GB1272361A - Improvements relating to the roof support of underground mine passages and openings - Google Patents
Improvements relating to the roof support of underground mine passages and openingsInfo
- Publication number
- GB1272361A GB1272361A GB2493/70A GB249370A GB1272361A GB 1272361 A GB1272361 A GB 1272361A GB 2493/70 A GB2493/70 A GB 2493/70A GB 249370 A GB249370 A GB 249370A GB 1272361 A GB1272361 A GB 1272361A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- collar
- roof support
- openings
- improvements relating
- 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
- 241000907661 Pieris rapae Species 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/006—Lining anchored in the rock
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Clamps And Clips (AREA)
- Foundations (AREA)
Abstract
1,272,361. Roof supports for mines. C. C. WHITE. 19 Jan., 1970 [25 June, 1969], No. 2493/70. Heading E1F. [Also in Division F2] A roof support for a mine passage or opening comprises a pair of anchor members 38' installed in holes in the roof in spaced opposed relationship, an opposed rod or bolt 32', 84' connected with each anchor member and extending downwardly in the holes, a collar 40' in sleeved engagement with the lower. portion of rod 32', and connecting means extending between the collar and the other rod. A strap 52' having an enlarged end in engagement with collar 40 is connected, by a wedge box joint 74' as described in Specification 1,271,215, to link 72' which is also connected to the end portion of rod 84' as shown, or to a strap connected to a collar on the other rod.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US836440A US3509726A (en) | 1969-06-25 | 1969-06-25 | Roof support for underground mines and openings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1272361A true GB1272361A (en) | 1972-04-26 |
Family
ID=25271971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2493/70A Expired GB1272361A (en) | 1969-06-25 | 1970-01-19 | Improvements relating to the roof support of underground mine passages and openings |
Country Status (3)
Country | Link |
---|---|
US (1) | US3509726A (en) |
AU (1) | AU448500B2 (en) |
GB (1) | GB1272361A (en) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3913338A (en) * | 1974-11-22 | 1975-10-21 | Alex J Galis | Apparatus for positioning cable-type roof supports in a mine roof |
US4349300A (en) * | 1979-06-04 | 1982-09-14 | Kelley Jay H | Systemic roof support |
US4395161A (en) * | 1981-11-19 | 1983-07-26 | Bethlehem Steel Corporation | Transition plate for a mine roof truss |
ZA838486B (en) * | 1982-11-16 | 1984-06-27 | Tucker Michael C | A method and apparatus for reinforcing and consolidating earth structures |
US4456405A (en) * | 1982-12-13 | 1984-06-26 | Alex Galis | Mine roof truss assembly and associated method |
WO1984003734A1 (en) * | 1983-03-14 | 1984-09-27 | Gearhart Australia | Reinforcement of earth structures |
SE452043B (en) * | 1983-03-23 | 1987-11-09 | Johnson Construction Co Ab | LOOKED FOR EXPLOSION OF A MAIN LONG RANGE OF BACKGROUND |
SE452044B (en) * | 1983-03-23 | 1987-11-09 | Johnson Construction Co Ab | VIEW BY EXPLOSION OF SIGNIFICANTLY EXTENSIVE MOUNTAINS |
US4560206A (en) * | 1983-07-26 | 1985-12-24 | Occidental Oil Shale, Inc. | Method for explosively expanding a pillar |
US4498816A (en) * | 1983-08-25 | 1985-02-12 | United States Steel Corporation | Mine roof support system |
US4596496A (en) * | 1983-09-29 | 1986-06-24 | The Eastern Co. | Mine roof supporting truss system |
AU582140B2 (en) * | 1984-08-22 | 1989-03-16 | Excel Mining Systems, Inc. | Mine roof supporting truss system |
US4601616A (en) * | 1985-03-13 | 1986-07-22 | Jennmar Corporation | Roof support system for a mine and the method and tooling for providing the same |
US4630974A (en) * | 1985-03-13 | 1986-12-23 | Price & Adams | Roof support system for a mine and method for providing the same |
US4679967A (en) * | 1985-07-25 | 1987-07-14 | F. M. Locotos Co., Inc. | Truss bracket |
WO1989002008A1 (en) * | 1987-08-27 | 1989-03-09 | Integrated Support Systems Pty. Limited | Integrated support system |
US4934873A (en) * | 1988-08-08 | 1990-06-19 | Jennmar Corporation | Mine roof support utilizing roof anchors having eye-bolt heads |
US5193940A (en) * | 1991-08-23 | 1993-03-16 | Dyckerhoff & Widmann Ag | Mine roof support system |
US5378087A (en) * | 1991-09-25 | 1995-01-03 | Locotos; Frank M. | Mine roof support apparatus and method |
US5375946A (en) * | 1992-02-06 | 1994-12-27 | F. M. Locotos Equipment & Design Co. | Mine roof support apparatus and method |
US5302056A (en) * | 1992-10-16 | 1994-04-12 | Jennmar Corporation | Method and apparatus for supporting a mine roof |
US5466095A (en) * | 1993-06-10 | 1995-11-14 | Scott Investment Partners | Underground support system and method of support |
US5462391A (en) * | 1994-01-24 | 1995-10-31 | Scott Investment Partners | Mine roof support cribbing system |
US5584608A (en) * | 1994-07-05 | 1996-12-17 | Gillespie; Harvey D. | Anchored cable sling system |
US5624212A (en) * | 1994-07-05 | 1997-04-29 | Gillespie; Harvey D. | Anchored cable sling system |
US5836720A (en) * | 1996-06-03 | 1998-11-17 | Jennmar Corporation | Mine roof support system |
US5913641A (en) * | 1997-12-19 | 1999-06-22 | Dyckeroff & Widmann Ag Of Munich | Tensionable cable truss support system |
US6435778B1 (en) * | 2000-03-13 | 2002-08-20 | Triad Support Systems, Inc. | Cable truss system and related method of installation |
US7690868B2 (en) * | 2003-12-02 | 2010-04-06 | Dsi Ground Support Inc. | Cable coupler having retained wedges |
US7384216B2 (en) | 2004-09-16 | 2008-06-10 | Dywidag-Systems International Usa | Cable coupler having retained wedges |
CN100501129C (en) * | 2004-07-12 | 2009-06-17 | 中国矿业大学 | Truss supporting technology for ingredient top slope deformation control |
JP4843678B2 (en) * | 2006-09-28 | 2011-12-21 | 岡部株式会社 | Reinforcing bar anchor |
CN110486069B (en) * | 2019-09-10 | 2020-11-03 | 华北科技学院 | Large-mining-height coal wall caving control structure based on flexible reinforcement and construction equipment |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2667037A (en) * | 1949-08-24 | 1954-01-26 | Edward M Thomas | Suspension roof support |
US2771746A (en) * | 1952-05-05 | 1956-11-27 | Fischer August | Anchor structure for mines, tunnels and the like |
GB943667A (en) * | 1961-10-30 | 1963-12-04 | Oskar Heinrich Christoph Ecker | Improvements in arrangements for supporting mineral strata and other ground masses |
US3306051A (en) * | 1964-02-10 | 1967-02-28 | Howlett Machine Works | Rock bolt |
-
1969
- 1969-06-25 US US836440A patent/US3509726A/en not_active Expired - Lifetime
- 1969-11-19 AU AU64019/69A patent/AU448500B2/en not_active Expired
-
1970
- 1970-01-19 GB GB2493/70A patent/GB1272361A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU448500B2 (en) | 1971-05-20 |
US3509726A (en) | 1970-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |