FR1521655A - Perfectionnements aux jupes de protection de coussins de soutènement utilisés en particulier dans les mines - Google Patents

Perfectionnements aux jupes de protection de coussins de soutènement utilisés en particulier dans les mines

Info

Publication number
FR1521655A
FR1521655A FR98422A FR98422A FR1521655A FR 1521655 A FR1521655 A FR 1521655A FR 98422 A FR98422 A FR 98422A FR 98422 A FR98422 A FR 98422A FR 1521655 A FR1521655 A FR 1521655A
Authority
FR
France
Prior art keywords
mines
support cushions
cushions used
protective skirts
skirts
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
FR98422A
Other languages
English (en)
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 FR98422A priority Critical patent/FR1521655A/fr
Priority to BE710948D priority patent/BE710948A/xx
Priority to LU55640D priority patent/LU55640A1/xx
Priority to ES351434A priority patent/ES351434A1/es
Application granted granted Critical
Publication of FR1521655A publication Critical patent/FR1521655A/fr
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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • 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
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet

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)
  • Installation Of Indoor Wiring (AREA)
  • Supports For Pipes And Cables (AREA)
FR98422A 1967-03-10 1967-03-10 Perfectionnements aux jupes de protection de coussins de soutènement utilisés en particulier dans les mines Expired FR1521655A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR98422A FR1521655A (fr) 1967-03-10 1967-03-10 Perfectionnements aux jupes de protection de coussins de soutènement utilisés en particulier dans les mines
BE710948D BE710948A (enEXAMPLES) 1967-03-10 1968-02-19
LU55640D LU55640A1 (enEXAMPLES) 1967-03-10 1968-03-08
ES351434A ES351434A1 (es) 1967-03-10 1968-03-09 Perfeccionamientos en la construccion de faldones de pro- teccion para almohadas de sosten.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR98422A FR1521655A (fr) 1967-03-10 1967-03-10 Perfectionnements aux jupes de protection de coussins de soutènement utilisés en particulier dans les mines

Publications (1)

Publication Number Publication Date
FR1521655A true FR1521655A (fr) 1968-04-19

Family

ID=8626773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR98422A Expired FR1521655A (fr) 1967-03-10 1967-03-10 Perfectionnements aux jupes de protection de coussins de soutènement utilisés en particulier dans les mines

Country Status (4)

Country Link
BE (1) BE710948A (enEXAMPLES)
ES (1) ES351434A1 (enEXAMPLES)
FR (1) FR1521655A (enEXAMPLES)
LU (1) LU55640A1 (enEXAMPLES)

Also Published As

Publication number Publication date
BE710948A (enEXAMPLES) 1968-08-19
ES351434A1 (es) 1969-06-16
LU55640A1 (enEXAMPLES) 1968-12-05

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