FR998305A - Poutre de soutènement, en particulier pour le soutènement de tailles - Google Patents

Poutre de soutènement, en particulier pour le soutènement de tailles

Info

Publication number
FR998305A
FR998305A FR998305DA FR998305A FR 998305 A FR998305 A FR 998305A FR 998305D A FR998305D A FR 998305DA FR 998305 A FR998305 A FR 998305A
Authority
FR
France
Prior art keywords
sizes
support
retaining beam
retaining
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)
Inventor
Karl Maria Groetschel
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 filed Critical
Application granted granted Critical
Publication of FR998305A publication Critical patent/FR998305A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR998305D 1949-10-28 1949-10-28 Poutre de soutènement, en particulier pour le soutènement de tailles Expired FR998305A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR998305T 1949-10-28

Publications (1)

Publication Number Publication Date
FR998305A true FR998305A (fr) 1952-01-17

Family

ID=9559239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998305D Expired FR998305A (fr) 1949-10-28 1949-10-28 Poutre de soutènement, en particulier pour le soutènement de tailles

Country Status (1)

Country Link
FR (1) FR998305A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149044A (en) * 1991-05-17 1992-09-22 Bochumer Eisenhutte Heintzmann Gmbh & Co. Kg Cap shoe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149044A (en) * 1991-05-17 1992-09-22 Bochumer Eisenhutte Heintzmann Gmbh & Co. Kg Cap shoe

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