CA1308314C - Pneumatic percussive device - Google Patents
Pneumatic percussive deviceInfo
- Publication number
- CA1308314C CA1308314C CA000575043A CA575043A CA1308314C CA 1308314 C CA1308314 C CA 1308314C CA 000575043 A CA000575043 A CA 000575043A CA 575043 A CA575043 A CA 575043A CA 1308314 C CA1308314 C CA 1308314C
- Authority
- CA
- Canada
- Prior art keywords
- air
- casing
- chamber
- cavity
- air distribution
- 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 - Lifetime
Links
- 238000009826 distribution Methods 0.000 claims abstract description 41
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 101100126167 Escherichia coli (strain K12) intD gene Proteins 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 101150034533 ATIC gene Proteins 0.000 description 2
- 208000036366 Sensation of pressure Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 108010052322 limitin Proteins 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 102000007469 Actins Human genes 0.000 description 1
- 108010085238 Actins Proteins 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 241000950314 Figura Species 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 101100328463 Mus musculus Cmya5 gene Proteins 0.000 description 1
- 241001526284 Percus <genus> Species 0.000 description 1
- 235000017276 Salvia Nutrition 0.000 description 1
- 241001072909 Salvia Species 0.000 description 1
- 244000191761 Sida cordifolia Species 0.000 description 1
- 101150050280 alsD gene Proteins 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 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
- E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU4300605/03A SU1678100A1 (ru) | 1987-09-02 | 1987-09-02 | Пневматическое устройство ударного действия |
| SU4300605 | 1987-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1308314C true CA1308314C (en) | 1992-10-06 |
Family
ID=21325658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000575043A Expired - Lifetime CA1308314C (en) | 1987-09-02 | 1988-08-18 | Pneumatic percussive device |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0352327A4 (fi) |
| AU (1) | AU603015B2 (fi) |
| CA (1) | CA1308314C (fi) |
| ES (1) | ES2010343A6 (fi) |
| FI (1) | FI893122A0 (fi) |
| HU (1) | HU885510D0 (fi) |
| SU (1) | SU1678100A1 (fi) |
| WO (1) | WO1989002011A1 (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6129761A (en) | 1995-06-07 | 2000-10-10 | Reprogenesis, Inc. | Injectable hydrogel compositions |
| CN102012339B (zh) * | 2010-12-15 | 2012-06-27 | 山东大学 | 适用于地质力学模型试验的超薄柔性均布压力加载装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974885A (en) * | 1972-07-10 | 1976-08-17 | Boris Vasilievich Sudnishnikov | Pneumatic percussive power tool |
| DE2634066C3 (de) * | 1976-07-29 | 1984-09-20 | Paul 5940 Lennestadt Schmidt | Vorrichtung für den Vor- und Rücklauf von selbstangetriebenen, pneumatischen Rammbohrgeräten |
-
1987
- 1987-09-02 SU SU4300605/03A patent/SU1678100A1/ru active
-
1988
- 1988-08-18 CA CA000575043A patent/CA1308314C/en not_active Expired - Lifetime
- 1988-08-30 HU HU885510A patent/HU885510D0/hu unknown
- 1988-08-30 WO PCT/SU1988/000175 patent/WO1989002011A1/ru not_active Application Discontinuation
- 1988-08-30 AU AU24246/88A patent/AU603015B2/en not_active Ceased
- 1988-08-30 EP EP19880908419 patent/EP0352327A4/de not_active Withdrawn
- 1988-09-01 ES ES8802697A patent/ES2010343A6/es not_active Expired
-
1989
- 1989-06-27 FI FI893122A patent/FI893122A0/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| HU885510D0 (fi) | 1990-02-28 |
| AU2424688A (en) | 1989-03-31 |
| FI893122A (fi) | 1989-06-27 |
| FI893122A0 (fi) | 1989-06-27 |
| AU603015B2 (en) | 1990-11-01 |
| WO1989002011A1 (en) | 1989-03-09 |
| EP0352327A4 (en) | 1991-07-31 |
| SU1678100A1 (ru) | 2000-02-20 |
| ES2010343A6 (es) | 1989-11-01 |
| EP0352327A1 (de) | 1990-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |