FR1128024A - Improvements made to expansion bolts, for support or anchoring, especially in mine roofs - Google Patents
Improvements made to expansion bolts, for support or anchoring, especially in mine roofsInfo
- Publication number
- FR1128024A FR1128024A FR1128024DA FR1128024A FR 1128024 A FR1128024 A FR 1128024A FR 1128024D A FR1128024D A FR 1128024DA FR 1128024 A FR1128024 A FR 1128024A
- Authority
- FR
- France
- Prior art keywords
- anchoring
- support
- improvements made
- expansion bolts
- mine roofs
- Prior art date
- 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
- 238000004873 anchoring Methods 0.000 title 1
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
- E21D21/008—Anchoring or tensioning means
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1128024T | 1955-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1128024A true FR1128024A (en) | 1957-01-02 |
Family
ID=9635981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1128024D Expired FR1128024A (en) | 1955-06-18 | 1955-06-18 | Improvements made to expansion bolts, for support or anchoring, especially in mine roofs |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1128024A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022700A (en) * | 1958-03-14 | 1962-02-27 | Pattin Mfg Company Inc | Mine roof bolt assembly with sequential multiple expansion means |
| US5018908A (en) * | 1989-10-31 | 1991-05-28 | American Mining Supply, Inc. | Anchor assembly for a mine roof bolt |
| US5219248A (en) * | 1992-05-14 | 1993-06-15 | The Eastern Company | Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof |
| US5344257A (en) * | 1992-12-02 | 1994-09-06 | The Eastern Company | Mine roof expansion anchor and bail element |
| TWI682102B (en) * | 2014-04-23 | 2020-01-11 | 日商豐和股份有限公司 | Anchor bolt |
-
1955
- 1955-06-18 FR FR1128024D patent/FR1128024A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022700A (en) * | 1958-03-14 | 1962-02-27 | Pattin Mfg Company Inc | Mine roof bolt assembly with sequential multiple expansion means |
| US5018908A (en) * | 1989-10-31 | 1991-05-28 | American Mining Supply, Inc. | Anchor assembly for a mine roof bolt |
| US5219248A (en) * | 1992-05-14 | 1993-06-15 | The Eastern Company | Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof |
| US5344257A (en) * | 1992-12-02 | 1994-09-06 | The Eastern Company | Mine roof expansion anchor and bail element |
| AU663157B2 (en) * | 1992-12-02 | 1995-09-28 | Eastern Company, The | Mine roof expansion anchor and bail element |
| TWI682102B (en) * | 2014-04-23 | 2020-01-11 | 日商豐和股份有限公司 | Anchor bolt |
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