DE1226972B - Hydraulischer Doppel-Teleskopstempel - Google Patents

Hydraulischer Doppel-Teleskopstempel

Info

Publication number
DE1226972B
DE1226972B DEG41819A DEG0041819A DE1226972B DE 1226972 B DE1226972 B DE 1226972B DE G41819 A DEG41819 A DE G41819A DE G0041819 A DEG0041819 A DE G0041819A DE 1226972 B DE1226972 B DE 1226972B
Authority
DE
Germany
Prior art keywords
stage
hydraulic double
double telescopic
hydraulic
ram
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.)
Pending
Application number
DEG41819A
Other languages
German (de)
English (en)
Inventor
Egon Warns
Dr-Ing Guenther Dommann
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia 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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to DEG41819A priority Critical patent/DE1226972B/de
Priority to FR32871A priority patent/FR1459137A/fr
Priority to GB42432/65A priority patent/GB1124096A/en
Priority to NL6513272A priority patent/NL6513272A/xx
Priority to US496822A priority patent/US3301519A/en
Priority to BE671064D priority patent/BE671064A/xx
Publication of DE1226972B publication Critical patent/DE1226972B/de
Pending 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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Actuator (AREA)
  • Food-Manufacturing Devices (AREA)
  • Earth Drilling (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
DEG41819A 1964-10-20 1964-10-20 Hydraulischer Doppel-Teleskopstempel Pending DE1226972B (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DEG41819A DE1226972B (de) 1964-10-20 1964-10-20 Hydraulischer Doppel-Teleskopstempel
FR32871A FR1459137A (fr) 1964-10-20 1965-09-28 étançon télescopique hydraulique double
GB42432/65A GB1124096A (en) 1964-10-20 1965-10-06 Hydraulically operated telescopic props
NL6513272A NL6513272A (cs) 1964-10-20 1965-10-13
US496822A US3301519A (en) 1964-10-20 1965-10-18 Double telescoping hydraulic prop
BE671064D BE671064A (cs) 1964-10-20 1965-10-19

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG41819A DE1226972B (de) 1964-10-20 1964-10-20 Hydraulischer Doppel-Teleskopstempel
DEG0043012 1965-03-05

Publications (1)

Publication Number Publication Date
DE1226972B true DE1226972B (de) 1966-10-20

Family

ID=27210640

Family Applications (1)

Application Number Title Priority Date Filing Date
DEG41819A Pending DE1226972B (de) 1964-10-20 1964-10-20 Hydraulischer Doppel-Teleskopstempel

Country Status (6)

Country Link
US (1) US3301519A (cs)
BE (1) BE671064A (cs)
DE (1) DE1226972B (cs)
FR (1) FR1459137A (cs)
GB (1) GB1124096A (cs)
NL (1) NL6513272A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924380A1 (de) * 1979-06-16 1981-01-08 Gewerk Eisenhuette Westfalia Hubbegrenzungsvorrichtung fuer schubkolbengetriebe, insbesondere fuer schreitund rueckzylinder fuer das ruecken eines foerderers und/oder eines schreitausbaus in bergbau-untertagebetrieben

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS481663U (cs) * 1971-06-01 1973-01-10
ZA804072B (en) * 1979-08-07 1981-06-24 Dobson Park Ind Telescoping jack
US5219429A (en) * 1992-08-10 1993-06-15 Shelton Bill E Hydra-lift system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1063101B (de) * 1956-02-20 1959-08-13 Gutehoffnungshuette Sterkrade Hydraulischer Grubenstempel
DE1123640B (de) * 1957-12-23 1962-02-15 Kloeckner Werke Ag Doppelt ausfahrbarer hydraulischer Grubenstempel
DE1149678B (de) * 1960-09-15 1963-06-06 Rheinstahl Gmbh Wanheim Mehrstufiger hydraulischer Grubenstempel
DE1167299B (de) * 1960-09-02 1964-04-09 Houilleres Bassin Du Nord Hydraulischer Stempel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1928533A (en) * 1933-01-20 1933-09-26 Milford T Goss Jack
NL274871A (cs) * 1961-02-18
BE632029A (cs) * 1962-05-12
BE655844A (cs) * 1963-11-29 1965-03-16

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1063101B (de) * 1956-02-20 1959-08-13 Gutehoffnungshuette Sterkrade Hydraulischer Grubenstempel
DE1123640B (de) * 1957-12-23 1962-02-15 Kloeckner Werke Ag Doppelt ausfahrbarer hydraulischer Grubenstempel
DE1167299B (de) * 1960-09-02 1964-04-09 Houilleres Bassin Du Nord Hydraulischer Stempel
DE1149678B (de) * 1960-09-15 1963-06-06 Rheinstahl Gmbh Wanheim Mehrstufiger hydraulischer Grubenstempel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924380A1 (de) * 1979-06-16 1981-01-08 Gewerk Eisenhuette Westfalia Hubbegrenzungsvorrichtung fuer schubkolbengetriebe, insbesondere fuer schreitund rueckzylinder fuer das ruecken eines foerderers und/oder eines schreitausbaus in bergbau-untertagebetrieben

Also Published As

Publication number Publication date
GB1124096A (en) 1968-08-21
FR1459137A (fr) 1966-11-18
NL6513272A (cs) 1966-04-21
US3301519A (en) 1967-01-31
BE671064A (cs) 1966-04-19

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