GB2274079B - Method and apparatus for sharpening the surface of a grindstone in a pulp grinder - Google Patents

Method and apparatus for sharpening the surface of a grindstone in a pulp grinder

Info

Publication number
GB2274079B
GB2274079B GB9402153A GB9402153A GB2274079B GB 2274079 B GB2274079 B GB 2274079B GB 9402153 A GB9402153 A GB 9402153A GB 9402153 A GB9402153 A GB 9402153A GB 2274079 B GB2274079 B GB 2274079B
Authority
GB
United Kingdom
Prior art keywords
grindstone
sharpening
pulp grinder
grinder
pulp
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.)
Expired - Fee Related
Application number
GB9402153A
Other versions
GB9402153D0 (en
GB2274079A (en
Inventor
Jukka Laehteenmaeki
Seppo Blomqvist
Juhani Valli
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.)
Valmet Tampella Oy
Original Assignee
Valmet Tampella Oy
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 Valmet Tampella Oy filed Critical Valmet Tampella Oy
Publication of GB9402153D0 publication Critical patent/GB9402153D0/en
Publication of GB2274079A publication Critical patent/GB2274079A/en
Application granted granted Critical
Publication of GB2274079B publication Critical patent/GB2274079B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • 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
    • D21B1/28—Dressers for mill stones, combined with the mill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
GB9402153A 1991-08-09 1992-08-03 Method and apparatus for sharpening the surface of a grindstone in a pulp grinder Expired - Fee Related GB2274079B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI913803A FI88938C (en) 1991-08-09 1991-08-09 Method and apparatus for sharpening the surface of the wood grinder's lipstick
PCT/FI1992/000224 WO1993002836A1 (en) 1991-08-09 1992-08-03 Method and apparatus for sharpening the surface of a grindstone in a pulp grinder

Publications (3)

Publication Number Publication Date
GB9402153D0 GB9402153D0 (en) 1994-04-13
GB2274079A GB2274079A (en) 1994-07-13
GB2274079B true GB2274079B (en) 1995-05-10

Family

ID=8532972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9402153A Expired - Fee Related GB2274079B (en) 1991-08-09 1992-08-03 Method and apparatus for sharpening the surface of a grindstone in a pulp grinder

Country Status (7)

Country Link
JP (1) JPH07500775A (en)
AU (1) AU2368592A (en)
DE (1) DE4292499T1 (en)
FI (1) FI88938C (en)
GB (1) GB2274079B (en)
SE (1) SE503135C2 (en)
WO (1) WO1993002836A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105459B (en) * 1995-07-11 2000-08-31 Valmet Paperikoneet Oy Method and apparatus for sharpening the surface of a grinding stone in a wood grinding machine
FI104987B (en) * 1999-05-26 2000-05-15 Tom Forsman Method for controlling a process for producing ground pulp
DE10322991A1 (en) * 2003-05-21 2004-12-16 Erwin Junker Maschinenfabrik Gmbh Work-piece grinding method e.g. using rotary grinding disc, involves angularly displacing spraying medium to contact point on grinding surface relative to axis of rotation of grinding disc
DE602006004047D1 (en) * 2005-06-03 2009-01-15 Metso Paper Inc METHOD AND DEVICE FOR MECHANICAL DEFICING OF WOOD
CN110293482B (en) * 2019-07-05 2020-05-15 湖南科技大学 Method for dressing circular arc diamond grinding wheel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747276A (en) * 1971-05-07 1973-07-24 Christensen Diamond Prod Co Method and apparatus for contouring and sharpening circular saws

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747276A (en) * 1971-05-07 1973-07-24 Christensen Diamond Prod Co Method and apparatus for contouring and sharpening circular saws
DE2222338B2 (en) * 1971-05-07 1976-05-13 Christensen Diamond Products Co., Salt Lake City, Utah (V.St.A.) DEVICE FOR SHARPENING A CIRCULAR SAW BLADE DURING THE CUTTING WORK

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstract of Japan,Vol 7,No 12,M186,abstract of JP 57-168862,publ 1982-10-18(HARUNOBU MIURA) *

Also Published As

Publication number Publication date
DE4292499T1 (en) 1994-06-09
FI913803A (en) 1993-02-10
FI88938B (en) 1993-04-15
SE503135C2 (en) 1996-04-01
SE9400424L (en) 1994-02-09
FI913803A0 (en) 1991-08-09
AU2368592A (en) 1993-03-02
JPH07500775A (en) 1995-01-26
GB9402153D0 (en) 1994-04-13
GB2274079A (en) 1994-07-13
WO1993002836A1 (en) 1993-02-18
SE9400424D0 (en) 1994-02-09
FI88938C (en) 1993-07-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100803