känne- t e c k n a d därav, att gritternas dimensioner är tili sin längd ca. 5-10 mm och till sin diameter ca. 2-4 mm pä sitt tjockaste ställe. 15
4. Förfarande för att framställa gritter användbara i en slipsten enligt patentkravet 1, känneteck-n a t därav, att ursprungligen av skarpkantade slipkorn sintrade gritter föres genom en plasmaläga eller genom ett annat fält med hög temperatur för att smälta de skarpkan-20 tade delarna och för att ästadkomma avrundade slipytor.
FI896334A 1989-12-29 1989-12-29 Slipsten FI82491C (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI896334A FI82491C (sv) 1989-12-29 1989-12-29 Slipsten
AU69089/91A AU6908991A (en) 1989-12-29 1990-12-27 Grindstone
PCT/FI1990/000313 WO1991009707A1 (en) 1989-12-29 1990-12-27 Grindstone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI896334 1989-12-29
FI896334A FI82491C (sv) 1989-12-29 1989-12-29 Slipsten

Publications (3)

Publication Number Publication Date
FI896334A0 FI896334A0 (fi) 1989-12-29
FI82491B FI82491B (fi) 1990-11-30
FI82491C true FI82491C (sv) 1991-03-11

Family

ID=8529613

Family Applications (1)

Application Number Title Priority Date Filing Date
FI896334A FI82491C (sv) 1989-12-29 1989-12-29 Slipsten

Country Status (3)

Country Link
AU (1) AU6908991A (sv)
FI (1) FI82491C (sv)
WO (1) WO1991009707A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7819149B2 (en) 2005-06-03 2010-10-26 Metso Paper, Inc. Method and apparatus for mechanical defibration of wood
US8167962B2 (en) 2007-04-10 2012-05-01 Saint-Gobain Abrasives, Inc. Pulpstone for long fiber pulp production

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0390775A1 (en) * 1987-12-15 1990-10-10 Oy Partek Ab A grindstone

Also Published As

Publication number Publication date
WO1991009707A1 (en) 1991-07-11
FI896334A0 (fi) 1989-12-29
FI82491B (fi) 1990-11-30
AU6908991A (en) 1991-07-24

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: OY PARTEK AB