FR825574A - Wedge assembly device for two-piece mine posts and multi-piece gallery vault support arches - Google Patents

Wedge assembly device for two-piece mine posts and multi-piece gallery vault support arches

Info

Publication number
FR825574A
FR825574A FR825574DA FR825574A FR 825574 A FR825574 A FR 825574A FR 825574D A FR825574D A FR 825574DA FR 825574 A FR825574 A FR 825574A
Authority
FR
France
Prior art keywords
piece
assembly device
wedge assembly
support arches
vault support
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
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.)
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 FR825574A publication Critical patent/FR825574A/en
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)
FR825574D 1937-08-14 1937-08-14 Wedge assembly device for two-piece mine posts and multi-piece gallery vault support arches Expired FR825574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR825574T 1937-08-14

Publications (1)

Publication Number Publication Date
FR825574A true FR825574A (en) 1938-03-07

Family

ID=9282391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825574D Expired FR825574A (en) 1937-08-14 1937-08-14 Wedge assembly device for two-piece mine posts and multi-piece gallery vault support arches

Country Status (1)

Country Link
FR (1) FR825574A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749491C (en) * 1940-08-14 1944-11-23 Wedge lock for two-part iron pit stamp
DE942682C (en) * 1951-07-17 1956-05-03 Gutehoffnungshuette Sterkrade Pit stamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749491C (en) * 1940-08-14 1944-11-23 Wedge lock for two-part iron pit stamp
DE942682C (en) * 1951-07-17 1956-05-03 Gutehoffnungshuette Sterkrade Pit stamp

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