FR1448299A - Support cushions - Google Patents

Support cushions

Info

Publication number
FR1448299A
FR1448299A FR22208A FR22208A FR1448299A FR 1448299 A FR1448299 A FR 1448299A FR 22208 A FR22208 A FR 22208A FR 22208 A FR22208 A FR 22208A FR 1448299 A FR1448299 A FR 1448299A
Authority
FR
France
Prior art keywords
support cushions
cushions
support
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
FR22208A
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.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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 Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Priority to FR22208A priority Critical patent/FR1448299A/en
Application granted granted Critical
Publication of FR1448299A publication Critical patent/FR1448299A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/35—Inflatable flexible elements, e.g. bellows
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/157—Laggings making use of fluid cushions, e.g. the fluid containing a hardenable material
    • 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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/52—Extensible units located above or below standard props
    • E21D15/523—Extensible units located above or below standard props with hydraulic or pneumatic control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
FR22208A 1965-06-24 1965-06-24 Support cushions Expired FR1448299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR22208A FR1448299A (en) 1965-06-24 1965-06-24 Support cushions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR22208A FR1448299A (en) 1965-06-24 1965-06-24 Support cushions

Publications (1)

Publication Number Publication Date
FR1448299A true FR1448299A (en) 1966-08-05

Family

ID=8583028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR22208A Expired FR1448299A (en) 1965-06-24 1965-06-24 Support cushions

Country Status (1)

Country Link
FR (1) FR1448299A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508408A (en) * 1967-07-20 1970-04-28 Gen Etablissements Michelin Ra Supporting cushions
DE3242136A1 (en) * 1982-11-13 1984-05-17 Ruhrkohle Ag, 4300 Essen Yielding filling pad
WO2017162226A3 (en) * 2016-03-21 2017-11-23 Horst Artner Device and method for generating the closing force in chamber filter presses

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508408A (en) * 1967-07-20 1970-04-28 Gen Etablissements Michelin Ra Supporting cushions
DE1758677B1 (en) * 1967-07-20 1971-02-18 Michelin & Cie Pneumatic support cushion for the expansion of underground cavities
DE3242136A1 (en) * 1982-11-13 1984-05-17 Ruhrkohle Ag, 4300 Essen Yielding filling pad
WO2017162226A3 (en) * 2016-03-21 2017-11-23 Horst Artner Device and method for generating the closing force in chamber filter presses
DE112017001426B4 (en) 2016-03-21 2022-09-29 Horst Artner Device and method for generating the closing force in chamber filter presses

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