KR950027812U - 굴삭 공구 - Google Patents

굴삭 공구

Info

Publication number
KR950027812U
KR950027812U KR2019940006745U KR19940006745U KR950027812U KR 950027812 U KR950027812 U KR 950027812U KR 2019940006745 U KR2019940006745 U KR 2019940006745U KR 19940006745 U KR19940006745 U KR 19940006745U KR 950027812 U KR950027812 U KR 950027812U
Authority
KR
South Korea
Prior art keywords
excavation tools
excavation
tools
Prior art date
Application number
KR2019940006745U
Other languages
English (en)
Other versions
KR960008760Y1 (ko
Inventor
배관수
Original Assignee
배관수
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 배관수 filed Critical 배관수
Priority to KR2019940006745U priority Critical patent/KR960008760Y1/ko
Publication of KR950027812U publication Critical patent/KR950027812U/ko
Application granted granted Critical
Publication of KR960008760Y1 publication Critical patent/KR960008760Y1/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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like

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)
KR2019940006745U 1994-03-31 1994-03-31 굴삭 공구 KR960008760Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940006745U KR960008760Y1 (ko) 1994-03-31 1994-03-31 굴삭 공구

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019940006745U KR960008760Y1 (ko) 1994-03-31 1994-03-31 굴삭 공구

Publications (2)

Publication Number Publication Date
KR950027812U true KR950027812U (ko) 1995-10-18
KR960008760Y1 KR960008760Y1 (ko) 1996-10-09

Family

ID=19380163

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019940006745U KR960008760Y1 (ko) 1994-03-31 1994-03-31 굴삭 공구

Country Status (1)

Country Link
KR (1) KR960008760Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022075513A1 (ko) * 2020-10-06 2022-04-14 강덕희 스크류 컨베어에 초경합금 적용방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022075513A1 (ko) * 2020-10-06 2022-04-14 강덕희 스크류 컨베어에 초경합금 적용방법

Also Published As

Publication number Publication date
KR960008760Y1 (ko) 1996-10-09

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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: 19990119

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee