FR1147098A - adjustable metal prop - Google Patents

adjustable metal prop

Info

Publication number
FR1147098A
FR1147098A FR1147098DA FR1147098A FR 1147098 A FR1147098 A FR 1147098A FR 1147098D A FR1147098D A FR 1147098DA FR 1147098 A FR1147098 A FR 1147098A
Authority
FR
France
Prior art keywords
adjustable metal
metal prop
prop
adjustable
metal
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.)
PROPS ESTABLISHMENT
Original Assignee
PROPS ESTABLISHMENT
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 PROPS ESTABLISHMENT filed Critical PROPS ESTABLISHMENT
Application granted granted Critical
Publication of FR1147098A publication Critical patent/FR1147098A/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
    • 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
    • E04G25/08—Shores or struts; Chocks telescopic with parts held relatively to each other by friction or gripping
    • 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
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/56—Details of locks of telescopic props

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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
FR1147098D 1955-02-14 1956-02-10 adjustable metal prop Expired FR1147098A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE1147098X 1955-02-14
BE200555X 1955-05-20

Publications (1)

Publication Number Publication Date
FR1147098A true FR1147098A (en) 1957-11-19

Family

ID=27664024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1147098D Expired FR1147098A (en) 1955-02-14 1956-02-10 adjustable metal prop

Country Status (2)

Country Link
CH (1) CH337327A (en)
FR (1) FR1147098A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0655538A1 (en) * 1993-11-25 1995-05-31 Tatsuo Ono A length-adjustable support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0655538A1 (en) * 1993-11-25 1995-05-31 Tatsuo Ono A length-adjustable support

Also Published As

Publication number Publication date
CH337327A (en) 1959-03-31

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