AT341978B - Rundmeissel - Google Patents

Rundmeissel

Info

Publication number
AT341978B
AT341978B AT275076A AT275076A AT341978B AT 341978 B AT341978 B AT 341978B AT 275076 A AT275076 A AT 275076A AT 275076 A AT275076 A AT 275076A AT 341978 B AT341978 B AT 341978B
Authority
AT
Austria
Prior art keywords
round chisel
chisel
round
Prior art date
Application number
AT275076A
Other languages
English (en)
Other versions
ATA275076A (de
Original Assignee
Voest Ag
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 Voest Ag filed Critical Voest Ag
Priority to AT275076A priority Critical patent/AT341978B/de
Priority to DE19777709744U priority patent/DE7709744U1/de
Priority to DE2713665A priority patent/DE2713665C3/de
Priority to AU23873/77A priority patent/AU511917B2/en
Priority to GB14777/77A priority patent/GB1574972A/en
Priority to FR7710735A priority patent/FR2348359A1/fr
Priority to YU962/77A priority patent/YU39387B/xx
Priority to CS772433A priority patent/CS207396B2/cs
Priority to PL1977197369A priority patent/PL109784B1/pl
Priority to US05/787,221 priority patent/US4159746A/en
Priority to JP4312277A priority patent/JPS52151601A/ja
Publication of ATA275076A publication Critical patent/ATA275076A/de
Application granted granted Critical
Publication of AT341978B publication Critical patent/AT341978B/de
Priority to JP1985020610U priority patent/JPS60151991U/ja

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
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • 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
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Knives (AREA)
AT275076A 1976-04-14 1976-04-14 Rundmeissel AT341978B (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
AT275076A AT341978B (de) 1976-04-14 1976-04-14 Rundmeissel
DE19777709744U DE7709744U1 (de) 1976-04-14 1977-03-28 Rundmeissel
DE2713665A DE2713665C3 (de) 1976-04-14 1977-03-28 Rundmeißel für einen Schrämkopf
AU23873/77A AU511917B2 (en) 1976-04-14 1977-04-01 Mining machine cutting bits
GB14777/77A GB1574972A (en) 1976-04-14 1977-04-07 Bit of circular cross section
FR7710735A FR2348359A1 (fr) 1976-04-14 1977-04-08 Outil-molette de forage
YU962/77A YU39387B (en) 1976-04-14 1977-04-12 Circular chisel for heads of underreaming mining machines
CS772433A CS207396B2 (en) 1976-04-14 1977-04-13 Circular knife
PL1977197369A PL109784B1 (en) 1976-04-14 1977-04-13 Circular tool
US05/787,221 US4159746A (en) 1976-04-14 1977-04-13 Bit of circular cross-section
JP4312277A JPS52151601A (en) 1976-04-14 1977-04-14 Tool
JP1985020610U JPS60151991U (ja) 1976-04-14 1985-02-18 ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT275076A AT341978B (de) 1976-04-14 1976-04-14 Rundmeissel

Publications (2)

Publication Number Publication Date
ATA275076A ATA275076A (de) 1977-07-15
AT341978B true AT341978B (de) 1978-03-10

Family

ID=3539700

Family Applications (1)

Application Number Title Priority Date Filing Date
AT275076A AT341978B (de) 1976-04-14 1976-04-14 Rundmeissel

Country Status (10)

