FR1297515A - Joint de piston pour étai de mine hydraulique - Google Patents

Joint de piston pour étai de mine hydraulique

Info

Publication number
FR1297515A
FR1297515A FR870712A FR870712A FR1297515A FR 1297515 A FR1297515 A FR 1297515A FR 870712 A FR870712 A FR 870712A FR 870712 A FR870712 A FR 870712A FR 1297515 A FR1297515 A FR 1297515A
Authority
FR
France
Prior art keywords
piston seal
mine prop
hydraulic mine
hydraulic
prop
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
FR870712A
Other languages
English (en)
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.)
Rheinstahl Wanheim GmbH
Original Assignee
Rheinstahl Wanheim 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 Rheinstahl Wanheim GmbH filed Critical Rheinstahl Wanheim GmbH
Priority to FR870712A priority Critical patent/FR1297515A/fr
Application granted granted Critical
Publication of FR1297515A publication Critical patent/FR1297515A/fr
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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/166—Sealings between relatively-moving surfaces with means to prevent the extrusion of the packing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR870712A 1960-08-13 1961-08-11 Joint de piston pour étai de mine hydraulique Expired FR1297515A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR870712A FR1297515A (fr) 1960-08-13 1961-08-11 Joint de piston pour étai de mine hydraulique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DER0028549 1960-08-13
FR870712A FR1297515A (fr) 1960-08-13 1961-08-11 Joint de piston pour étai de mine hydraulique

Publications (1)

Publication Number Publication Date
FR1297515A true FR1297515A (fr) 1962-06-29

Family

ID=25991389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870712A Expired FR1297515A (fr) 1960-08-13 1961-08-11 Joint de piston pour étai de mine hydraulique

Country Status (1)

Country Link
FR (1) FR1297515A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394939A (en) * 1966-12-08 1968-07-30 Johns Manville Fluid pressure actuable seal
US4647076A (en) * 1985-10-15 1987-03-03 Amtel, Inc. High pressure fluid swivel
US5118119A (en) * 1991-07-29 1992-06-02 Allied-Signal Inc. High temperature and high pressure seal retainer ring
US5762106A (en) * 1985-11-25 1998-06-09 National Coupling Co., Inc. Undersea hydraulic coupling and metal seal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394939A (en) * 1966-12-08 1968-07-30 Johns Manville Fluid pressure actuable seal
US4647076A (en) * 1985-10-15 1987-03-03 Amtel, Inc. High pressure fluid swivel
US5762106A (en) * 1985-11-25 1998-06-09 National Coupling Co., Inc. Undersea hydraulic coupling and metal seal
US5118119A (en) * 1991-07-29 1992-06-02 Allied-Signal Inc. High temperature and high pressure seal retainer ring

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