GB1059682A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
GB1059682A
GB1059682A GB20042/64A GB2004264A GB1059682A GB 1059682 A GB1059682 A GB 1059682A GB 20042/64 A GB20042/64 A GB 20042/64A GB 2004264 A GB2004264 A GB 2004264A GB 1059682 A GB1059682 A GB 1059682A
Authority
GB
United Kingdom
Prior art keywords
roof supports
improvements relating
mine workings
roof
groetschel
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
Application number
GB20042/64A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1059682A publication Critical patent/GB1059682A/en
Expired legal-status Critical Current

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

1,059,682. Advancing mine roof supports. K. M. GROETSCHEL. May 14, 1964 [Aug. 29, 1963], No. 20042/64. Addition to 1,037,913. Heading EIE. A multi-stage hydraulic pit prop 11, 12, 18 as claimed in the parent Specification is modified by incorporating resilient means such as a spring assembly 44 therein for selectively absorbing part of the preload thereon. For various minor modifications and various arrangements of roof engaging structures including pivotal fore poling bars, the Specification and Figs. 5- 9, (not shown), should be referred to.
GB20042/64A 1963-08-29 1964-05-14 Improvements relating to roof supports for mine workings Expired GB1059682A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0038575 1963-08-29

Publications (1)

Publication Number Publication Date
GB1059682A true GB1059682A (en) 1967-02-22

Family

ID=7125932

Family Applications (6)

Application Number Title Priority Date Filing Date
GB20042/64A Expired GB1059682A (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
GB20049/64A Expired GB1069903A (en) 1963-08-29 1964-05-14 Improvements relating to roof supports for mine workings
GB20047/64A Expired GB1069902A (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
GB20053/64A Expired GB1069905A (en) 1963-08-29 1964-05-14 Improvements relating to roof supports for mine workings

Family Applications After (5)

Application Number Title Priority Date Filing Date
GB20051/64A Expired GB1069904A (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
GB20047/64A Expired GB1069902A (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
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) GB1059682A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129496A (en) * 1982-10-19 1984-05-16 Repa Feinstanzwerk Gmbh Drive device
US11040512B2 (en) 2017-11-08 2021-06-22 Northrop Grumman Systems Corporation Composite structures, forming apparatuses and related systems and methods

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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
US5026218A (en) * 1989-11-16 1991-06-25 Joy Technologies Inc. Temporary roof support cylinder
AU2007216628A1 (en) * 2006-09-05 2008-03-20 David Willis A Mechanical Load Bearing Device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129496A (en) * 1982-10-19 1984-05-16 Repa Feinstanzwerk Gmbh Drive device
US11040512B2 (en) 2017-11-08 2021-06-22 Northrop Grumman Systems Corporation Composite structures, forming apparatuses and related systems and methods

Also Published As

Publication number Publication date
GB1069904A (en) 1967-05-24
DE1289506B (en) 1969-02-20
GB1069903A (en) 1967-05-24
DE1289506C2 (en) 1974-03-28
GB1069902A (en) 1967-05-24
US3371901A (en) 1968-03-05
GB1069905A (en) 1967-05-24
AT273013B (en) 1969-07-25
GB1069901A (en) 1967-05-24

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