JPS542884B2 - - Google Patents

Info

Publication number
JPS542884B2
JPS542884B2 JP13122674A JP13122674A JPS542884B2 JP S542884 B2 JPS542884 B2 JP S542884B2 JP 13122674 A JP13122674 A JP 13122674A JP 13122674 A JP13122674 A JP 13122674A JP S542884 B2 JPS542884 B2 JP S542884B2
Authority
JP
Japan
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
JP13122674A
Other versions
JPS5080902A (ja
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 JPS5080902A publication Critical patent/JPS5080902A/ja
Publication of JPS542884B2 publication Critical patent/JPS542884B2/ja
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
    • E21F5/04—Spraying barriers

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)
  • Lining And Supports For Tunnels (AREA)
  • Sealing Devices (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP13122674A 1973-11-17 1974-11-15 Expired JPS542884B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732357533 DE2357533B2 (de) 1973-11-17 1973-11-17 Vorrichtung zur staubbekaempfung bei einem schildausbau

Publications (2)

Publication Number Publication Date
JPS5080902A JPS5080902A (ja) 1975-07-01
JPS542884B2 true JPS542884B2 (ja) 1979-02-15

Family

ID=5898421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13122674A Expired JPS542884B2 (ja) 1973-11-17 1974-11-15

Country Status (5)

Country Link
US (1) US3906733A (ja)
JP (1) JPS542884B2 (ja)
CA (1) CA1010397A (ja)
DE (1) DE2357533B2 (ja)
HU (1) HU173378B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU869566A3 (ru) * 1975-10-16 1981-09-30 Херманн Хемшайдт Машиненфабрик (Фирма) Механизированна крепь
DE2721653C2 (de) * 1977-05-13 1985-05-15 Ruhrkohle Ag, 4300 Essen Vorrichtung für die Wetterkühlung im Untertagebergbau mit an Ausbaueinheiten anbringbaren Kühlmittelträgern
DE2849656A1 (de) * 1977-11-19 1979-05-23 Winster Eng Ltd Druckfluessigkeitszufuehrsystem fuer den bergbau
FR2442960A1 (fr) * 1978-11-30 1980-06-27 Boldry Bernard Dispositif de suppression des poussieres par pulverisation d'eau dans un tambour rotatif
DE3010415A1 (de) * 1980-03-19 1981-09-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Vorrichtung zur staubbekaempfung in einem streb
CA1238792A (en) * 1984-03-31 1988-07-05 Walter Lindorfer Process for dumping of particulate solid or pumpable solid and liquid waste materials in underground salt enclosed cavities, in particular salt caverns
US4826514A (en) * 1987-06-23 1989-05-02 Griffis Steven C Apparatus for dampening hazardous material
US4786296A (en) * 1987-06-23 1988-11-22 Griffis Steven C Apparatus for use in asbestos removal
US5368433A (en) * 1993-07-14 1994-11-29 Environmental Procedures, Inc. Drum dumper
CN102182858B (zh) * 2011-04-25 2014-02-19 淮南润成科技股份有限公司 矿用一体化电磁阀及其控制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620142A (en) * 1925-04-24 1927-03-08 Albert T Walraven Fire extinguisher
US2963284A (en) * 1957-02-21 1960-12-06 Swift & Co Apparatus for producing a fine spray, fog, or mist

Also Published As

Publication number Publication date
HU173378B (hu) 1979-04-28
DE2357533A1 (de) 1975-05-22
DE2357533B2 (de) 1976-06-24
AU7482474A (en) 1976-05-06
JPS5080902A (ja) 1975-07-01
US3906733A (en) 1975-09-23
CA1010397A (en) 1977-05-17

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