KR930006905U - Drilling hammer - Google Patents

Drilling hammer

Info

Publication number
KR930006905U
KR930006905U KR910015535U KR910015535U KR930006905U KR 930006905 U KR930006905 U KR 930006905U KR 910015535 U KR910015535 U KR 910015535U KR 910015535 U KR910015535 U KR 910015535U KR 930006905 U KR930006905 U KR 930006905U
Authority
KR
South Korea
Prior art keywords
drilling hammer
hammer
drilling
Prior art date
Application number
KR910015535U
Other languages
Korean (ko)
Other versions
KR930004982Y1 (en
Inventor
Jong-Hwan Kim
Original Assignee
Kukje Daimond Ind Co Ltd
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 Kukje Daimond Ind Co Ltd filed Critical Kukje Daimond Ind Co Ltd
Priority to KR2019910015535U priority Critical patent/KR930004982Y1/en
Publication of KR930006905U publication Critical patent/KR930006905U/en
Application granted granted Critical
Publication of KR930004982Y1 publication Critical patent/KR930004982Y1/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
    • 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
KR2019910015535U 1991-09-20 1991-09-20 Drilling hammer KR930004982Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910015535U KR930004982Y1 (en) 1991-09-20 1991-09-20 Drilling hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910015535U KR930004982Y1 (en) 1991-09-20 1991-09-20 Drilling hammer

Publications (2)

Publication Number Publication Date
KR930006905U true KR930006905U (en) 1993-04-24
KR930004982Y1 KR930004982Y1 (en) 1993-07-26

Family

ID=19319646

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910015535U KR930004982Y1 (en) 1991-09-20 1991-09-20 Drilling hammer

Country Status (1)

Country Link
KR (1) KR930004982Y1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309297B1 (en) * 1999-04-07 2001-09-26 임병덕 Beat using excavator
WO2006025713A1 (en) * 2004-09-03 2006-03-09 Byung-Duk Lim A drilling apparatus having in-line extending wings and driving method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309297B1 (en) * 1999-04-07 2001-09-26 임병덕 Beat using excavator
WO2006025713A1 (en) * 2004-09-03 2006-03-09 Byung-Duk Lim A drilling apparatus having in-line extending wings and driving method thereof

Also Published As

Publication number Publication date
KR930004982Y1 (en) 1993-07-26

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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: 20050726

Year of fee payment: 13

LAPS Lapse due to unpaid annual fee