FR60301E - Device for adjusting two-piece metal props - Google Patents

Device for adjusting two-piece metal props

Info

Publication number
FR60301E
FR60301E FR60301DA FR60301E FR 60301 E FR60301 E FR 60301E FR 60301D A FR60301D A FR 60301DA FR 60301 E FR60301 E FR 60301E
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 MATERIELS IND SO
Original Assignee
ENTPR S ET DE MATERIELS IND SO
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 MATERIELS IND SO filed Critical ENTPR S ET DE MATERIELS IND SO
Application granted granted Critical
Publication of FR60301E publication Critical patent/FR60301E/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

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)
FR60301D 1948-10-23 1948-10-23 Device for adjusting two-piece metal props Expired FR60301E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR60301T 1948-10-23

Publications (1)

Publication Number Publication Date
FR60301E true FR60301E (en) 1954-11-02

Family

ID=8694028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR60301D Expired FR60301E (en) 1948-10-23 1948-10-23 Device for adjusting two-piece metal props

Country Status (1)

Country Link
FR (1) FR60301E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320608A (en) * 1979-12-17 1982-03-23 Foresight Industries Post support socket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320608A (en) * 1979-12-17 1982-03-23 Foresight Industries Post support socket

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