ATA188774A - Trageinrichtung - Google Patents
TrageinrichtungInfo
- Publication number
- ATA188774A ATA188774A AT188774A AT188774A ATA188774A AT A188774 A ATA188774 A AT A188774A AT 188774 A AT188774 A AT 188774A AT 188774 A AT188774 A AT 188774A AT A188774 A ATA188774 A AT A188774A
- Authority
- AT
- Austria
- Prior art keywords
- carrying device
- carrying
- 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
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure
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)
- Lining And Supports For Tunnels (AREA)
- Vibration Dampers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA731578A ZA731578B (en) | 1973-03-07 | 1973-03-07 | Compressible mine supports |
ZA735579 | 1973-08-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA188774A true ATA188774A (de) | 1976-01-15 |
AT332343B AT332343B (de) | 1976-09-27 |
Family
ID=27131073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT188774A AT332343B (de) | 1973-03-07 | 1974-03-07 | Trageinrichtung |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5040401A (de) |
AT (1) | AT332343B (de) |
AU (1) | AU6632974A (de) |
BR (1) | BR7401725D0 (de) |
DE (1) | DE2410976A1 (de) |
FR (1) | FR2220665B1 (de) |
ZM (1) | ZM4574A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19503071B4 (de) * | 1994-08-25 | 2004-02-12 | Sz Schacht- Und Streckenausbau Gmbh | Teleskopstempel für den Einsatz im untertägigen Berg-, Tunnel- und Hochbau |
ATE393299T1 (de) * | 2002-11-08 | 2008-05-15 | Grinaker Lta Ltd | Grubenstempel |
US8851805B2 (en) | 2012-08-30 | 2014-10-07 | Burrell Mining Products, Inc. | Telescopic mine roof support |
US20170130580A1 (en) * | 2012-08-30 | 2017-05-11 | Burrell Mining Products, Inc. | Telescopic mine roof support |
US9611738B2 (en) | 2014-08-27 | 2017-04-04 | Burrell Mining Products, Inc. | Ventilated mine roof support |
US9903203B2 (en) | 2014-08-27 | 2018-02-27 | Burrell Mining Products, Inc. | Ventilated mine roof support |
WO2018017948A1 (en) * | 2016-07-21 | 2018-01-25 | Burrell Mining Products, Inc. | Telescopic mine roof support |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB941768A (en) * | 1961-03-06 | 1963-11-13 | Dowty Mining Equipment Ltd | Telescopic pit props having external guard shrouds |
FR1316824A (fr) * | 1962-03-02 | 1963-02-01 | Cadre pour l'exploitation de mines | |
GB1016292A (en) * | 1963-05-15 | 1966-01-12 | Stewarts & Lloyds Ltd | A yielding strut |
GB1227359A (de) * | 1968-04-01 | 1971-04-07 |
-
1974
- 1974-03-06 AU AU66329/74A patent/AU6632974A/en not_active Expired
- 1974-03-06 FR FR7408413A patent/FR2220665B1/fr not_active Expired
- 1974-03-07 DE DE2410976A patent/DE2410976A1/de not_active Withdrawn
- 1974-03-07 JP JP49026689A patent/JPS5040401A/ja active Pending
- 1974-03-07 ZM ZM45/74A patent/ZM4574A1/xx unknown
- 1974-03-07 AT AT188774A patent/AT332343B/de not_active IP Right Cessation
- 1974-03-07 BR BR1725/74A patent/BR7401725D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
AT332343B (de) | 1976-09-27 |
JPS5040401A (de) | 1975-04-14 |
AU6632974A (en) | 1975-09-11 |
ZM4574A1 (en) | 1975-06-23 |
DE2410976A1 (de) | 1974-09-12 |
FR2220665B1 (de) | 1978-01-06 |
FR2220665A1 (de) | 1974-10-04 |
BR7401725D0 (pt) | 1974-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EIH | Change in the person of patent owner | ||
ELJ | Ceased due to non-payment of the annual fee |