PL86438B1 - - Google Patents

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Publication number
PL86438B1
PL86438B1 PL1973163950A PL16395073A PL86438B1 PL 86438 B1 PL86438 B1 PL 86438B1 PL 1973163950 A PL1973163950 A PL 1973163950A PL 16395073 A PL16395073 A PL 16395073A PL 86438 B1 PL86438 B1 PL 86438B1
Authority
PL
Poland
Prior art keywords
valve
pressure
hydraulic
housing
shut
Prior art date
Application number
PL1973163950A
Other languages
English (en)
Polish (pl)
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 filed Critical
Publication of PL86438B1 publication Critical patent/PL86438B1/pl

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/02Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/22Equipment for preventing the formation of, or for removal of, dust
    • E21C35/226Control valves for the spraying liquid used in dust suppression systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Burglar Alarm Systems (AREA)
  • Safety Valves (AREA)
  • Earth Drilling (AREA)
PL1973163950A 1973-02-03 1973-07-10 PL86438B1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2305361A DE2305361A1 (de) 1973-02-03 1973-02-03 Vorrichtung zur automatischen wasserbeduesung in bergbau-gewinnungsbetrieben

Publications (1)

Publication Number Publication Date
PL86438B1 true PL86438B1 (cs) 1976-05-31

Family

ID=5870867

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1973163950A PL86438B1 (cs) 1973-02-03 1973-07-10

Country Status (8)

Country Link
US (1) US3859801A (cs)
BE (1) BE802617A (cs)
CS (1) CS175357B2 (cs)
DE (1) DE2305361A1 (cs)
ES (1) ES192697Y (cs)
FR (1) FR2216435B1 (cs)
GB (1) GB1459246A (cs)
PL (1) PL86438B1 (cs)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052035A (en) * 1975-11-20 1977-10-04 Conservocon, Inc. Remotely-controlled valve
DE3010415A1 (de) * 1980-03-19 1981-09-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Vorrichtung zur staubbekaempfung in einem streb
DE3104362A1 (de) * 1981-02-07 1982-08-19 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulisch entsperrbares rueckschlagventil fuer hydraulische hochdrucksysteme, insbesondere fuer hydraulische ausbausysteme in bergbau-untertagebetrieben
DE3111435A1 (de) * 1981-03-24 1982-10-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulisch entsperrbares rueckschlagventil fuer hydraulische hochdrucksysteme, insbesondere fuer hydraulische ausbausysteme in bergbau-untertagebetrieben
DE3317449C2 (de) * 1983-05-13 1986-07-03 Ecker Maschinenbau GmbH, 6680 Neunkirchen Sprühventil für die Gruppenbedüsung des Schildausbaues
DE3530361A1 (de) * 1985-08-24 1987-02-26 Gag Grubenausbau Gmbh Beduesungsventil
DE4123610C2 (de) * 1991-07-17 1994-04-28 Vos Richard Grubenausbau Gmbh Einstellbares Bedüsungsventil
DE4323462C2 (de) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil
AU2016259352B2 (en) 2015-12-04 2022-06-30 Joy Global Underground Mining Llc Spray nozzle for underground roof support
CN113195870B (zh) 2018-10-29 2024-04-23 久益环球地下采矿有限责任公司 顶板支架连接器
CN111022075B (zh) * 2019-10-29 2021-02-12 中铁五局集团第一工程有限责任公司 一种隧道设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693950A (en) * 1950-01-12 1954-11-09 Joy Mfg Co Dust wetting and removing apparatus
US2938347A (en) * 1957-10-30 1960-05-31 Malcolm B Sturgis Power source for hydraulically operated devices
US3813126A (en) * 1972-10-02 1974-05-28 Bendix Corp Continuously operable underground mining vehicle

Also Published As

Publication number Publication date
FR2216435B1 (cs) 1977-05-13
GB1459246A (en) 1976-12-22
CS175357B2 (cs) 1977-05-31
BE802617A (fr) 1973-11-16
ES192697U (es) 1974-09-16
FR2216435A1 (cs) 1974-08-30
DE2305361A1 (de) 1974-08-08
ES192697Y (es) 1975-01-01
US3859801A (en) 1975-01-14

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