PL76998B1 - - Google Patents
Download PDFInfo
- Publication number
- PL76998B1 PL76998B1 PL1971151844A PL15184471A PL76998B1 PL 76998 B1 PL76998 B1 PL 76998B1 PL 1971151844 A PL1971151844 A PL 1971151844A PL 15184471 A PL15184471 A PL 15184471A PL 76998 B1 PL76998 B1 PL 76998B1
- Authority
- PL
- Poland
- Prior art keywords
- punch
- support
- housing according
- sliding housing
- foot
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 102200124760 rs587777729 Human genes 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0463—Hanging or shifting means for tubes, electric feeding cables or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Supports For Pipes And Cables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2107288A DE2107288C3 (de) | 1971-02-16 | 1971-02-16 | Blasversatzleitung |
Publications (1)
Publication Number | Publication Date |
---|---|
PL76998B1 true PL76998B1 (cs) | 1975-02-28 |
Family
ID=5798900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL1971151844A PL76998B1 (cs) | 1971-02-16 | 1971-11-30 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE775879A (cs) |
CS (1) | CS178405B2 (cs) |
DE (1) | DE2107288C3 (cs) |
FR (1) | FR2114428A5 (cs) |
PL (1) | PL76998B1 (cs) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3011174C2 (de) * | 1980-03-22 | 1983-02-24 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Aus Blasleitung und Abschirmwand bestehende Blasversatzeinrichtung, die an hydraulischen Schreitausbaugestellen angeordnet ist |
-
1971
- 1971-02-16 DE DE2107288A patent/DE2107288C3/de not_active Expired
- 1971-11-03 FR FR7139333A patent/FR2114428A5/fr not_active Expired
- 1971-11-26 BE BE775879A patent/BE775879A/xx not_active IP Right Cessation
- 1971-11-30 PL PL1971151844A patent/PL76998B1/pl unknown
-
1972
- 1972-02-14 CS CS91572A patent/CS178405B2/cs unknown
Also Published As
Publication number | Publication date |
---|---|
DE2107288C3 (de) | 1980-11-06 |
DE2107288A1 (de) | 1972-08-31 |
DE2107288B2 (de) | 1980-03-13 |
BE775879A (fr) | 1972-03-16 |
CS178405B2 (cs) | 1977-09-15 |
FR2114428A5 (cs) | 1972-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PL76998B1 (cs) | ||
US4020640A (en) | Shield structure | |
US3042233A (en) | Multiple joint backhoe | |
PL115687B1 (en) | Gangway walking roof support | |
US4189258A (en) | Walking mine-roof support | |
US4311417A (en) | Mine roof support | |
CN101482025A (zh) | 一种轻型液压支架 | |
US6128941A (en) | Pipe bending machine | |
US3971225A (en) | Mine support assemblies | |
US3832856A (en) | Device for vertically positioning the props of a mine roof supporting frame | |
CS203073B2 (en) | Facility for adjusting the cutting level of the plane or similar instrument of the hoisting engine | |
CN201180555Y (zh) | 一种轻型液压支架 | |
US4268193A (en) | Mine roof supports | |
US4065930A (en) | Mine roof support | |
US3779604A (en) | Mineral mining installations | |
GB1573790A (en) | Hydraulically operated self-advancing roof support assembly | |
GB1562091A (en) | Hydraulicmine roof support for use in materialdischarging operations in mines | |
DE2558746C2 (de) | Trossenhaken | |
US4876877A (en) | Portable tool for bending roof bolts for insertion in mine roof openings | |
CN214753050U (zh) | 一种大型轨道移动设备的电源电缆防折损机构 | |
GB2035431A (en) | Mine roof supports | |
US4139326A (en) | Mine roof supports | |
HU190935B (en) | Mine supporting device | |
DE521102C (de) | Verstellbare Kettenfuehrung fuer den oberen Kettentrum bei Eimerkettenbaggern mit Knickleiter | |
US4404833A (en) | Device for straightening of pipes |