KR860008004U - Excavation hammer bit - Google Patents

Excavation hammer bit

Info

Publication number
KR860008004U
KR860008004U KR2019840014530U KR840014530U KR860008004U KR 860008004 U KR860008004 U KR 860008004U KR 2019840014530 U KR2019840014530 U KR 2019840014530U KR 840014530 U KR840014530 U KR 840014530U KR 860008004 U KR860008004 U KR 860008004U
Authority
KR
South Korea
Prior art keywords
hammer bit
excavation hammer
excavation
bit
hammer
Prior art date
Application number
KR2019840014530U
Other languages
Korean (ko)
Other versions
KR880004073Y1 (en
Inventor
김정환
Original Assignee
국제다이아몬드공업 주식회사
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 국제다이아몬드공업 주식회사 filed Critical 국제다이아몬드공업 주식회사
Priority to KR2019840014530U priority Critical patent/KR880004073Y1/en
Publication of KR860008004U publication Critical patent/KR860008004U/en
Application granted granted Critical
Publication of KR880004073Y1 publication Critical patent/KR880004073Y1/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts

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)
KR2019840014530U 1984-12-31 1984-12-31 Hammer bit for excavator KR880004073Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840014530U KR880004073Y1 (en) 1984-12-31 1984-12-31 Hammer bit for excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840014530U KR880004073Y1 (en) 1984-12-31 1984-12-31 Hammer bit for excavator

Publications (2)

Publication Number Publication Date
KR860008004U true KR860008004U (en) 1986-07-21
KR880004073Y1 KR880004073Y1 (en) 1988-11-18

Family

ID=19239195

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840014530U KR880004073Y1 (en) 1984-12-31 1984-12-31 Hammer bit for excavator

Country Status (1)

Country Link
KR (1) KR880004073Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5885374B1 (en) * 2014-04-17 2016-03-15 株式会社グランドールインターナショナル Support equipment for sleeping and sitting

Also Published As

Publication number Publication date
KR880004073Y1 (en) 1988-11-18

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Legal Events

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

Payment date: 19911115

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee