GB2053769B - Sealing arrangement in percussion apparatus - Google Patents
Sealing arrangement in percussion apparatusInfo
- Publication number
- GB2053769B GB2053769B GB8019120A GB8019120A GB2053769B GB 2053769 B GB2053769 B GB 2053769B GB 8019120 A GB8019120 A GB 8019120A GB 8019120 A GB8019120 A GB 8019120A GB 2053769 B GB2053769 B GB 2053769B
- Authority
- GB
- United Kingdom
- Prior art keywords
- sealing arrangement
- percussion apparatus
- percussion
- sealing
- arrangement
- 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
- 238000009527 percussion Methods 0.000 title 1
- 238000007789 sealing Methods 0.000 title 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3224—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip capable of accommodating changes in distances or misalignment between the surfaces, e.g. able to compensate for defaults of eccentricity or angular deviations
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792925467 DE2925467A1 (en) | 1979-06-23 | 1979-06-23 | SEALING DEVICE BETWEEN THE RINSING TUBE AND THE INSERT OF A STRIKE |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2053769A GB2053769A (en) | 1981-02-11 |
GB2053769B true GB2053769B (en) | 1983-03-23 |
Family
ID=6074021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8019120A Expired GB2053769B (en) | 1979-06-23 | 1980-06-11 | Sealing arrangement in percussion apparatus |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2925467A1 (en) |
FR (1) | FR2459925A1 (en) |
GB (1) | GB2053769B (en) |
SE (1) | SE8003921L (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10061810A1 (en) * | 2000-12-12 | 2002-06-13 | Hilti Ag | Striking hand tool with rotating guide tube |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2725214A (en) * | 1950-10-04 | 1955-11-29 | Sandvikens Jernverks Ab | Sealing device for rock drilling machines |
US3057417A (en) * | 1958-08-12 | 1962-10-09 | Thor Power Tool Co | Drill system with suction removal of cuttings |
DE1408678A1 (en) * | 1961-01-20 | 1968-10-10 | Krupp Gmbh | Centrally flushed rock drill |
DE1533749A1 (en) * | 1967-04-13 | 1970-01-22 | Kloeckner Werke Ag | Hydraulic pit ram |
FR2316431A1 (en) * | 1975-07-04 | 1977-01-28 | Montabert Roger | IMPROVEMENT IN DRILLING HAMMERS |
SE392947B (en) * | 1976-05-19 | 1977-04-25 | Linden Alimak Ab | DEVICE FOR A HYDRAULIC DRILL DRILL TO PREVENT INTRODUCTION OF FOREIGN PARTICLES INTO THE DRILL |
-
1979
- 1979-06-23 DE DE19792925467 patent/DE2925467A1/en not_active Withdrawn
-
1980
- 1980-05-27 SE SE8003921A patent/SE8003921L/en not_active Application Discontinuation
- 1980-06-11 GB GB8019120A patent/GB2053769B/en not_active Expired
- 1980-06-12 FR FR8013081A patent/FR2459925A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2459925A1 (en) | 1981-01-16 |
DE2925467A1 (en) | 1981-01-22 |
GB2053769A (en) | 1981-02-11 |
SE8003921L (en) | 1980-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |