YU35181B - Safety supporting aggregate - Google Patents

Safety supporting aggregate

Info

Publication number
YU35181B
YU35181B YU244872A YU244872A YU35181B YU 35181 B YU35181 B YU 35181B YU 244872 A YU244872 A YU 244872A YU 244872 A YU244872 A YU 244872A YU 35181 B YU35181 B YU 35181B
Authority
YU
Yugoslavia
Prior art keywords
safety supporting
supporting aggregate
aggregate
safety
supporting
Prior art date
Application number
YU244872A
Other versions
YU244872A (en
Inventor
Martinko Matyas
Matyas Martinko
Martos Ferenc
Ferenc Martos
Hazai Karoly
Karoly Hazai
Original Assignee
Banyaszati Kutato Intezet
Varpalotai Szenbanyak
Orszagos Banyagergyarto Vallal
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 Banyaszati Kutato Intezet, Varpalotai Szenbanyak, Orszagos Banyagergyarto Vallal filed Critical Banyaszati Kutato Intezet
Publication of YU244872A publication Critical patent/YU244872A/en
Publication of YU35181B publication Critical patent/YU35181B/en

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
    • E21D23/04—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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/063—Retractable cantilever extensions therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding type

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
YU244872A 1971-09-28 1972-09-27 Safety supporting aggregate YU35181B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBA002649 HU176912B (en) 1971-09-28 1971-09-28 Stepping shield supporting device

Publications (2)

Publication Number Publication Date
YU244872A YU244872A (en) 1979-12-31
YU35181B true YU35181B (en) 1980-09-25

Family

ID=10993334

Family Applications (1)

Application Number Title Priority Date Filing Date
YU244872A YU35181B (en) 1971-09-28 1972-09-27 Safety supporting aggregate

Country Status (11)

Country Link
JP (1) JPS565920B2 (en)
AT (1) AT320565B (en)
BE (1) BE789315A (en)
CS (1) CS157005B2 (en)
DE (2) DE2244911C3 (en)
ES (1) ES407051A1 (en)
GB (1) GB1381198A (en)
HU (1) HU176912B (en)
PL (1) PL78410B1 (en)
RO (1) RO60607A (en)
YU (1) YU35181B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5833532B2 (en) * 1975-02-26 1983-07-20 キヤノン株式会社 Daiko Key Zoom Lens
DE2634014C3 (en) * 1976-07-29 1981-03-26 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Shield support frame
JPS53131852A (en) * 1977-04-22 1978-11-17 Nippon Chemical Ind Tele zoom lens
JPS60419A (en) * 1984-04-20 1985-01-05 Nippon Kogaku Kk <Nikon> Telephoto zoom lens
JPH0629907B2 (en) * 1985-08-22 1994-04-20 キヤノン株式会社 Zoom lens with large aperture ratio
CN101943016A (en) * 2010-08-17 2011-01-12 天地科技股份有限公司 Novel shielding full-mechanized mining hydraulic bracket for extremely thin coal bed
CN104858007B (en) * 2015-06-04 2017-08-18 中煤张家口煤矿机械有限责任公司 Fully-mechanized mining working conveying unloading area electricity is straight to drive toothed roller type continuous crushing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257722B (en) * 1966-02-16 1968-01-04 Hansjoachim Von Hippel Dr Ing Stamp extension that can be moved under load
FR1503990A (en) * 1966-10-11 1967-12-01 Bennes Marrel Improvements to support piles, especially for mines or underground work sites

Also Published As

Publication number Publication date
YU244872A (en) 1979-12-31
BE789315A (en) 1973-01-15
ES407051A1 (en) 1975-11-16
RO60607A (en) 1976-10-15
AT320565B (en) 1975-02-25
CS157005B2 (en) 1974-08-23
DE2244911C3 (en) 1981-08-20
JPS565920B2 (en) 1981-02-07
DE2244911B2 (en) 1980-10-02
HU176912B (en) 1981-06-28
JPS4841902A (en) 1973-06-19
GB1381198A (en) 1975-01-22
DE7233741U (en) 1982-07-15
PL78410B1 (en) 1975-06-30
DE2244911A1 (en) 1973-04-05

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