ZA747859B - Bore hole air hammer - Google Patents

Bore hole air hammer

Info

Publication number: ZA747859B
Authority: ZA; South Africa
Prior art keywords: bore hole; air hammer; hole air; hammer; bore
Prior art date: 1974-02-11

Application number

ZA00747859A

Inventor

A Curington

Original Assignee

Bakerdrill Inc

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.)

1974-02-11

Filing date

1974-12-10

Publication date

1976-01-28

1974-02-11 Priority claimed from US05/440,960 external-priority patent/US3958645A/en

1974-12-10 Application filed by Bakerdrill Inc filed Critical Bakerdrill Inc

1976-01-28 Publication of ZA747859B publication Critical patent/ZA747859B/en

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
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion 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)

ZA00747859A 1974-02-11 1974-12-10 Bore hole air hammer ZA747859B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/440,960 US3958645A (en)	1972-04-24	1974-02-11	Bore hole air hammer

Publications (1)

Publication Number	Publication Date
ZA747859B true ZA747859B (en)	1976-01-28

Family

ID=23750915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00747859A ZA747859B (en)	1974-02-11	1974-12-10	Bore hole air hammer

Country Status (6)

Country	Link
JP (1)	JPS50115101A (en)
CA (1)	CA1013338A (en)
GB (2)	GB1474502A (en)
IN (1)	IN140613B (en)
SE (1)	SE7413460L (en)
ZA (1)	ZA747859B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6289690A (en) *	1985-10-04	1987-04-24	Nippon Soda Co Ltd	Organic titanium compound and surface-treatment agent containing said compound as active component
CA2606202C (en) *	2005-04-27	2013-09-24	Atlas Copco Secoroc Ab	Exhaust valve and bit assembly for down-hole percussive drills
US7992652B2 (en)	2009-02-05	2011-08-09	Atlas Copco Secoroc Llc	Fluid distributor cylinder for percussive drills
US8561730B2 (en)	2010-03-23	2013-10-22	Atlas Copco Secoroc Llc	Foot valve assembly for a down hole drill
CN107829689B (en) *	2017-11-21	2023-10-31	中南大学	Multidirectional jet pneumatic down-the-hole hammer drill bit

1974
- 1974-10-25 SE SE7413460A patent/SE7413460L/xx unknown
- 1974-11-01 IN IN2387/CAL/1974A patent/IN140613B/en unknown
- 1974-11-13 JP JP49130069A patent/JPS50115101A/ja active Pending
- 1974-12-10 ZA ZA00747859A patent/ZA747859B/en unknown
- 1974-12-12 CA CA215,815A patent/CA1013338A/en not_active Expired
1975
- 1975-01-16 GB GB4454376A patent/GB1474502A/en not_active Expired
- 1975-01-16 GB GB185475A patent/GB1474501A/en not_active Expired

Also Published As

Publication number	Publication date
AU7565074A (en)	1976-05-27
SE7413460L (en)	1975-08-12
CA1013338A (en)	1977-07-05
GB1474501A (en)	1977-05-25
IN140613B (en)	1976-12-11
JPS50115101A (en)	1975-09-09
GB1474502A (en)	1977-05-25

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