FR2170357A5 - - Google Patents
Info
- Publication number
- FR2170357A5 FR2170357A5 FR7206927A FR7206927A FR2170357A5 FR 2170357 A5 FR2170357 A5 FR 2170357A5 FR 7206927 A FR7206927 A FR 7206927A FR 7206927 A FR7206927 A FR 7206927A FR 2170357 A5 FR2170357 A5 FR 2170357A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB572971*[A GB1329905A (en) | 1970-12-16 | 1971-03-01 | Screening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2170357A5 true FR2170357A5 (de) | 1973-09-14 |
Family
ID=9801543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7206927A Expired FR2170357A5 (de) | 1971-03-01 | 1972-02-29 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3797254A (de) |
| CA (1) | CA944966A (de) |
| DE (1) | DE2209821A1 (de) |
| ES (1) | ES400968A1 (de) |
| FR (1) | FR2170357A5 (de) |
| GB (1) | GB1337015A (de) |
| IT (1) | IT952068B (de) |
| ZA (1) | ZA721168B (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1506897A (en) * | 1975-11-05 | 1978-04-12 | Ici Ltd | Method of securing fixing elements in rock |
| US4289426A (en) * | 1979-09-14 | 1981-09-15 | Ingersoll-Rand Company | Friction rock stabilizer and method of forming same, and a method of stabilizing an earth structure |
| US4378180A (en) * | 1980-11-05 | 1983-03-29 | Scott James J | Yieldable mine roof support fixture |
| FI64224C (fi) * | 1981-04-22 | 1983-10-10 | Neste Oy | Bergbult |
| CA1331705C (en) * | 1988-07-26 | 1994-08-30 | Richard Roy Wood | Rock anchor |
| US5387060A (en) * | 1993-03-26 | 1995-02-07 | F. M. Locotos Equipment & Design Co. | Tubular mining bolt |
| AUPM776394A0 (en) * | 1994-08-30 | 1994-09-22 | Industrial Rollformers Pty Limited | A rock bolt and method of installing a rock bolt |
| AUPP367598A0 (en) | 1998-05-22 | 1998-06-18 | Industrial Rollformers Pty Limited | Rock bolt and method of forming a rock bolt |
| US7037058B2 (en) | 2001-03-21 | 2006-05-02 | Industrial Roll Formers Pty. Ltd. | Resin embedded rock bolt |
| US11759293B2 (en) * | 2009-08-26 | 2023-09-19 | Joaquin T. Ariza | Orthodontic system and method of use |
| SE535912C2 (sv) * | 2011-06-30 | 2013-02-12 | Leif Eriksson | Expanderbar bergbult och ett förfarande för tillverkning av en bergbult |
| US8876436B2 (en) * | 2011-12-14 | 2014-11-04 | Rsc Mining (Pty) Ltd. | Rock bolt |
| AU2016363530B2 (en) * | 2015-11-30 | 2021-08-05 | Sandvik Intellectual Property Ab | Friction bolt |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1696861A (en) * | 1927-03-21 | 1928-12-25 | Locke Insulator Corp | Insulator-supporting pin |
| US2492164A (en) * | 1946-07-25 | 1949-12-27 | Carlton G Lutts | Elastic proving bar |
| US2682152A (en) * | 1950-04-15 | 1954-06-29 | Bierer Joseph | Method of and apparatus for reinforcing and supporting mine roofs and the like |
| US2879686A (en) * | 1952-10-31 | 1959-03-31 | Ohio Brass Co | Anchor bolt having test rod to indicate tension changes |
| DE1178815B (de) * | 1961-02-28 | 1964-10-01 | Erich Fritz Dipl Ing | Ankerausbau fuer Untertageraeume |
| DE1245292B (de) * | 1965-11-27 | 1967-07-27 | Bergwerksverband Gmbh | Verfahren zum Befestigen von Ankerstangen in Bohrloechern, insbesondere bei gebraechem Gebirge |
-
1972
- 1972-02-22 ZA ZA721168A patent/ZA721168B/xx unknown
- 1972-02-28 US US00229844A patent/US3797254A/en not_active Expired - Lifetime
- 1972-02-29 CA CA135,771A patent/CA944966A/en not_active Expired
- 1972-02-29 FR FR7206927A patent/FR2170357A5/fr not_active Expired
- 1972-03-01 DE DE19722209821 patent/DE2209821A1/de active Pending
- 1972-03-01 IT IT48686/72A patent/IT952068B/it active
- 1972-03-01 ES ES400968A patent/ES400968A1/es not_active Expired
- 1972-03-01 GB GB572971A patent/GB1337015A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2209821A1 (de) | 1972-09-21 |
| ZA721168B (en) | 1972-11-29 |
| ES400968A1 (es) | 1975-02-01 |
| US3797254A (en) | 1974-03-19 |
| CA944966A (en) | 1974-04-09 |
| GB1337015A (en) | 1973-11-14 |
| IT952068B (it) | 1973-07-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |