DE3420885A1 - Einrichtung zur druckwasserbeaufschlagung von an schreitausbaugestellen angeordneten spruehduesen - Google Patents

Einrichtung zur druckwasserbeaufschlagung von an schreitausbaugestellen angeordneten spruehduesen

Info

Publication number
DE3420885A1
DE3420885A1 DE19843420885 DE3420885A DE3420885A1 DE 3420885 A1 DE3420885 A1 DE 3420885A1 DE 19843420885 DE19843420885 DE 19843420885 DE 3420885 A DE3420885 A DE 3420885A DE 3420885 A1 DE3420885 A1 DE 3420885A1
Authority
DE
Germany
Prior art keywords
pressure
spray nozzles
self
advancing
feed line
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.)
Withdrawn
Application number
DE19843420885
Other languages
English (en)
Inventor
Walter Weirich
Bernd Peters
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
Priority to DE19843420885 priority Critical patent/DE3420885A1/de
Publication of DE3420885A1 publication Critical patent/DE3420885A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
DE19843420885 1984-06-05 1984-06-05 Einrichtung zur druckwasserbeaufschlagung von an schreitausbaugestellen angeordneten spruehduesen Withdrawn DE3420885A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843420885 DE3420885A1 (de) 1984-06-05 1984-06-05 Einrichtung zur druckwasserbeaufschlagung von an schreitausbaugestellen angeordneten spruehduesen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843420885 DE3420885A1 (de) 1984-06-05 1984-06-05 Einrichtung zur druckwasserbeaufschlagung von an schreitausbaugestellen angeordneten spruehduesen

Publications (1)

Publication Number Publication Date
DE3420885A1 true DE3420885A1 (de) 1985-12-05

Family

ID=6237657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843420885 Withdrawn DE3420885A1 (de) 1984-06-05 1984-06-05 Einrichtung zur druckwasserbeaufschlagung von an schreitausbaugestellen angeordneten spruehduesen

Country Status (1)

Country Link
DE (1) DE3420885A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802992A1 (de) * 1988-02-02 1989-08-10 Gewerk Eisenhuette Westfalia Beduesungsventilvorrichtung fuer die staubbekaempfung in untertaegigen raeumen, insbesondere in untertagebetrieben mit hydraulischen ausbaueinheiten
CN105019930A (zh) * 2015-07-02 2015-11-04 平煤神马机械装备集团河南矿机有限公司 一种矿用液压支架组装平台
CN111237014A (zh) * 2019-10-29 2020-06-05 北京天地玛珂电液控制系统有限公司 一种用于采煤工作面的水介质保障系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802992A1 (de) * 1988-02-02 1989-08-10 Gewerk Eisenhuette Westfalia Beduesungsventilvorrichtung fuer die staubbekaempfung in untertaegigen raeumen, insbesondere in untertagebetrieben mit hydraulischen ausbaueinheiten
CN105019930A (zh) * 2015-07-02 2015-11-04 平煤神马机械装备集团河南矿机有限公司 一种矿用液压支架组装平台
CN105019930B (zh) * 2015-07-02 2017-03-08 平煤神马机械装备集团河南矿机有限公司 一种矿用液压支架组装平台
CN111237014A (zh) * 2019-10-29 2020-06-05 北京天地玛珂电液控制系统有限公司 一种用于采煤工作面的水介质保障系统

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: GEWERKSCHAFT EISENHUETTE WESTFALIA GMBH, 4670 LUEN

8141 Disposal/no request for examination