SE9103462D0 - Spraeckkropp - Google Patents
SpraeckkroppInfo
- Publication number
- SE9103462D0 SE9103462D0 SE9103462A SE9103462A SE9103462D0 SE 9103462 D0 SE9103462 D0 SE 9103462D0 SE 9103462 A SE9103462 A SE 9103462A SE 9103462 A SE9103462 A SE 9103462A SE 9103462 D0 SE9103462 D0 SE 9103462D0
- Authority
- SE
- Sweden
- Prior art keywords
- expander sleeve
- end pieces
- drawbar
- thick
- fracturing device
- Prior art date
Links
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/10—Devices with expanding elastic casings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sealing Devices (AREA)
- Earth Drilling (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9103462A SE500317C2 (sv) | 1991-11-22 | 1991-11-22 | Spräckkropp |
PCT/SE1992/000723 WO1993010330A1 (en) | 1991-11-22 | 1992-10-16 | Fracturing device |
AU29587/92A AU2958792A (en) | 1991-11-22 | 1992-10-16 | Fracturing device |
ZA928292A ZA928292B (en) | 1991-11-22 | 1992-10-27 | Fracturing device. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9103462A SE500317C2 (sv) | 1991-11-22 | 1991-11-22 | Spräckkropp |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9103462D0 true SE9103462D0 (sv) | 1991-11-22 |
SE9103462L SE9103462L (sv) | 1993-05-23 |
SE500317C2 SE500317C2 (sv) | 1994-05-30 |
Family
ID=20384405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9103462A SE500317C2 (sv) | 1991-11-22 | 1991-11-22 | Spräckkropp |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2958792A (sv) |
SE (1) | SE500317C2 (sv) |
WO (1) | WO1993010330A1 (sv) |
ZA (1) | ZA928292B (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6305753B1 (en) | 1999-03-04 | 2001-10-23 | Casiano Glenie Rodrigues | Hydraulic expansion tube |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US999000A (en) * | 1910-12-23 | 1911-07-25 | Gewerkschaft Dorstfeld | Rock loosening and impregnating device. |
US1630470A (en) * | 1922-08-24 | 1927-05-31 | Clifford Corp | Apparatus for breaking down ore bodies |
US1863286A (en) * | 1930-11-19 | 1932-06-14 | Sheppard Henry Bernard | Hydraulic cartridge for use in mining, quarrying, and like operations |
BE435825A (sv) * | 1938-08-13 | |||
GB1180915A (en) * | 1966-05-07 | 1970-02-11 | Dunlop Co Ltd | Improvements in Expansible Devices. |
SU1767174A1 (ru) * | 1988-05-06 | 1992-10-07 | Горно-Алтайский государственный педагогический институт | Силовой элемент |
-
1991
- 1991-11-22 SE SE9103462A patent/SE500317C2/sv not_active IP Right Cessation
-
1992
- 1992-10-16 WO PCT/SE1992/000723 patent/WO1993010330A1/en active Application Filing
- 1992-10-16 AU AU29587/92A patent/AU2958792A/en not_active Abandoned
- 1992-10-27 ZA ZA928292A patent/ZA928292B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
WO1993010330A1 (en) | 1993-05-27 |
ZA928292B (en) | 1993-05-07 |
SE500317C2 (sv) | 1994-05-30 |
AU2958792A (en) | 1993-06-15 |
SE9103462L (sv) | 1993-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |