FR1165725A - Support device - Google Patents

Support device

Info

Publication number
FR1165725A
FR1165725A FR1165725DA FR1165725A FR 1165725 A FR1165725 A FR 1165725A FR 1165725D A FR1165725D A FR 1165725DA FR 1165725 A FR1165725 A FR 1165725A
Authority
FR
France
Prior art keywords
support device
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)
Inventor
Jean Bramat
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.)
Sabes & Cie
Original Assignee
Sabes & Cie
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 Sabes & Cie filed Critical Sabes & Cie
Application granted granted Critical
Publication of FR1165725A publication Critical patent/FR1165725A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D15/30—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber
    • E21D15/306—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber by means of a liquid
FR1165725D 1957-01-29 1957-01-29 Support device Expired FR1165725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1165725T 1957-01-29

Publications (1)

Publication Number Publication Date
FR1165725A true FR1165725A (en) 1958-10-28

Family

ID=9654657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1165725D Expired FR1165725A (en) 1957-01-29 1957-01-29 Support device

Country Status (1)

Country Link
FR (1) FR1165725A (en)

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