FR1013538A - Lock for telescopic mine prop - Google Patents

Lock for telescopic mine prop

Info

Publication number
FR1013538A
FR1013538A FR1013538DA FR1013538A FR 1013538 A FR1013538 A FR 1013538A FR 1013538D A FR1013538D A FR 1013538DA FR 1013538 A FR1013538 A FR 1013538A
Authority
FR
France
Prior art keywords
lock
mine prop
telescopic
telescopic mine
prop
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
Franz Dipl Ing Kandolf
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.)
Alpine Montan AG
Original Assignee
Alpine Montan 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 Alpine Montan AG filed Critical Alpine Montan AG
Application granted granted Critical
Publication of FR1013538A publication Critical patent/FR1013538A/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
    • 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
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
    • 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)
  • Clamps And Clips (AREA)
FR1013538D 1948-12-30 1949-12-30 Lock for telescopic mine prop Expired FR1013538A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT166569T 1948-12-30

Publications (1)

Publication Number Publication Date
FR1013538A true FR1013538A (en) 1952-07-30

Family

ID=34200352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1013538D Expired FR1013538A (en) 1948-12-30 1949-12-30 Lock for telescopic mine prop

Country Status (4)

Country Link
AT (1) AT166569B (en)
BE (1) BE493039A (en)
DE (1) DE805031C (en)
FR (1) FR1013538A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008231B (en) * 1954-12-21 1957-05-16 Georg Bachmann Clamp lock housing for pit stamp

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975849C (en) * 1952-07-29 1962-10-25 Wilhelm Reppel Multi-part pit stamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008231B (en) * 1954-12-21 1957-05-16 Georg Bachmann Clamp lock housing for pit stamp

Also Published As

Publication number Publication date
AT166569B (en) 1950-08-25
DE805031C (en) 1951-05-04
BE493039A (en) 1960-01-14

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