CA958724A - Monitor for digging coal - Google Patents

Monitor for digging coal

Info

Publication number
CA958724A
CA958724A CA155,745A CA155745A CA958724A CA 958724 A CA958724 A CA 958724A CA 155745 A CA155745 A CA 155745A CA 958724 A CA958724 A CA 958724A
Authority
CA
Canada
Prior art keywords
monitor
digging coal
digging
coal
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
CA155,745A
Other versions
CA155745S (en
Inventor
Masami Yamamoto
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.)
Mitsui Mining Co Ltd
Nihon Kikai Kogyo Co Ltd
Original Assignee
Mitsui Mining Co Ltd
Nihon Kikai Kogyo Co Ltd
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 Mitsui Mining Co Ltd, Nihon Kikai Kogyo Co Ltd filed Critical Mitsui Mining Co Ltd
Application granted granted Critical
Publication of CA958724A publication Critical patent/CA958724A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/14—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with oscillating elements; with intermittent operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Ship Loading And Unloading (AREA)
CA155,745A 1971-11-12 1972-10-31 Monitor for digging coal Expired CA958724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9043571A JPS5333923B2 (en) 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
CA958724A true CA958724A (en) 1974-12-03

Family

ID=13998514

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,745A Expired CA958724A (en) 1971-11-12 1972-10-31 Monitor for digging coal

Country Status (3)

Country Link
US (1) US3809318A (en)
JP (1) JPS5333923B2 (en)
CA (1) CA958724A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3522122A1 (en) * 1984-06-25 1986-01-02 Conoco Inc., Ponca City, Okla. DEVICE FOR PROTECTING A WATER TOWER AGAINST FALLING DROP

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU567813A1 (en) * 1974-12-09 1977-08-05 Всесоюзный научно-исследовательский и проектно-конструкторский институт добычи угля гидравлическим способом Mechanically-hydraulically actuated coal cutter-loader
US4708395A (en) * 1984-11-05 1987-11-24 Conoco Inc. Remotely sensing of excavation cavity during mining
US4732106A (en) * 1986-07-22 1988-03-22 Milad Anis I Steering control for submarines and the like
US6832734B2 (en) 2001-04-25 2004-12-21 Southwest Research Institute Media discharge device
US8191972B2 (en) * 2004-10-27 2012-06-05 Mac & Mac Hydrodemolition Inc. Hydrodemolition machine for inclined surfaces
US8814274B2 (en) * 2004-10-27 2014-08-26 Gerard J. MacNeil Machine and method for deconstructing a vertical wall
US8827373B2 (en) * 2010-02-03 2014-09-09 Mac & Mac Hydrodemolition Inc. Top-down hydro-demolition system with rigid support frame

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US803587A (en) * 1904-01-19 1905-11-07 Robert G Hanford Dredging apparatus.
US965709A (en) * 1909-03-09 1910-07-26 Milton H Hart Nozzle for fire-fighting apparatus.
US2111553A (en) * 1936-10-15 1938-03-22 Chew Yee Lain Mining monitor or nozzle
US2698664A (en) * 1951-12-01 1955-01-04 Rockwood Sprinkler Co Fire-fighting turret

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3522122A1 (en) * 1984-06-25 1986-01-02 Conoco Inc., Ponca City, Okla. DEVICE FOR PROTECTING A WATER TOWER AGAINST FALLING DROP
US4580725A (en) * 1984-06-25 1986-04-08 Conoco Inc. Hydraulic monitor protection apparatus

Also Published As

Publication number Publication date
US3809318A (en) 1974-05-07
JPS4855102A (en) 1973-08-02
JPS5333923B2 (en) 1978-09-18

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