ES346554A1 - Dispositivo de valvula para estemples hidraulicos de mina. - Google Patents

Dispositivo de valvula para estemples hidraulicos de mina.

Info

Publication number
ES346554A1
ES346554A1 ES346554A ES346554A ES346554A1 ES 346554 A1 ES346554 A1 ES 346554A1 ES 346554 A ES346554 A ES 346554A ES 346554 A ES346554 A ES 346554A ES 346554 A1 ES346554 A1 ES 346554A1
Authority
ES
Spain
Prior art keywords
valve
piston
valve device
diameter
pressure member
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
ES346554A
Other languages
English (en)
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.)
BWG Bergwerk und Walzwerk Maschinenbau GmbH
Original Assignee
BWG Bergwerk und Walzwerk Maschinenbau GmbH
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 BWG Bergwerk und Walzwerk Maschinenbau GmbH filed Critical BWG Bergwerk und Walzwerk Maschinenbau GmbH
Publication of ES346554A1 publication Critical patent/ES346554A1/es
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
ES346554A 1967-09-02 1967-10-28 Dispositivo de valvula para estemples hidraulicos de mina. Expired ES346554A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0094284 1967-09-02

Publications (1)

Publication Number Publication Date
ES346554A1 true ES346554A1 (es) 1969-02-01

Family

ID=6987476

Family Applications (1)

Application Number Title Priority Date Filing Date
ES346554A Expired ES346554A1 (es) 1967-09-02 1967-10-28 Dispositivo de valvula para estemples hidraulicos de mina.

Country Status (2)

Country Link
DE (1) DE1583067B1 (es)
ES (1) ES346554A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636794C2 (de) * 1975-09-09 1982-06-09 Voest-Alpine AG, 1011 Wien Gebirgsschlagventil für hydraulische Grubenausbauelemente
FR2599806B1 (fr) * 1986-06-10 1988-11-04 Douaisis Sabes Stephanoise Valve pour etancon a fluide ou organe analogue

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091066B (de) * 1959-05-05 1960-10-20 Gewerk Eisenhuette Westfalia Bewetterungseinrichtung an einem Langfoerderer
DE1193463B (de) * 1961-11-30 1965-05-26 Wilhelm Steinkopf UEberdruckventil fuer einen hydraulischen Grubenstempel
GB1050951A (es) * 1963-01-26

Also Published As

Publication number Publication date
DE1583067B1 (de) 1970-11-19

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