YU206885A - Valve for single supports with central washer - Google Patents

Valve for single supports with central washer

Info

Publication number
YU206885A
YU206885A YU206885A YU206885A YU206885A YU 206885 A YU206885 A YU 206885A YU 206885 A YU206885 A YU 206885A YU 206885 A YU206885 A YU 206885A YU 206885 A YU206885 A YU 206885A
Authority
YU
Yugoslavia
Prior art keywords
valve
central washer
single supports
supports
washer
Prior art date
Application number
YU206885A
Inventor
P Naundorf
E Mateja
Original Assignee
Thyssen Industrie
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 Thyssen Industrie filed Critical Thyssen Industrie
Publication of YU206885A publication Critical patent/YU206885A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Safety Valves (AREA)
YU206885A 1985-02-13 1985-12-30 Valve for single supports with central washer YU206885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853504878 DE3504878A1 (en) 1985-02-13 1985-02-13 Individual-prop valve with central seal

Publications (1)

Publication Number Publication Date
YU206885A true YU206885A (en) 1989-02-28

Family

ID=6262395

Family Applications (1)

Application Number Title Priority Date Filing Date
YU206885A YU206885A (en) 1985-02-13 1985-12-30 Valve for single supports with central washer

Country Status (4)

Country Link
DE (1) DE3504878A1 (en)
HU (1) HUT42585A (en)
PL (1) PL256849A1 (en)
YU (1) YU206885A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3935187A1 (en) * 1989-10-23 1991-05-02 Joern Dams Maschf Hydraulic pit prop control value - has piston with three sets of holes for check blocking and pressure limiting valves
DE4140317C2 (en) * 1991-12-06 1995-03-23 Vos Richard Grubenausbau Gmbh Valve arrangement for single punch expansion in underground mining and tunneling
DE4322912C2 (en) * 1993-06-30 1998-09-24 Vos Richard Grubenausbau Gmbh Filling and robbery valve with liquid return for the single plunger expansion used in underground mining and tunneling
DE4323462C2 (en) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Removal stamp for underground use with integrated pressure relief valve
US11125443B2 (en) 2018-11-20 2021-09-21 Midea Group Co., Ltd. Method and apparatus for a manual gas valve

Also Published As

Publication number Publication date
DE3504878A1 (en) 1986-08-14
PL256849A1 (en) 1987-01-12
HUT42585A (en) 1987-07-28

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