BE485483A - Steel hood for the support of mine galleries - Google Patents

Steel hood for the support of mine galleries

Info

Publication number
BE485483A
BE485483A BE485483A BE485483A BE485483A BE 485483 A BE485483 A BE 485483A BE 485483 A BE485483 A BE 485483A BE 485483 A BE485483 A BE 485483A BE 485483 A BE485483 A BE 485483A
Authority
BE
Belgium
Prior art keywords
support
steel hood
mine galleries
galleries
mine
Prior art date
Application number
BE485483A
Other languages
Dutch (nl)
Inventor
Hubert Joseph Wetzels
Original Assignee
Hubert Joseph Wetzels
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 Hubert Joseph Wetzels filed Critical Hubert Joseph Wetzels
Publication of BE485483A publication Critical patent/BE485483A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

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)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
BE485483A 1947-10-28 1948-10-26 Steel hood for the support of mine galleries BE485483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL135668A NL70945C (en) 1947-10-28 1947-10-28 Metal cover for mine support

Publications (1)

Publication Number Publication Date
BE485483A true BE485483A (en) 1949-11-13

Family

ID=19866319

Family Applications (1)

Application Number Title Priority Date Filing Date
BE485483A BE485483A (en) 1947-10-28 1948-10-26 Steel hood for the support of mine galleries

Country Status (4)

Country Link
BE (1) BE485483A (en)
DE (2) DE944785C (en)
FR (1) FR974408A (en)
NL (1) NL70945C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977597C (en) * 1950-11-01 1967-06-22 Ludwig Vanwersch Expansion cap

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991097A (en) * 1948-07-08 1961-07-04 Vanwersch Aloys Connecting structure for beams of a roof support or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977597C (en) * 1950-11-01 1967-06-22 Ludwig Vanwersch Expansion cap

Also Published As

Publication number Publication date
NL70945C (en) 1952-10-15
DE944785C (en) 1956-06-21
FR974408A (en) 1951-02-22
DE937882C (en) 1956-01-19

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