KR960029221U - Threaded structure joining the drive sub and case of the drilling hammer - Google Patents

Threaded structure joining the drive sub and case of the drilling hammer

Info

Publication number
KR960029221U
KR960029221U KR2019950002427U KR19950002427U KR960029221U KR 960029221 U KR960029221 U KR 960029221U KR 2019950002427 U KR2019950002427 U KR 2019950002427U KR 19950002427 U KR19950002427 U KR 19950002427U KR 960029221 U KR960029221 U KR 960029221U
Authority
KR
South Korea
Prior art keywords
case
threaded structure
drive sub
drilling hammer
structure joining
Prior art date
Application number
KR2019950002427U
Other languages
Korean (ko)
Other versions
KR0123971Y1 (en
Inventor
임병덕
Original Assignee
임병덕
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 임병덕 filed Critical 임병덕
Priority to KR2019950002427U priority Critical patent/KR0123971Y1/en
Publication of KR960029221U publication Critical patent/KR960029221U/en
Application granted granted Critical
Publication of KR0123971Y1 publication Critical patent/KR0123971Y1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B12/00—Accessories for drilling tools
KR2019950002427U 1995-02-15 1995-02-15 Screw KR0123971Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950002427U KR0123971Y1 (en) 1995-02-15 1995-02-15 Screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950002427U KR0123971Y1 (en) 1995-02-15 1995-02-15 Screw

Publications (2)

Publication Number Publication Date
KR960029221U true KR960029221U (en) 1996-09-17
KR0123971Y1 KR0123971Y1 (en) 1999-03-30

Family

ID=19407922

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950002427U KR0123971Y1 (en) 1995-02-15 1995-02-15 Screw

Country Status (1)

Country Link
KR (1) KR0123971Y1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200294253Y1 (en) 2002-07-10 2002-11-04 임병덕 hammer bit hitting apparatus for digging
KR101131955B1 (en) * 2009-12-18 2012-04-12 홍승모 Hammer of drilling machune

Also Published As

Publication number Publication date
KR0123971Y1 (en) 1999-03-30

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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: 20020524

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee