BR8705346A - Broca cortante giratoria e retentor resiliente - Google Patents

Broca cortante giratoria e retentor resiliente

Info

Publication number
BR8705346A
BR8705346A BR8705346A BR8705346A BR8705346A BR 8705346 A BR8705346 A BR 8705346A BR 8705346 A BR8705346 A BR 8705346A BR 8705346 A BR8705346 A BR 8705346A BR 8705346 A BR8705346 A BR 8705346A
Authority
BR
Brazil
Prior art keywords
retainer
rearward
bore
rear end
rotary cutting
Prior art date
Application number
BR8705346A
Other languages
English (en)
Inventor
Waybe H Beach
Robert H Montgomery
Lawrence R Burns
Original Assignee
Kennametal Inc
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 Kennametal Inc filed Critical Kennametal Inc
Publication of BR8705346A publication Critical patent/BR8705346A/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/197—Means for fixing picks or holders using sleeves, rings or the like, as main fixing elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Road Repair (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling Tools (AREA)
  • Threshing Machine Elements (AREA)
  • Harvester Elements (AREA)
  • Table Equipment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
BR8705346A 1986-10-07 1987-10-01 Broca cortante giratoria e retentor resiliente BR8705346A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91633686A 1986-10-07 1986-10-07

Publications (1)

Publication Number Publication Date
BR8705346A true BR8705346A (pt) 1988-05-24

Family

ID=25437096

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8705346A BR8705346A (pt) 1986-10-07 1987-10-01 Broca cortante giratoria e retentor resiliente

Country Status (10)

Country Link
EP (1) EP0264015B1 (pt)
JP (1) JPS63161288A (pt)
AT (1) ATE56248T1 (pt)
AU (1) AU592017B2 (pt)
BR (1) BR8705346A (pt)
CA (1) CA1301781C (pt)
DE (1) DE3764760D1 (pt)
DK (1) DK523087A (pt)
ES (1) ES2005372A6 (pt)
ZA (1) ZA876962B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461165B (sv) * 1987-06-12 1990-01-15 Hans Olav Norman Verktyg foer brytning, avverkning eller bearbetning av fasta material
US5303984A (en) * 1992-11-16 1994-04-19 Valenite Inc. Cutting bit holder sleeve with retaining flange
DE9411438U1 (de) * 1994-07-16 1994-11-10 Boart Hwf Gmbh Co Kg Rundschaftmeißelsicherung mit Verschlußschutz
DE19720635C2 (de) * 1997-05-16 1999-05-12 Betek Bergbau & Hartmetall Schaftmeißel
US7380888B2 (en) 2001-04-19 2008-06-03 Kennametal Inc. Rotatable cutting tool having retainer with dimples
DE10142438B4 (de) * 2001-07-04 2007-09-13 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Befestigungsanordnung für einen Schaftmeißel
DE102005051450B4 (de) * 2005-10-27 2010-08-05 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Rundschaftmeißel und Meißelhalter
DE102005051449B3 (de) 2005-10-27 2007-03-01 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Rundschaftmeißel mit Meißelhalter
EP2313612B1 (en) * 2008-08-18 2014-12-03 Sandvik Intellectual Property AB Full sleeve retainer for step-shank of tool
US7789468B2 (en) * 2008-08-19 2010-09-07 The Sollami Company Bit holder usable in bit blocks having either of a cylindrical or non-locking taper bore
US8622482B2 (en) * 2008-08-19 2014-01-07 Phillip Sollami Bit holder usable in bit blocks having either of a cylindrical or non-locking taper bore
JP6636548B2 (ja) * 2018-01-31 2020-01-29 エポコラム機工株式会社 コニカルビット
US11898446B1 (en) 2022-07-29 2024-02-13 Kennametal Inc. Tool retainer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519309A (en) * 1965-08-12 1970-07-07 Kennametal Inc Rotary cone bit retained by captive keeper ring
AU490754B2 (en) * 1976-08-23 1976-11-04 Carmet Company Mine tool and keeper
US4201421A (en) * 1978-09-20 1980-05-06 Besten Leroy E Den Mining machine bit and mounting thereof
US4575156A (en) * 1984-03-13 1986-03-11 Fansteel Inc. Mining block and bit

Also Published As

Publication number Publication date
EP0264015A1 (en) 1988-04-20
EP0264015B1 (en) 1990-09-05
AU7900987A (en) 1988-04-21
DE3764760D1 (de) 1990-10-11
DK523087A (da) 1988-04-08
ES2005372A6 (es) 1989-03-01
DK523087D0 (da) 1987-10-06
AU592017B2 (en) 1989-12-21
JPS63161288A (ja) 1988-07-04
CA1301781C (en) 1992-05-26
ZA876962B (en) 1988-07-27
ATE56248T1 (de) 1990-09-15

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