PL307065A1 - Hydraulic tubular prop - Google Patents
Hydraulic tubular propInfo
- Publication number
- PL307065A1 PL307065A1 PL93307065A PL30706593A PL307065A1 PL 307065 A1 PL307065 A1 PL 307065A1 PL 93307065 A PL93307065 A PL 93307065A PL 30706593 A PL30706593 A PL 30706593A PL 307065 A1 PL307065 A1 PL 307065A1
- Authority
- PL
- Poland
- Prior art keywords
- hydraulic tubular
- tubular prop
- prop
- hydraulic
- tubular
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pipe Accessories (AREA)
- Supports For Pipes And Cables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4224852A DE4224852C2 (de) | 1992-07-28 | 1992-07-28 | Rohrstütze, insbesondere für den untertägigen Berg- und Tunnelbau |
Publications (1)
Publication Number | Publication Date |
---|---|
PL307065A1 true PL307065A1 (en) | 1995-05-02 |
Family
ID=6464260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL93307065A PL307065A1 (en) | 1992-07-28 | 1993-07-17 | Hydraulic tubular prop |
Country Status (7)
Country | Link |
---|---|
CN (1) | CN1085289A (de) |
AU (1) | AU4416693A (de) |
DE (1) | DE4224852C2 (de) |
HU (1) | HUT67954A (de) |
PL (1) | PL307065A1 (de) |
WO (1) | WO1994002709A1 (de) |
ZA (1) | ZA935391B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19514137C2 (de) * | 1995-04-20 | 1997-02-13 | Theodor Kolk | Ausbaustütze für den untertägigen Berg- oder Tunnelbau |
US20130121774A1 (en) * | 2011-11-16 | 2013-05-16 | DU Technologies, Inc. | Crib Bag |
CN105401964B (zh) * | 2015-11-25 | 2017-09-22 | 安徽理工大学 | 一种能够指示顶板压力的矿用支架 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL249704A (de) * | 1959-03-23 | |||
DE1162791B (de) * | 1961-12-27 | 1964-02-13 | Bergin G M B H | Elastische Schutzhuelle fuer den Aussenstempel von hydraulischen Tragsaeulen |
ZA745649B (en) * | 1974-09-05 | 1975-12-31 | Mine Support Syst Pty Ltd | Compressible mine support |
GB2100318A (en) * | 1981-05-13 | 1982-12-22 | Ogc Research & Dev Ltd | Improvements in and relating to support members |
-
1992
- 1992-07-28 DE DE4224852A patent/DE4224852C2/de not_active Expired - Fee Related
-
1993
- 1993-07-17 HU HU9500246A patent/HUT67954A/hu unknown
- 1993-07-17 WO PCT/DE1993/000631 patent/WO1994002709A1/de not_active Application Discontinuation
- 1993-07-17 AU AU44166/93A patent/AU4416693A/en not_active Abandoned
- 1993-07-17 PL PL93307065A patent/PL307065A1/xx unknown
- 1993-07-27 ZA ZA935391A patent/ZA935391B/xx unknown
- 1993-07-28 CN CN93116865A patent/CN1085289A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
ZA935391B (en) | 1994-03-17 |
DE4224852C2 (de) | 1997-06-12 |
DE4224852A1 (de) | 1994-02-03 |
WO1994002709A1 (de) | 1994-02-03 |
HUT67954A (en) | 1995-05-29 |
AU4416693A (en) | 1994-02-14 |
HU9500246D0 (en) | 1995-03-28 |
CN1085289A (zh) | 1994-04-13 |
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