SE8901866L - Saenkhammarutrustning - Google Patents
SaenkhammarutrustningInfo
- Publication number
- SE8901866L SE8901866L SE8901866A SE8901866A SE8901866L SE 8901866 L SE8901866 L SE 8901866L SE 8901866 A SE8901866 A SE 8901866A SE 8901866 A SE8901866 A SE 8901866A SE 8901866 L SE8901866 L SE 8901866L
- Authority
- SE
- Sweden
- Prior art keywords
- piston
- backhead
- casing
- axial bores
- seal
- Prior art date
Links
- 239000012530 fluid Substances 0.000 abstract 3
- 238000005553 drilling Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000009527 percussion Methods 0.000 abstract 1
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA884259 | 1988-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8901866D0 SE8901866D0 (sv) | 1989-05-25 |
SE8901866L true SE8901866L (sv) | 1989-12-16 |
Family
ID=25579289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8901866A SE8901866L (sv) | 1988-06-15 | 1989-05-25 | Saenkhammarutrustning |
Country Status (7)
Country | Link |
---|---|
US (1) | US5080179A (pt) |
JP (1) | JPH0288184A (pt) |
AU (1) | AU608441B2 (pt) |
BR (1) | BR8902749A (pt) |
DE (1) | DE3917155A1 (pt) |
GB (1) | GB2219817B (pt) |
SE (1) | SE8901866L (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5205363A (en) * | 1991-05-16 | 1993-04-27 | Pascale Jack H | Porting system for pneumatic impact hammer |
DE19652530C2 (de) * | 1996-12-17 | 1998-12-03 | Terra Ag Tiefbautechnik | Imlochhammer |
SE510057C2 (sv) * | 1997-08-07 | 1999-04-12 | Wiklund Henry & Co | Utloppskanal i tryckmediumdriven slagmekanism |
US5984021A (en) * | 1998-01-27 | 1999-11-16 | Numa Tool Company | Porting system for back chamber of pneumatic hammer |
CZ136198A3 (cs) * | 1998-05-04 | 1999-11-17 | Permon S. R. O. | Pneumatické ponorné vrtací nářadí |
EP1138870A1 (en) * | 2000-03-27 | 2001-10-04 | Bernard Lionel Gien | Drill hammer assembly |
WO2006037073A2 (en) * | 2004-09-27 | 2006-04-06 | Evalve, Inc. | Methods and devices for tissue grasping and assessment |
US8052592B2 (en) * | 2005-09-27 | 2011-11-08 | Evalve, Inc. | Methods and devices for tissue grasping and assessment |
AU2005312495A1 (en) * | 2004-12-07 | 2006-06-15 | Byung-Duk Lim | A ground drilling hammer and the driving method |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2958645A (en) * | 1956-12-31 | 1960-11-01 | Exxon Research Engineering Co | Naphtha reforming process |
ZA756257B (en) * | 1975-10-02 | 1977-03-30 | Gien Abraham | Pneumatic hammer drill |
US4084647A (en) * | 1976-07-01 | 1978-04-18 | William Lister | Pneumatic percussion hammer |
EP0040026A1 (en) * | 1980-05-09 | 1981-11-18 | Halifax Tool Company Limited | Free piston machines |
ZA863192B (en) * | 1986-04-29 | 1986-12-30 | Abraham Gien | Improvement in valveless pneumatic hammer |
US4530408A (en) * | 1983-03-28 | 1985-07-23 | Toutant Roland J | Porting system for pneumatic impact hammer |
CA1226488A (en) * | 1983-05-18 | 1987-09-08 | Bernard L. Gien | Down the hole hammer equipment |
ZA843758B (en) * | 1983-05-18 | 1985-04-24 | Abraham Gien | Down the hole hammer equipment |
ZA869271B (en) * | 1985-12-09 | 1987-10-28 | Aclo Pty Ltd | A pneumatic tool |
AU595081B2 (en) * | 1986-10-24 | 1990-03-22 | William Lister | Reversed circulation pneumatic percussion hammer |
-
1989
- 1989-05-23 AU AU35102/89A patent/AU608441B2/en not_active Ceased
- 1989-05-25 SE SE8901866A patent/SE8901866L/ not_active Application Discontinuation
- 1989-05-26 DE DE3917155A patent/DE3917155A1/de not_active Withdrawn
- 1989-05-31 GB GB8912431A patent/GB2219817B/en not_active Expired - Lifetime
- 1989-06-09 BR BR898902749A patent/BR8902749A/pt not_active IP Right Cessation
- 1989-06-13 JP JP1148568A patent/JPH0288184A/ja active Pending
-
1990
- 1990-06-18 US US07/539,684 patent/US5080179A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2219817A (en) | 1989-12-20 |
SE8901866D0 (sv) | 1989-05-25 |
AU3510289A (en) | 1989-12-21 |
BR8902749A (pt) | 1990-02-01 |
US5080179A (en) | 1992-01-14 |
DE3917155A1 (de) | 1989-12-21 |
JPH0288184A (ja) | 1990-03-28 |
AU608441B2 (en) | 1991-03-28 |
GB8912431D0 (en) | 1989-07-19 |
GB2219817B (en) | 1992-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8901866-7 Effective date: 19930605 |