FR921835A - Device for adjusting two-piece metal props - Google Patents

Device for adjusting two-piece metal props

Info

Publication number
FR921835A
FR921835A FR921835DA FR921835A FR 921835 A FR921835 A FR 921835A FR 921835D A FR921835D A FR 921835DA FR 921835 A FR921835 A FR 921835A
Authority
FR
France
Prior art keywords
adjusting
piece metal
metal props
props
piece
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.)
ENTPR S ET DE MATERIEL IND SOC
Original Assignee
ENTPR S ET DE MATERIEL IND SOC
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 ENTPR S ET DE MATERIEL IND SOC filed Critical ENTPR S ET DE MATERIEL IND SOC
Application granted granted Critical
Publication of FR921835A publication Critical patent/FR921835A/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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/066—Shores or struts; Chocks telescopic with parts held together by positive means by a wedge

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
FR921835D 1945-12-04 1945-12-04 Device for adjusting two-piece metal props Expired FR921835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921835T 1945-12-04

Publications (1)

Publication Number Publication Date
FR921835A true FR921835A (en) 1947-05-20

Family

ID=9437597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921835D Expired FR921835A (en) 1945-12-04 1945-12-04 Device for adjusting two-piece metal props

Country Status (1)

Country Link
FR (1) FR921835A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973437C (en) * 1951-03-22 1960-02-18 Gerlach Karl Setting device for pit stamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973437C (en) * 1951-03-22 1960-02-18 Gerlach Karl Setting device for pit stamp

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