SE9103462L - SPRAECKKROPP - Google Patents
SPRAECKKROPPInfo
- Publication number
- SE9103462L SE9103462L SE9103462A SE9103462A SE9103462L SE 9103462 L SE9103462 L SE 9103462L SE 9103462 A SE9103462 A SE 9103462A SE 9103462 A SE9103462 A SE 9103462A SE 9103462 L SE9103462 L SE 9103462L
- 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)
Abstract
A fracturing device which is intended, by insertion into a bore in a material and expansion therein, to fracture or crack the material, comprises two end pieces (4, 5) which are disposed at the opposing ends of the fracturing device and are interconnected via a longitudinally directed drawbar (1). An elastic expander sleeve (8) surrounds the drawbar (1) and seals against the end pieces (4, 5), and may be subjected to inner excess pressure. In order to avoid rupture at the anchorage of the expander sleeve (8) in the end pieces (4, 5), the expander sleeve (8) is provided with a radially expanding, thick-walled central portion (23). At each end thereof, there is disposed interiorly in each end piece (4, 5), an axially extendible thin-walled strain portion (26). The expander sleeve (8) has, at its opposite ends outside the strain portions (26), thick, bead-shaped end portions (38) which are accommodated in corresponding interior, annular grooves (12) in the end pieces (4, 5).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9103462A SE500317C2 (en) | 1991-11-22 | 1991-11-22 | The fracturing |
| AU29587/92A AU2958792A (en) | 1991-11-22 | 1992-10-16 | Fracturing device |
| PCT/SE1992/000723 WO1993010330A1 (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 (en) | 1991-11-22 | 1991-11-22 | The fracturing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9103462D0 SE9103462D0 (en) | 1991-11-22 |
| SE9103462L true SE9103462L (en) | 1993-05-23 |
| SE500317C2 SE500317C2 (en) | 1994-05-30 |
Family
ID=20384405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9103462A SE500317C2 (en) | 1991-11-22 | 1991-11-22 | The fracturing |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU2958792A (en) |
| SE (1) | SE500317C2 (en) |
| WO (1) | WO1993010330A1 (en) |
| ZA (1) | ZA928292B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6305753B1 (en) | 1999-03-04 | 2001-10-23 | Casiano Glenie Rodrigues | Hydraulic expansion tube |
| CN120251218B (en) * | 2025-06-06 | 2025-08-29 | 太原理工大学 | A microwave-fracture agent in-situ fracturing device and method for drilling and mining ore |
| CN120273716B (en) * | 2025-06-09 | 2025-09-05 | 北京中矿创新联盟能源环境科学研究院 | Cracker and cracking device |
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 (en) * | 1938-08-13 | |||
| GB1180915A (en) * | 1966-05-07 | 1970-02-11 | Dunlop Co Ltd | Improvements in Expansible Devices. |
| SU1767174A1 (en) * | 1988-05-06 | 1992-10-07 | Горно-Алтайский государственный педагогический институт | Power member |
-
1991
- 1991-11-22 SE SE9103462A patent/SE500317C2/en not_active IP Right Cessation
-
1992
- 1992-10-16 AU AU29587/92A patent/AU2958792A/en not_active Abandoned
- 1992-10-16 WO PCT/SE1992/000723 patent/WO1993010330A1/en not_active Ceased
- 1992-10-27 ZA ZA928292A patent/ZA928292B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE500317C2 (en) | 1994-05-30 |
| ZA928292B (en) | 1993-05-07 |
| WO1993010330A1 (en) | 1993-05-27 |
| AU2958792A (en) | 1993-06-15 |
| SE9103462D0 (en) | 1991-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |