FR49666E - étançon de mine souple - Google Patents

étançon de mine souple

Info

Publication number
FR49666E
FR49666E FR49666DA FR49666E FR 49666 E FR49666 E FR 49666E FR 49666D A FR49666D A FR 49666DA FR 49666 E FR49666 E FR 49666E
Authority
FR
France
Prior art keywords
mine prop
flexible mine
flexible
prop
mine
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.)
Hermann Schwarz KG
Original Assignee
Hermann Schwarz KG
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 Hermann Schwarz KG filed Critical Hermann Schwarz KG
Application granted granted Critical
Publication of FR49666E publication Critical patent/FR49666E/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
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
FR49666D 1938-08-05 1938-08-05 étançon de mine souple Expired FR49666E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49666T 1938-08-05

Publications (1)

Publication Number Publication Date
FR49666E true FR49666E (fr) 1939-05-30

Family

ID=8684795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49666D Expired FR49666E (fr) 1938-08-05 1938-08-05 étançon de mine souple

Country Status (1)

Country Link
FR (1) FR49666E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19917531A1 (de) * 1999-04-19 2000-12-07 Eugen Boehm Universalkupplung für die Übertragung des Drehmomentes vom Motor zum Antrieb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19917531A1 (de) * 1999-04-19 2000-12-07 Eugen Boehm Universalkupplung für die Übertragung des Drehmomentes vom Motor zum Antrieb

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