GB1553693A - Device for supplying and drawing off hydraulic props - Google Patents

Device for supplying and drawing off hydraulic props

Info

Publication number
GB1553693A
GB1553693A GB2341376A GB2341376A GB1553693A GB 1553693 A GB1553693 A GB 1553693A GB 2341376 A GB2341376 A GB 2341376A GB 2341376 A GB2341376 A GB 2341376A GB 1553693 A GB1553693 A GB 1553693A
Authority
GB
United Kingdom
Prior art keywords
supplying
hydraulic props
props
hydraulic
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
GB2341376A
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.)
MASZYN WIERTNCZYH I GORNICZYCH
Original Assignee
MASZYN WIERTNCZYH I GORNICZYCH
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 MASZYN WIERTNCZYH I GORNICZYCH filed Critical MASZYN WIERTNCZYH I GORNICZYCH
Publication of GB1553693A publication Critical patent/GB1553693A/en
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
    • E21D15/60—Devices for withdrawing props or chocks
    • E21D15/603—Devices for withdrawing props or chocks by means of hydraulic devices
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important

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)
  • Fluid-Pressure Circuits (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Portable Nailing Machines And Staplers (AREA)
GB2341376A 1975-06-07 1976-06-07 Device for supplying and drawing off hydraulic props Expired GB1553693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL18104675A PL100937B1 (pl) 1975-06-07 1975-06-07 Przyrzad do zasilania i rabowania stojakow hydraulicznych

Publications (1)

Publication Number Publication Date
GB1553693A true GB1553693A (en) 1979-09-26

Family

ID=19972446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2341376A Expired GB1553693A (en) 1975-06-07 1976-06-07 Device for supplying and drawing off hydraulic props

Country Status (4)

Country Link
CS (1) CS183841B2 (cs)
DE (1) DE2625299C3 (cs)
GB (1) GB1553693A (cs)
PL (1) PL100937B1 (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723634C2 (de) * 1987-07-17 1995-12-21 Heinz Lewin Fa Setzeinrichtung zum Befüllen und Entleeren von hydraulischen Einzelstempeln im untertägigen Berg- und Tunnelbau
DE3935188A1 (de) * 1989-10-23 1991-05-02 Joern Dams Maschf Setzpistole zur hydraulischen entsperrung eines sperrventils zum rauben innerhalb eines einzelstempelventils
DE4323462C2 (de) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil

Also Published As

Publication number Publication date
DE2625299C3 (de) 1980-07-24
DE2625299B2 (de) 1979-11-22
DE2625299A1 (de) 1976-12-23
PL100937B1 (pl) 1978-11-30
CS183841B2 (en) 1978-07-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee