FR802507A - Effondreur - Google Patents

Effondreur

Info

Publication number
FR802507A
FR802507A FR802507DA FR802507A FR 802507 A FR802507 A FR 802507A FR 802507D A FR802507D A FR 802507DA FR 802507 A FR802507 A FR 802507A
Authority
FR
France
Prior art keywords
collapsing
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
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.)
LE TUBE FACONNE
Original Assignee
LE TUBE FACONNE
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 LE TUBE FACONNE filed Critical LE TUBE FACONNE
Application granted granted Critical
Publication of FR802507A publication Critical patent/FR802507A/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
    • E21D15/60—Devices for withdrawing props or chocks

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)
FR802507D 1936-03-02 1936-03-02 Effondreur Expired FR802507A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR802507T 1936-03-02

Publications (1)

Publication Number Publication Date
FR802507A true FR802507A (fr) 1936-09-07

Family

ID=9248363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802507D Expired FR802507A (fr) 1936-03-02 1936-03-02 Effondreur

Country Status (1)

Country Link
FR (1) FR802507A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938181C (de) * 1953-01-27 1956-01-26 Belge De Mecanisation Soc Hangendtragvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938181C (de) * 1953-01-27 1956-01-26 Belge De Mecanisation Soc Hangendtragvorrichtung

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