ATA513476A - HYDRAULIC PIT STAMP - Google Patents

HYDRAULIC PIT STAMP

Info

Publication number
ATA513476A
ATA513476A AT0513476A AT513476A ATA513476A AT A513476 A ATA513476 A AT A513476A AT 0513476 A AT0513476 A AT 0513476A AT 513476 A AT513476 A AT 513476A AT A513476 A ATA513476 A AT A513476A
Authority
AT
Austria
Prior art keywords
hydraulic pit
pit stamp
stamp
hydraulic
pit
Prior art date
Application number
AT0513476A
Other languages
German (de)
Other versions
AT368601B (en
Inventor
Jozsef Dipl Ing Korbuly
Karoly Dipl Ing Balazs
Janos Dipl Ing Viragh
Laszlo Dipl Ing Zachar
Laszlo Dipl Ing Nemeth
Original Assignee
Banyaszati Kutato Intezet
Mecseki Szenbanyak
Szekesfehervari Koennyuefemmue
Tatabanyai Szenbanyak
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, Mecseki Szenbanyak, Szekesfehervari Koennyuefemmue, Tatabanyai Szenbanyak filed Critical Banyaszati Kutato Intezet
Publication of ATA513476A publication Critical patent/ATA513476A/en
Application granted granted Critical
Publication of AT368601B publication Critical patent/AT368601B/en

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)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forging (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Actuator (AREA)
  • Safety Valves (AREA)
  • Fluid-Damping Devices (AREA)
  • Check Valves (AREA)
AT0513476A 1975-01-15 1976-07-13 HYDRAULIC PIT STAMP AT368601B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76BA3188A HU171077B (en) 1975-01-15 1975-01-15 Hydraulic prop

Publications (2)

Publication Number Publication Date
ATA513476A true ATA513476A (en) 1982-02-15
AT368601B AT368601B (en) 1982-10-25

Family

ID=10993392

Family Applications (3)

Application Number Title Priority Date Filing Date
AT16176A AT350026B (en) 1975-01-15 1976-01-13 HYDRAULIC PIT STAMP
AT0513476A AT368601B (en) 1975-01-15 1976-07-13 HYDRAULIC PIT STAMP
AT103278A AT355536B (en) 1975-01-15 1978-02-14 HYDRAULIC PIT STAMP

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT16176A AT350026B (en) 1975-01-15 1976-01-13 HYDRAULIC PIT STAMP

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT103278A AT355536B (en) 1975-01-15 1978-02-14 HYDRAULIC PIT STAMP

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2368604A1 (en) * 1976-10-19 1978-05-19 Perrier Henri Hydraulic mining prop placing equipment - comprises mobile machine with extensible boom and hydraulic system for supplying pressure fluid to prop
DE8808519U1 (en) * 1988-07-04 1989-11-02 Heiliger, Martha-Catharina, 5166 Kreuzau Hydraulic steel pit ram
DE4323462C2 (en) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Removal stamp for underground use with integrated pressure relief valve
CN103644166A (en) * 2013-12-26 2014-03-19 淮北安来机电装备有限公司 Oil/air cylinder with single cylindrical surface guide in inner cylinder hole

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 (en) * 1944-02-04 1958-12-18 F W Moll Soehne Maschinenfabri Pit punch head
FR939620A (en) * 1946-03-14 1948-11-19 Hydraulic lifting device permanently mounted on a vehicle to lift it
FR1005572A (en) * 1947-08-12 1952-04-11 Iron profile for mine support
DE924022C (en) * 1952-07-04 1955-02-24 Ringfeder Gmbh Crown plate movably arranged by means of a ball joint in the pressure piece of a pit punch
DE1085121B (en) * 1955-02-26 1960-07-14 Hoesch Ag Pressurized pit stamp
US2961839A (en) * 1956-08-28 1960-11-29 Fausto A Aresti Hydraulic compression member
BE630020A (en) * 1963-03-25
FR1549102A (en) * 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
CS22376A2 (en) 1987-03-12
ATA16176A (en) 1978-10-15
YU37216B (en) 1984-08-31
YU8476A (en) 1983-04-27
DD123216A5 (en) 1976-12-05
FR2297994B1 (en) 1982-10-08
AT368601B (en) 1982-10-25
AT350026B (en) 1979-05-10
ATA103278A (en) 1979-08-15
DE2600461C3 (en) 1978-11-16
DD209876A5 (en) 1984-05-23
CS259543B2 (en) 1988-10-14
FR2297994A1 (en) 1976-08-13
CS809786A2 (en) 1988-02-15
BG36048A3 (en) 1984-08-15
PL108022B1 (en) 1980-03-31
DE2600461B2 (en) 1978-03-30
RO73938A (en) 1980-10-30
HU171077B (en) 1977-11-28
AT355536B (en) 1980-03-10
CS252801B2 (en) 1987-10-15
BE837562A (en) 1976-05-03
DE2600461A1 (en) 1976-07-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee