FR2075424A5 - - Google Patents

Info

Publication number
FR2075424A5
FR2075424A5 FR7100743A FR7100743A FR2075424A5 FR 2075424 A5 FR2075424 A5 FR 2075424A5 FR 7100743 A FR7100743 A FR 7100743A FR 7100743 A FR7100743 A FR 7100743A FR 2075424 A5 FR2075424 A5 FR 2075424A5
Authority
FR
France
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
FR7100743A
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke 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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Application granted granted Critical
Publication of FR2075424A5 publication Critical patent/FR2075424A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
FR7100743A 1970-01-16 1971-01-12 Expired FR2075424A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001809A DE2001809C3 (de) 1970-01-16 1970-01-16 Hydraulischer Doppelteleskopstempel

Publications (1)

Publication Number Publication Date
FR2075424A5 true FR2075424A5 (xx) 1971-10-08

Family

ID=5759759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7100743A Expired FR2075424A5 (xx) 1970-01-16 1971-01-12

Country Status (4)

Country Link
BE (1) BE761635A (xx)
DE (1) DE2001809C3 (xx)
FR (1) FR2075424A5 (xx)
ZA (1) ZA71150B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518640A1 (fr) * 1981-12-21 1983-06-24 Gewerk Eisenhuette Westfalia Etancon telescopique hydraulique, en particulier pour soutenement marchant souterrain, et surtout pour pile-bouclier de soutenement
FR2711398A1 (fr) * 1993-10-18 1995-04-28 Bourgeois Alain Vérin télescopique à déploiement simultané.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518640A1 (fr) * 1981-12-21 1983-06-24 Gewerk Eisenhuette Westfalia Etancon telescopique hydraulique, en particulier pour soutenement marchant souterrain, et surtout pour pile-bouclier de soutenement
FR2711398A1 (fr) * 1993-10-18 1995-04-28 Bourgeois Alain Vérin télescopique à déploiement simultané.

Also Published As

Publication number Publication date
DE2001809A1 (de) 1971-07-22
BE761635A (fr) 1971-06-16
DE2001809C3 (de) 1974-04-25
ZA71150B (en) 1971-10-27
DE2001809B2 (de) 1973-10-04

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Legal Events

Date Code Title Description
ST Notification of lapse