ZA71740B - Joint between an extension cap and a prop head for a mine prop - Google Patents

Joint between an extension cap and a prop head for a mine prop

Info

Publication number
ZA71740B
ZA71740B ZA710740A ZA71740A ZA71740B ZA 71740 B ZA71740 B ZA 71740B ZA 710740 A ZA710740 A ZA 710740A ZA 71740 A ZA71740 A ZA 71740A ZA 71740 B ZA71740 B ZA 71740B
Authority
ZA
South Africa
Prior art keywords
prop
joint
mine
head
extension cap
Prior art date
Application number
ZA710740A
Inventor
W Albrecht
Original Assignee
Kloeckner Werke 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 Kloeckner Werke Ag filed Critical Kloeckner Werke Ag
Publication of ZA71740B publication Critical patent/ZA71740B/en

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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Earth Drilling (AREA)
ZA710740A 1970-02-11 1971-02-05 Joint between an extension cap and a prop head for a mine prop ZA71740B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702006088 DE2006088B2 (en) 1970-02-11 1970-02-11 CAP HOLDER FOR PIT STAMP

Publications (1)

Publication Number Publication Date
ZA71740B true ZA71740B (en) 1971-10-27

Family

ID=5761928

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA710740A ZA71740B (en) 1970-02-11 1971-02-05 Joint between an extension cap and a prop head for a mine prop

Country Status (5)

Country Link
US (1) US3722846A (en)
BE (1) BE761912A (en)
DE (1) DE2006088B2 (en)
FR (1) FR2078268A5 (en)
ZA (1) ZA71740B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2110497B2 (en) * 1971-03-05 1973-11-22 Kloeckner-Werke Ag, 4100 Duisburg Cap holder for pit punches
US4004771A (en) * 1972-09-09 1977-01-25 Gewerkschaft Eisenhutte Westfalia Ball-and-socket type connections for use with mining apparatus
FR2505925A1 (en) * 1981-05-12 1982-11-19 Alsace Mines Potasse MECHANICAL DEVICE FOR CONNECTING HEAD BETWEEN HEAD OR PEDESTAL HEAD AND PACKAGE OR HAT FOR HOLDING BATTERIES

Also Published As

Publication number Publication date
DE2006088A1 (en) 1971-08-19
DE2006088B2 (en) 1973-07-12
BE761912A (en) 1971-07-01
FR2078268A5 (en) 1971-11-05
US3722846A (en) 1973-03-27

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