GB1552975A - Drills - Google Patents
DrillsInfo
- Publication number
- GB1552975A GB1552975A GB5072476A GB5072476A GB1552975A GB 1552975 A GB1552975 A GB 1552975A GB 5072476 A GB5072476 A GB 5072476A GB 5072476 A GB5072476 A GB 5072476A GB 1552975 A GB1552975 A GB 1552975A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drills
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5072476A GB1552975A (en) | 1976-12-07 | 1976-12-07 | Drills |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5072476A GB1552975A (en) | 1976-12-07 | 1976-12-07 | Drills |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1552975A true GB1552975A (en) | 1979-09-19 |
Family
ID=10457090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5072476A Expired GB1552975A (en) | 1976-12-07 | 1976-12-07 | Drills |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1552975A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2458668A1 (en) * | 1979-06-11 | 1981-01-02 | Dresser Ind | ROCK DRILL HAMMER WITH FLUID CONTROL |
EP0043291A1 (en) * | 1980-07-01 | 1982-01-06 | Greame Rear Ian | Improved fluid operated hammer |
EP0048142A1 (en) * | 1980-09-11 | 1982-03-24 | Ian Graeme Rear | Fluid operated hammer |
EP0083507A2 (en) * | 1982-01-04 | 1983-07-13 | Ian Graeme Rear | Fluid operated hammer having drill bit clearance means |
US4530407A (en) * | 1981-09-17 | 1985-07-23 | Rear Ian G | Fluid operated hammer |
US4530408A (en) * | 1983-03-28 | 1985-07-23 | Toutant Roland J | Porting system for pneumatic impact hammer |
US4653593A (en) * | 1984-07-12 | 1987-03-31 | Atlas Copco Aktiebolag | Control method and control device for a down-the-hole rock drill |
CN109441382A (en) * | 2018-12-28 | 2019-03-08 | 易鲁川 | A kind of hydraulic anchor |
-
1976
- 1976-12-07 GB GB5072476A patent/GB1552975A/en not_active Expired
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2458668A1 (en) * | 1979-06-11 | 1981-01-02 | Dresser Ind | ROCK DRILL HAMMER WITH FLUID CONTROL |
US4446929A (en) * | 1979-06-11 | 1984-05-08 | Dresser Industries, Inc. | Fluid operated rock drill hammer |
EP0043291A1 (en) * | 1980-07-01 | 1982-01-06 | Greame Rear Ian | Improved fluid operated hammer |
US4534422A (en) * | 1980-07-01 | 1985-08-13 | Rear Ian G | Fluid operated hammer |
EP0048142A1 (en) * | 1980-09-11 | 1982-03-24 | Ian Graeme Rear | Fluid operated hammer |
US4530407A (en) * | 1981-09-17 | 1985-07-23 | Rear Ian G | Fluid operated hammer |
EP0083507A2 (en) * | 1982-01-04 | 1983-07-13 | Ian Graeme Rear | Fluid operated hammer having drill bit clearance means |
EP0083507A3 (en) * | 1982-01-04 | 1983-09-07 | Ian Graeme Rear | Fluid operated hammer having drill bit clearance means |
US4530408A (en) * | 1983-03-28 | 1985-07-23 | Toutant Roland J | Porting system for pneumatic impact hammer |
US4653593A (en) * | 1984-07-12 | 1987-03-31 | Atlas Copco Aktiebolag | Control method and control device for a down-the-hole rock drill |
CN109441382A (en) * | 2018-12-28 | 2019-03-08 | 易鲁川 | A kind of hydraulic anchor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5364888A (en) | Drill | |
GB1538097A (en) | Substituted phenyl-amidines | |
JPS52112900A (en) | Combined tool | |
JPS5379866A (en) | Antipodally substituted 22imidazolinee55one | |
JPS52100050A (en) | Rollerrmounting tool | |
JPS52144893A (en) | Drill device | |
JPS52151601A (en) | Tool | |
JPS5346688A (en) | Tool | |
JPS52146019A (en) | Connection tool | |
JPS52148888A (en) | Boring tool | |
ZA775233B (en) | Drill | |
GB1531949A (en) | Substituted benzenamines | |
GB1551479A (en) | Substituted aminoacetamodo oxadethiacepphalosporins | |
GB1552975A (en) | Drills | |
JPS5297986A (en) | Substituted hydrazinophthalazines | |
GB1540322A (en) | Drill chuck | |
GB1558288A (en) | Tool | |
GB1523703A (en) | Substituted indole - 1 - acetates | |
MY8200259A (en) | Substituted 2- vinyl-chromones | |
JPS52111073A (en) | Boring bar | |
GB1553549A (en) | Drill holder | |
JPS5245505A (en) | Grippfitted tool | |
JPS5337991A (en) | Drilling tools | |
JPS52131289A (en) | Boring tool | |
JPS5297485A (en) | Chuck |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |