FR1226787A - Improvements made to hydraulic props, in particular for galleries or mine corridors - Google Patents

Improvements made to hydraulic props, in particular for galleries or mine corridors

Info

Publication number
FR1226787A
FR1226787A FR793993A FR793993A FR1226787A FR 1226787 A FR1226787 A FR 1226787A FR 793993 A FR793993 A FR 793993A FR 793993 A FR793993 A FR 793993A FR 1226787 A FR1226787 A FR 1226787A
Authority
FR
France
Prior art keywords
galleries
improvements made
hydraulic props
mine corridors
corridors
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
FR793993A
Other languages
French (fr)
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.)
BOCHUMER GES fur GRUBENAUSBAU
Phoenix AG
Original Assignee
BOCHUMER GES fur GRUBENAUSBAU
Phoenix Gummiwerke AG
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 BOCHUMER GES fur GRUBENAUSBAU, Phoenix Gummiwerke AG filed Critical BOCHUMER GES fur GRUBENAUSBAU
Application granted granted Critical
Publication of FR1226787A publication Critical patent/FR1226787A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16J3/00—Diaphragms; Bellows; Bellows pistons
    • F16J3/06—Bellows pistons
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
FR793993A 1958-05-10 1959-05-05 Improvements made to hydraulic props, in particular for galleries or mine corridors Expired FR1226787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT3012546X 1958-05-10

Publications (1)

Publication Number Publication Date
FR1226787A true FR1226787A (en) 1960-08-16

Family

ID=3690621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793993A Expired FR1226787A (en) 1958-05-10 1959-05-05 Improvements made to hydraulic props, in particular for galleries or mine corridors

Country Status (2)

Country Link
US (1) US3012546A (en)
FR (1) FR1226787A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282542A (en) * 1963-07-12 1966-11-01 Yarrow & Co Ltd Anti-vibration mounting
EP0261949A2 (en) * 1986-09-24 1988-03-30 The Garrett Corporation Diaphram for a fluid pressure motor and method of making such a diaphragm
WO1995034743A1 (en) * 1994-06-13 1995-12-21 Contitech Luftfedersysteme Gmbh Mine prop

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301026B (en) * 1964-11-14 1969-08-14 Reinhard Hoernlein Kg Holz Und Hydropneumatic lifting unit, especially for height-adjustable tables and chairs
US3269276A (en) * 1965-03-17 1966-08-30 Taplin John F Rolling diaphragm device with diaphragm having a clamping insert
US3373694A (en) * 1965-10-21 1968-03-19 John F. Taplin Cylinder and piston unit having noncollapsible dual rolling diaphragm
GB1143665A (en) * 1965-12-04
US3429231A (en) * 1966-04-18 1969-02-25 Int Basic Economy Corp Fluid motor
US3483798A (en) * 1967-03-30 1969-12-16 Koehring Co Telescopic hydraulic actuator
US3416819A (en) * 1967-08-09 1968-12-17 Calumet & Hecla Motion compensator
US3603209A (en) * 1969-01-16 1971-09-07 Bendix Corp Hydraulic brake booster
LU72099A1 (en) * 1974-05-10 1975-08-20
DE102007035654A1 (en) * 2007-07-27 2009-02-26 Zf Friedrichshafen Ag Joint and / or bearing arrangement
CN113530810A (en) * 2021-04-21 2021-10-22 宁波佳音机电科技股份有限公司 Plunger type water pump and tooth washing device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1039157A (en) * 1912-09-24 John Mackintosh Telemotor-gear.
US1038636A (en) * 1910-05-18 1912-09-17 Henry E Oxnard Expansible chamber.
US1508654A (en) * 1922-02-14 1924-09-16 Hales Sidney Eales Pneumatic apparatus
US1492158A (en) * 1922-06-06 1924-04-29 Caretta Ettore Lifting jack
US1928368A (en) * 1929-12-09 1933-09-26 John T Miller Vehicle carried jack
US2671470A (en) * 1951-03-30 1954-03-09 Grinnell Corp Tandem acting fluid pressure actuator
US2673573A (en) * 1951-11-27 1954-03-30 Fed Fawick Corp Fluid distensible actuating means for clutches and brakes
US2895494A (en) * 1954-08-09 1959-07-21 Infilco Inc Device for producing pressures varying proportionally to variations in a condition
US2949895A (en) * 1956-07-18 1960-08-23 Mobay Chemical Corp Hydraulic pit prop
DE1072850B (en) * 1957-06-10 1960-01-07 Stanislas AlImquant Paris Fernand Membrane device for separating two different media in a cylindrical container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282542A (en) * 1963-07-12 1966-11-01 Yarrow & Co Ltd Anti-vibration mounting
EP0261949A2 (en) * 1986-09-24 1988-03-30 The Garrett Corporation Diaphram for a fluid pressure motor and method of making such a diaphragm
EP0261949A3 (en) * 1986-09-24 1988-09-14 The Garrett Corporation Diaphram for a fluid pressure motor and method of making such a diaphragm
WO1995034743A1 (en) * 1994-06-13 1995-12-21 Contitech Luftfedersysteme Gmbh Mine prop

Also Published As

Publication number Publication date
US3012546A (en) 1961-12-12

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