PL108022B1 - Stojak kopalniany hydrauliczny hydraulic mining prop - Google Patents

Stojak kopalniany hydrauliczny hydraulic mining prop Download PDF

Info

Publication number
PL108022B1
PL108022B1 PL1976186559A PL18655976A PL108022B1 PL 108022 B1 PL108022 B1 PL 108022B1 PL 1976186559 A PL1976186559 A PL 1976186559A PL 18655976 A PL18655976 A PL 18655976A PL 108022 B1 PL108022 B1 PL 108022B1
Authority
PL
Poland
Prior art keywords
stand
core box
valve housing
head
ribs
Prior art date
Application number
PL1976186559A
Other languages
English (en)
Polish (pl)
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 filed Critical
Publication of PL108022B1 publication Critical patent/PL108022B1/pl

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/44Hydraulic, pneumatic, or hydraulic-pneumatic props
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E02D17/086Travelling trench shores
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • E04G2025/047Shores or struts; Chocks telescopic which telescoping action effected by a piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Safety Valves (AREA)
  • Actuator (AREA)
  • Check Valves (AREA)
  • Fluid-Damping Devices (AREA)
PL1976186559A 1975-01-15 1976-01-15 Stojak kopalniany hydrauliczny hydraulic mining prop PL108022B1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76BA3188A HU171077B (hu) 1975-01-15 1975-01-15 Gidravlicheskaja shakhtnaja stojka

Publications (1)

Publication Number Publication Date
PL108022B1 true PL108022B1 (pl) 1980-03-31

Family

ID=10993392

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1976186559A PL108022B1 (pl) 1975-01-15 1976-01-15 Stojak kopalniany hydrauliczny hydraulic mining prop

Country Status (11)

Country Link
AT (3) AT350026B (cs)
BE (1) BE837562A (cs)
BG (1) BG36048A3 (cs)
CS (2) CS252801B2 (cs)
DD (2) DD209876A5 (cs)
DE (1) DE2600461C3 (cs)
FR (1) FR2297994A1 (cs)
HU (1) HU171077B (cs)
PL (1) PL108022B1 (cs)
RO (1) RO73938A (cs)
YU (1) YU37216B (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368604A1 (fr) * 1976-10-19 1978-05-19 Perrier Henri Dispositif de pose a distance d'etancons hydrauliques
DE8808519U1 (de) * 1988-07-04 1989-11-02 Heiliger, Martha-Catharina, 5166 Kreuzau Hydraulischer Stahlgrubenstempel
DE4323462C2 (de) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil
CN103644166A (zh) * 2013-12-26 2014-03-19 淮北安来机电装备有限公司 缸内孔单一柱面导向的油缸或气缸

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1834506A (en) * 1929-02-25 1931-12-01 Standard Lift Company Hydraulic elevator
GB538277A (en) * 1940-01-18 1941-07-28 William Herbert Smith Improvements relating to mine roof or like supports
US2379949A (en) * 1943-03-04 1945-07-10 Fred S Carver Hydraulic device
DE971164C (de) * 1944-02-04 1958-12-18 F W Moll Soehne Maschinenfabri Grubenstempelkopf
FR939620A (fr) * 1946-03-14 1948-11-19 Dispositif de levage hydraulique se montant à demeure sur un véhicule pour le soulever
FR1005572A (fr) * 1947-08-12 1952-04-11 Profilé en fer pour le soutènement des mines
DE924022C (de) * 1952-07-04 1955-02-24 Ringfeder Gmbh Im Druckstueck eines Grubenstempels mittels Kugelgelenkes beweglich angeordnete Kronenplatte
DE1085121B (de) * 1955-02-26 1960-07-14 Hoesch Ag Druckmittelbetaetigter Grubenstempel
US2961839A (en) * 1956-08-28 1960-11-29 Fausto A Aresti Hydraulic compression member
BE630020A (cs) * 1963-03-25
FR1549102A (cs) * 1966-12-31 1968-12-06
GB1356008A (en) * 1971-09-17 1974-06-12 Coal Industry Patents Ltd Mine roof supports

Also Published As

Publication number Publication date
RO73938A (ro) 1980-10-30
ATA103278A (de) 1979-08-15
DD123216A5 (cs) 1976-12-05
FR2297994B1 (cs) 1982-10-08
CS809786A2 (cs) 1988-02-15
HU171077B (hu) 1977-11-28
YU37216B (en) 1984-08-31
YU8476A (en) 1983-04-27
AT350026B (de) 1979-05-10
AT355536B (de) 1980-03-10
ATA513476A (de) 1982-02-15
DE2600461A1 (de) 1976-07-22
DE2600461B2 (de) 1978-03-30
BE837562A (fr) 1976-05-03
CS252801B2 (en) 1987-10-15
DD209876A5 (de) 1984-05-23
FR2297994A1 (fr) 1976-08-13
ATA16176A (de) 1978-10-15
CS22376A2 (cs) 1987-03-12
CS259543B2 (en) 1988-10-14
BG36048A3 (en) 1984-08-15
DE2600461C3 (de) 1978-11-16
AT368601B (de) 1982-10-25

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