FR793867A - Poteau de mine en deux pièces - Google Patents

Poteau de mine en deux pièces

Info

Publication number
FR793867A
FR793867A FR793867DA FR793867A FR 793867 A FR793867 A FR 793867A FR 793867D A FR793867D A FR 793867DA FR 793867 A FR793867 A FR 793867A
Authority
FR
France
Prior art keywords
piece
mine post
post
piece mine
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)
Inventor
Ferdinand Wigand
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.)
Gutehoffnungshutte Oberhausen AG
Original Assignee
Gutehoffnungshutte Oberhausen AG
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 Gutehoffnungshutte Oberhausen AG filed Critical Gutehoffnungshutte Oberhausen AG
Application granted granted Critical
Publication of FR793867A publication Critical patent/FR793867A/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)
FR793867D 1935-08-17 1935-08-17 Poteau de mine en deux pièces Expired FR793867A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR793867T 1935-08-17

Publications (1)

Publication Number Publication Date
FR793867A true FR793867A (fr) 1936-02-03

Family

ID=9233768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793867D Expired FR793867A (fr) 1935-08-17 1935-08-17 Poteau de mine en deux pièces

Country Status (1)

Country Link
FR (1) FR793867A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767659C (de) * 1935-07-30 1953-05-04 Gerlach Karl Eiserner Grubenstempel, dessen keilfoermiger Innenstempel unter der Wirkung von Keilen steht, die mit voneinander getrennten Flaechen am Innenstempel anliegen
DE901763C (de) * 1936-02-19 1954-01-14 Ferdinand Wigand Grubenstempel
DE902365C (de) * 1936-07-30 1954-01-21 Rudolf Spolders Wanderpfeiler
DE937221C (de) * 1936-08-04 1955-12-29 Gerlach Karl Stahlgrubenstempel
DE937341C (de) * 1937-08-20 1956-01-05 Karl Gerlach Grubenstempel
DE971631C (de) * 1934-11-23 1959-03-05 Gerlach Karl Eiserner Grubenstempel

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971631C (de) * 1934-11-23 1959-03-05 Gerlach Karl Eiserner Grubenstempel
DE767659C (de) * 1935-07-30 1953-05-04 Gerlach Karl Eiserner Grubenstempel, dessen keilfoermiger Innenstempel unter der Wirkung von Keilen steht, die mit voneinander getrennten Flaechen am Innenstempel anliegen
DE901763C (de) * 1936-02-19 1954-01-14 Ferdinand Wigand Grubenstempel
DE902365C (de) * 1936-07-30 1954-01-21 Rudolf Spolders Wanderpfeiler
DE937221C (de) * 1936-08-04 1955-12-29 Gerlach Karl Stahlgrubenstempel
DE937341C (de) * 1937-08-20 1956-01-05 Karl Gerlach Grubenstempel

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