FR2414118B1 - - Google Patents

Info

Publication number
FR2414118B1
FR2414118B1 FR7836078A FR7836078A FR2414118B1 FR 2414118 B1 FR2414118 B1 FR 2414118B1 FR 7836078 A FR7836078 A FR 7836078A FR 7836078 A FR7836078 A FR 7836078A FR 2414118 B1 FR2414118 B1 FR 2414118B1
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
Application number
FR7836078A
Other versions
FR2414118A1 (fr
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of FR2414118A1 publication Critical patent/FR2414118A1/fr
Application granted granted Critical
Publication of FR2414118B1 publication Critical patent/FR2414118B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/07—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of multiple interengaging protrusions on the surfaces, e.g. hooks, coils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/69—Redundant disconnection blocking means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7045—Interdigitated ends
FR7836078A 1978-01-05 1978-12-22 Semelle pour chassis de soutenement d'exploitation d'abattage de mineraux au fond Granted FR2414118A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782800376 DE2800376A1 (de) 1978-01-05 1978-01-05 Liegendkufe fuer ein ausbaugestell einer untertaegigen mineralgewinnungsanlage

Publications (2)

Publication Number Publication Date
FR2414118A1 FR2414118A1 (fr) 1979-08-03
FR2414118B1 true FR2414118B1 (fr) 1983-03-04

Family

ID=6028996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836078A Granted FR2414118A1 (fr) 1978-01-05 1978-12-22 Semelle pour chassis de soutenement d'exploitation d'abattage de mineraux au fond

Country Status (3)

Country Link
US (1) US4266891A (fr)
DE (1) DE2800376A1 (fr)
FR (1) FR2414118A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3150127C1 (de) * 1981-12-18 1983-05-05 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Wannenartiger Befahrungsbuegel
US5312206A (en) * 1991-11-25 1994-05-17 Long-Airdox Company High lift temporary roof support for mines
US5156497A (en) * 1991-11-25 1992-10-20 Simmons-Rand Company Temporary roof support for mines
CN105240039A (zh) 2015-10-29 2016-01-13 中国矿业大学 浮摇式液压支架
CN105221177B (zh) * 2015-10-29 2018-11-16 中国矿业大学 四柱浮摇式液压支架
CN109838265B (zh) * 2019-03-18 2024-04-02 中国矿业大学 一种沿空留巷端头支架迁移时保护顶板托盘的装置
CN112127929B (zh) * 2020-09-20 2022-05-13 内蒙古福城矿业有限公司 一种近距离采空区下含夹矸厚煤层综放开采顶煤回收装置及其实现方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483032A (en) * 1945-06-06 1949-09-27 Electric Steel Foundry Excavating tooth
DE1033613B (de) * 1946-07-23 1958-07-10 Dipl Berging Karl Maria Groets Schloss von gelenkig miteinander verbundenen Schaleisen fuer den wanderden Strebausbau
US2991097A (en) * 1948-07-08 1961-07-04 Vanwersch Aloys Connecting structure for beams of a roof support or the like
DE2257828C2 (de) * 1972-11-25 1974-01-17 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Vorrichtung zum schildartigen Ausbau von untertägigen Gewinnungsbetrieben
DE2331309B2 (de) * 1973-06-20 1975-04-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbaugestell mit Führungsvorrichtung
GB1504883A (en) * 1974-06-04 1978-03-22 Gullick Dobson Ltd Mine roof supports
US3961487A (en) * 1974-11-09 1976-06-08 Bochumer Eisenhutte Heintzmonn, & Co. Mine roof support
GB1516851A (en) * 1975-04-04 1978-07-05 Gullick Dobson Ltd Mine roof supports

Also Published As

Publication number Publication date
DE2800376A1 (de) 1979-07-19
US4266891A (en) 1981-05-12
FR2414118A1 (fr) 1979-08-03

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Legal Events

Date Code Title Description
ST Notification of lapse