GB1069901A - Improvements relating to roof supports for mine workings - Google Patents
Improvements relating to roof supports for mine workingsInfo
- Publication number
- GB1069901A GB1069901A GB20045/64A GB2004564A GB1069901A GB 1069901 A GB1069901 A GB 1069901A GB 20045/64 A GB20045/64 A GB 20045/64A GB 2004564 A GB2004564 A GB 2004564A GB 1069901 A GB1069901 A GB 1069901A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof supports
- improvements relating
- mine workings
- indicating device
- load indicating
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
- E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
Abstract
1,069,901. Advancing mine roof supports. K.M. GROETSCHEL. May 14, 1964 [Aug.29, 1963], No. 20045/64. Addition to 1, 037. 915. Heading F1P. An advancing mine roof support as disclosed In Specification 1, 037, 915 is provided with a load indicating device or strain gauge comprising a pointer X29 fixed to the roof and an associated scale X30. For practical details of the load indicating device Figs. 5-8 (not shown) should be referred to whilst Figs. 9 and 10 (not shown) disclose an arrangement applicable to other forms of pit props.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0038575 | 1963-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1069901A true GB1069901A (en) | 1967-05-24 |
Family
ID=7125932
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20047/64A Expired GB1069902A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20042/64A Expired GB1059682A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20045/64A Expired GB1069901A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20049/64A Expired GB1069903A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20051/64A Expired GB1069904A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20053/64A Expired GB1069905A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20047/64A Expired GB1069902A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20042/64A Expired GB1059682A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20049/64A Expired GB1069903A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20051/64A Expired GB1069904A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
GB20053/64A Expired GB1069905A (en) | 1963-08-29 | 1964-05-14 | Improvements relating to roof supports for mine workings |
Country Status (4)
Country | Link |
---|---|
US (1) | US3371901A (en) |
AT (1) | AT273013B (en) |
DE (1) | DE1289506C2 (en) |
GB (6) | GB1069902A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1216953A (en) * | 1968-10-12 | 1970-12-23 | Gewerk Eisenhuette Westfalia | Improvements in support assemblies for mineral mines |
US3932082A (en) * | 1974-01-21 | 1976-01-13 | Beaman Samuel W | Means for forming a reinforced concrete module |
DE3215924C1 (en) * | 1982-03-11 | 1988-01-21 | Bergwerksverband Gmbh, 4300 Essen | Device for offset compaction in the area of the slopes |
DE3238710C2 (en) * | 1982-10-19 | 1986-10-23 | TRW Repa GmbH, 7077 Alfdorf | Drive device with a piston driven pyrotechnically in a cylinder |
US5026218A (en) * | 1989-11-16 | 1991-06-25 | Joy Technologies Inc. | Temporary roof support cylinder |
US20080056853A1 (en) * | 2006-09-05 | 2008-03-06 | David Willis | Mechanical load bearing device |
US11040512B2 (en) | 2017-11-08 | 2021-06-22 | Northrop Grumman Systems Corporation | Composite structures, forming apparatuses and related systems and methods |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE532796A (en) * | ||||
US2910281A (en) * | 1956-10-19 | 1959-10-27 | Rheinstahl Wanheim Gmbh | Prop and conveyer arrangement for mines |
US2987290A (en) * | 1956-12-03 | 1961-06-06 | Haarmann Arnold | Prop arrangement for mines |
GB985401A (en) * | 1961-05-13 | 1965-03-10 | Rheinstahl Wanheim Gmbh | Improvements in advanceable mine roof support assemblies |
NL290436A (en) * | 1962-03-20 |
-
1963
- 1963-08-29 DE DE19631289506 patent/DE1289506C2/en not_active Expired
-
1964
- 1964-05-14 AT AT423464A patent/AT273013B/en active
- 1964-05-14 GB GB20047/64A patent/GB1069902A/en not_active Expired
- 1964-05-14 GB GB20042/64A patent/GB1059682A/en not_active Expired
- 1964-05-14 GB GB20045/64A patent/GB1069901A/en not_active Expired
- 1964-05-14 GB GB20049/64A patent/GB1069903A/en not_active Expired
- 1964-05-14 GB GB20051/64A patent/GB1069904A/en not_active Expired
- 1964-05-14 GB GB20053/64A patent/GB1069905A/en not_active Expired
- 1964-08-25 US US392002A patent/US3371901A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1069904A (en) | 1967-05-24 |
GB1059682A (en) | 1967-02-22 |
DE1289506C2 (en) | 1974-03-28 |
US3371901A (en) | 1968-03-05 |
GB1069905A (en) | 1967-05-24 |
DE1289506B (en) | 1969-02-20 |
AT273013B (en) | 1969-07-25 |
GB1069903A (en) | 1967-05-24 |
GB1069902A (en) | 1967-05-24 |
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