Country Link
US (1) US4159746A (de)
JP (2) JPS52151601A (de)
AT (1) AT341978B (de)
AU (1) AU511917B2 (de)
CS (1) CS207396B2 (de)
DE (2) DE2713665C3 (de)
FR (1) FR2348359A1 (de)
GB (1) GB1574972A (de)
PL (1) PL109784B1 (de)
YU (1) YU39387B (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT245488Y1 (it) * 1998-11-10 2002-03-20 Bitelli Spa Portautensile per tamburo fresante di macchine scarificatrici.
CS209175B1 (en) * 1979-06-04 1981-11-30 Jaroslav Vasek Cutter for rock disintegration
DE3442546A1 (de) * 1984-11-22 1986-05-28 Elfgen, Gerd, 5303 Bornheim Rundschaftmeissel fuer schraemmaschinen
US4823454A (en) * 1985-08-06 1989-04-25 Mills Ronald D Method of attaching a rotatable cutting bit shield
EP0259620A1 (de) * 1986-09-09 1988-03-16 Kennametal Inc. Schneidwerkzeug mit harter Spitze mit einem Mittelstück, dessen Oberfläche als Umdrehungskörper mit konkaver Erzeugender ausgebildet ist
JPH0633709B2 (ja) * 1987-09-29 1994-05-02 清水建設株式会社 地中掘削機
US5810102A (en) * 1996-08-23 1998-09-22 Stewart; Gary L. Reversible bit assembly
US6386641B2 (en) 1999-04-22 2002-05-14 Kennametal Pc Inc. Weld joint design for corners
US6375272B1 (en) * 2000-03-24 2002-04-23 Kennametal Inc. Rotatable cutting tool insert
US7360845B2 (en) * 2005-10-26 2008-04-22 Kennametal Inc. Cold-formed rotatable cutting tool and method of making the same
US7413257B2 (en) * 2005-10-26 2008-08-19 Kennametal Inc. Rotatable cutting tool with reverse tapered body
WO2010021582A1 (en) * 2008-08-18 2010-02-25 Sandvik Intellectual Property Ab Full sleeve retainer for step-shank of tool
DE102008045825B3 (de) * 2008-09-05 2010-05-27 Wirtgen Gmbh Meißelhalter für eine Schrämmaschine, Straßenfräse, Suface-Miner oder dergleichen
DE102012101719A1 (de) 2012-03-01 2013-09-05 Wirtgen Gmbh Meißelhalter
CN103334752A (zh) * 2013-06-28 2013-10-02 黑龙江科技学院 滚筒式采煤机的双联镐型截齿齿座
DE102015119119A1 (de) * 2015-11-06 2017-05-11 Betek Gmbh & Co. Kg Werkzeugsystem
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725216A (en) * 1951-07-20 1955-11-29 Philip B Brown Drilling bit
GB954130A (en) * 1962-04-27 1964-04-02 Minsup Mining Supplies Improvements in or relating to coal-cutter picks
US3258077A (en) * 1963-12-30 1966-06-28 Phipps Orville Piercing point hammer drill bit
US3493268A (en) * 1965-06-16 1970-02-03 Gen Electric Cutter bit
US3603414A (en) * 1970-01-30 1971-09-07 Frank E Stebley Insert for drilling unit
US3650565A (en) * 1970-05-04 1972-03-21 Kennametal Inc Pick type mining bit and support block therefor
US3841708A (en) * 1972-06-15 1974-10-15 Kennametal Inc Excavating tool device
US3830321A (en) * 1973-02-20 1974-08-20 Kennametal Inc Excavating tool and a bit for use therewith
US3870370A (en) * 1973-04-23 1975-03-11 Dresser Ind Universal saddle mounting for fixed and rolling cutters
JPS5928232B2 (ja) * 1973-06-14 1984-07-11 大日本インキ化学工業株式会社 光硬化性塗膜形成用組成物
US3957307A (en) * 1974-09-18 1976-05-18 Olind Varda Rough cutter mining tool

Also Published As

Publication number Publication date
FR2348359B1 (de) 1983-02-04
YU96277A (en) 1982-06-30
FR2348359A1 (fr) 1977-11-10
GB1574972A (en) 1980-09-17
JPS6239194Y2 (de) 1987-10-06
JPS60151991U (ja) 1985-10-09
DE2713665A1 (de) 1977-10-20
PL109784B1 (en) 1980-06-30
AU511917B2 (en) 1980-09-11
ATA275076A (de) 1977-07-15
DE2713665C3 (de) 1984-07-12
JPS52151601A (en) 1977-12-16
CS207396B2 (en) 1981-07-31
YU39387B (en) 1984-12-31
AU2387377A (en) 1978-10-05
DE2713665B2 (de) 1980-05-14
DE7709744U1 (de) 1978-12-14
US4159746A (en) 1979-07-03

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