FR1459136A - Improvements to support cushions - Google Patents

Improvements to support cushions

Info

Publication number
FR1459136A
FR1459136A FR32852A FR32852A FR1459136A FR 1459136 A FR1459136 A FR 1459136A FR 32852 A FR32852 A FR 32852A FR 32852 A FR32852 A FR 32852A FR 1459136 A FR1459136 A FR 1459136A
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
FR32852A
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 FR32852A priority Critical patent/FR1459136A/en
Application granted granted Critical
Publication of FR1459136A publication Critical patent/FR1459136A/en
Priority to BE687217D priority patent/BE687217A/xx
Priority to DE19661483935 priority patent/DE1483935B1/en
Priority to LU52040D priority patent/LU52040A1/xx
Priority to ES0331642A priority patent/ES331642A1/en
Priority to GB43135/66A priority patent/GB1169023A/en
Expired 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
    • E21D15/445—Hydraulic, pneumatic, or hydraulic-pneumatic props comprising a fluid cushion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR32852A 1965-09-27 1965-09-27 Improvements to support cushions Expired FR1459136A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR32852A FR1459136A (en) 1965-09-27 1965-09-27 Improvements to support cushions
BE687217D BE687217A (en) 1965-09-27 1966-09-22
DE19661483935 DE1483935B1 (en) 1965-09-27 1966-09-24 USE OF A CONFIGURATION CORE FOR THE MANUFACTURING OF HOLLOW BODIES FROM ELASTOMERS FOR UNDERGROUND PITING
LU52040D LU52040A1 (en) 1965-09-27 1966-09-26
ES0331642A ES331642A1 (en) 1965-09-27 1966-09-27 Improvements in the construction of hollow bodies. (Machine-translation by Google Translate, not legally binding)
GB43135/66A GB1169023A (en) 1965-09-27 1966-09-27 Improvements in Inflatable Load Supporting Bags

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR32852A FR1459136A (en) 1965-09-27 1965-09-27 Improvements to support cushions

Publications (1)

Publication Number Publication Date
FR1459136A true FR1459136A (en) 1966-04-29

Family

ID=8589186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR32852A Expired FR1459136A (en) 1965-09-27 1965-09-27 Improvements to support cushions

Country Status (1)

Country Link
FR (1) FR1459136A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1608285B1 (en) * 1967-03-03 1970-06-04 Michelin & Cie Inflatable support cushion for mining
DE1758677B1 (en) * 1967-07-20 1971-02-18 Michelin & Cie Pneumatic support cushion for the expansion of underground cavities
DE2949373A1 (en) * 1979-12-07 1981-06-11 Akzo Gmbh, 5600 Wuppertal Flexible pipe, of woven high-strength synthetic fibres - is filled with e.g. concrete, for underground tunnel supports

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1608285B1 (en) * 1967-03-03 1970-06-04 Michelin & Cie Inflatable support cushion for mining
DE1758677B1 (en) * 1967-07-20 1971-02-18 Michelin & Cie Pneumatic support cushion for the expansion of underground cavities
DE2949373A1 (en) * 1979-12-07 1981-06-11 Akzo Gmbh, 5600 Wuppertal Flexible pipe, of woven high-strength synthetic fibres - is filled with e.g. concrete, for underground tunnel supports

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