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KR970058741U - Underground drilling bits - Google Patents

Underground drilling bits

Info

Publication number
KR970058741U
KR970058741U KR2019960010125U KR19960010125U KR970058741U KR 970058741 U KR970058741 U KR 970058741U KR 2019960010125 U KR2019960010125 U KR 2019960010125U KR 19960010125 U KR19960010125 U KR 19960010125U KR 970058741 U KR970058741 U KR 970058741U
Authority
KR
South Korea
Prior art keywords
underground drilling
drilling bits
bits
underground
drilling
Prior art date
Application number
KR2019960010125U
Other languages
Korean (ko)
Other versions
KR0140337Y1 (en
Inventor
정재무
Original Assignee
덴버코리아그라우팅주식회사
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 덴버코리아그라우팅주식회사 filed Critical 덴버코리아그라우팅주식회사
Priority to KR2019960010125U priority Critical patent/KR0140337Y1/en
Publication of KR970058741U publication Critical patent/KR970058741U/en
Application granted granted Critical
Publication of KR0140337Y1 publication Critical patent/KR0140337Y1/en

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
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • 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
    • E21B10/60—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)
KR2019960010125U 1996-04-30 1996-04-30 A drill bit KR0140337Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019960010125U KR0140337Y1 (en) 1996-04-30 1996-04-30 A drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019960010125U KR0140337Y1 (en) 1996-04-30 1996-04-30 A drill bit

Publications (2)

Publication Number Publication Date
KR970058741U true KR970058741U (en) 1997-11-10
KR0140337Y1 KR0140337Y1 (en) 1999-04-01

Family

ID=19455022

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019960010125U KR0140337Y1 (en) 1996-04-30 1996-04-30 A drill bit

Country Status (1)

Country Link
KR (1) KR0140337Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102649072B1 (en) * 2023-05-11 2024-03-19 김선홍 Multi-rotation penetration pile according to depth and manufacturing method therefor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101632365B1 (en) * 2014-04-04 2016-06-21 김영관 Potable power rotary device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102649072B1 (en) * 2023-05-11 2024-03-19 김선홍 Multi-rotation penetration pile according to depth and manufacturing method therefor

Also Published As

Publication number Publication date
KR0140337Y1 (en) 1999-04-01

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20101221

Year of fee payment: 13

EXPY Expiration of term