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KR850004138A - 채광드릴 날 - Google Patents

채광드릴 날 Download PDF

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Publication number
KR850004138A
KR850004138A KR1019840007447A KR840007447A KR850004138A KR 850004138 A KR850004138 A KR 850004138A KR 1019840007447 A KR1019840007447 A KR 1019840007447A KR 840007447 A KR840007447 A KR 840007447A KR 850004138 A KR850004138 A KR 850004138A
Authority
KR
South Korea
Prior art keywords
drill blade
groove
drill
hole
primary groove
Prior art date
Application number
KR1019840007447A
Other languages
English (en)
Inventor
맥나이트 허어만
Original Assignee
클래먼트 에프 그래슬
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 클래먼트 에프 그래슬 filed Critical 클래먼트 에프 그래슬
Publication of KR850004138A publication Critical patent/KR850004138A/ko

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

내용 없음

Description

채광드릴 날
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 본 발명의 원리에 따라 설치된 채광드릴날의 파열된 정면도.
제2도 제1도의 2―2선으로 부터 보여지는 채광드릴날의 상측면도.

Claims (9)

  1. 몸체의 길이 방향축을 따라 상기 몸체의 일단으로부터 예정된 거리로 연장되는 길이방향구멍을 가지고, 상기 드릴날의 헤드를 확정하며 상기 몸체의 길이방향축의 직경 방향으로 횡단되게 설치한 1차 홈부를 가지고 있는 상기 몸체의 타단을 포함하는 회전형몸체를 포함하며, 상기 헤드는 상기 몸체의 길이방향 축의 직경방향으로 횡단되게 설치되고 상기 헤드안으로 충분한 거리로써 연장되어 상기 길이 방향 구멍과 연통되는 2차홈을 포함하며, 상기 2차홈은 상기 1차 홈과 90°보다 실질적으로 적은 각도로 교차되는 채광 드릴날.
  2. 제1항에 있어서, 상기 교차각도가 33°에서 38°사이인 드릴날.
  3. 제1항에 있어서, 상기 교차각도가 35°인 드릴날.
  4. 제1항에 있어서, 상기 2차 홈의 넓이가 상기 1차 홈의 넓이보다 큰 드릴날.
  5. 제1항에 있어서, 상기 2차 홈의 깊이가 상기 1차 홈의 깊이보다 큰 드릴날.
  6. 제1항에 있어서, 상기 1차 홈이 안전하게 커팅삽입물을 수납하고 지지할 수 있는 드릴날.
  7. 제1항에 있어서, 상기 구멍이(bore) 6각형인 드릴날.
  8. 제1항에 있어서, 상기 드릴날구멍은 상기드릴 회전구동축에 의해 수납되고 지지되며 상기 구멍은 상기축 주변의 암설 통로를 제공하기 위하여 방사상 언더컷을 가진 드릴날.
  9. 제8항에 있어서, 선택된 길이방향의 위치로써 다수의 상기 방사상 언더컷을 포함하는 드릴날.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840007447A 1983-11-29 1984-11-28 채광드릴 날 KR850004138A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55600583A 1983-11-29 1983-11-29
US556005 1983-11-29

Publications (1)

Publication Number Publication Date
KR850004138A true KR850004138A (ko) 1985-07-01

Family

ID=24219495

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840007447A KR850004138A (ko) 1983-11-29 1984-11-28 채광드릴 날

Country Status (8)

Country Link
EP (1) EP0163727A1 (ko)
KR (1) KR850004138A (ko)
AU (1) AU3743185A (ko)
CA (1) CA1240311A (ko)
IT (1) IT1178643B (ko)
PL (1) PL250631A1 (ko)
WO (1) WO1985002442A1 (ko)
ZA (1) ZA849207B (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621414A1 (de) * 1986-06-26 1988-01-07 Hawera Probst Kg Hartmetall Bohrwerkzeug
US5172775A (en) * 1991-03-06 1992-12-22 Kennametal Inc. Rotary drill bit insert
DE19964272C2 (de) * 1999-09-16 2003-05-28 Heller Dinklage Gmbh Geb Bohrer, insbesondere Gesteinsbohrer
US6595305B1 (en) 2000-02-15 2003-07-22 Kennametal Inc. Drill bit, hard member, and bit body
DE10129064A1 (de) 2001-06-15 2002-12-19 Hilti Ag Gesteinsbohrwerkzeug
US6860344B2 (en) 2001-06-25 2005-03-01 Kennametal Inc. Monolithic roof cutting bit insert
US7909547B2 (en) * 2005-10-08 2011-03-22 Milwaukee Electric Tool Corporation Replaceable tip for a bit or auger bit
US8328477B2 (en) 2006-03-02 2012-12-11 Milwaukee Electric Tool Corporation Cutting tool
WO2014121117A1 (en) 2013-02-01 2014-08-07 Milwaukee Electric Tool Corporation Auger bit with replaceable cutting bit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529788A (en) * 1948-07-06 1950-11-14 Carl A Signell Drill
DE803895C (de) * 1948-12-03 1951-04-12 Herbert Jeschke Dr Ing Gesteinsschlagbohrer mit Hartmetallschneiden
US3163246A (en) * 1963-04-18 1964-12-29 Westinghouse Air Brake Co Rock drill bit
US3269471A (en) * 1963-11-26 1966-08-30 Robert T Alexander Rock drilling bit
NL191520C (nl) * 1980-05-12 1995-08-21 Hoogovens Groep Bv Tapgatboor voor een hoogoven.
US4356873A (en) * 1980-12-08 1982-11-02 Mining Tools, Div. Of Smith Int'l., Inc. Cutter mounting and apparatus and method for a drill bit

Also Published As

Publication number Publication date
ZA849207B (en) 1985-07-31
IT1178643B (it) 1987-09-09
IT8423810A0 (it) 1984-11-29
WO1985002442A1 (en) 1985-06-06
EP0163727A1 (en) 1985-12-11
AU3743185A (en) 1985-06-13
CA1240311A (en) 1988-08-09
PL250631A1 (en) 1985-08-13

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19841128

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid