FR1067366A - Articulated coupling of timbering caps for mining galleries - Google Patents

Articulated coupling of timbering caps for mining galleries

Info

Publication number
FR1067366A
FR1067366A FR1067366DA FR1067366A FR 1067366 A FR1067366 A FR 1067366A FR 1067366D A FR1067366D A FR 1067366DA FR 1067366 A FR1067366 A FR 1067366A
Authority
FR
France
Prior art keywords
timbering
caps
articulated coupling
mining galleries
galleries
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.)
FU R UNTERNEHMUNGEN DER EISEN
Original Assignee
FU R UNTERNEHMUNGEN DER EISEN
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 FU R UNTERNEHMUNGEN DER EISEN filed Critical FU R UNTERNEHMUNGEN DER EISEN
Application granted granted Critical
Publication of FR1067366A publication Critical patent/FR1067366A/en
Expired legal-status Critical Current

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)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Emergency Lowering Means (AREA)
FR1067366D 1951-12-05 1952-12-02 Articulated coupling of timbering caps for mining galleries Expired FR1067366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1951A0014650 DE975231C (en) 1951-12-05 1951-12-05 Articulated cap connection

Publications (1)

Publication Number Publication Date
FR1067366A true FR1067366A (en) 1954-06-15

Family

ID=6923259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1067366D Expired FR1067366A (en) 1951-12-05 1952-12-02 Articulated coupling of timbering caps for mining galleries

Country Status (4)

Country Link
DE (1) DE975231C (en)
FR (1) FR1067366A (en)
GB (1) GB712963A (en)
NL (2) NL174344B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE942322C (en) * 1954-03-16 1956-05-03 Ulrich Wichmann Articulated connection of caps

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915328A (en) * 1957-07-08 1959-12-01 Hugh Wood And Company Ltd Bars for supporting the roof in mines and for like purposes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE481680A (en) *
BE475032A (en) * 1946-08-28
DE803992C (en) * 1949-07-03 1951-04-16 Wilhelm Reppel Cap made of juxtaposed links for mining, especially longwall mining
DE801717C (en) * 1949-07-12 1951-01-22 Mannesmann Ag Cap connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE942322C (en) * 1954-03-16 1956-05-03 Ulrich Wichmann Articulated connection of caps

Also Published As

Publication number Publication date
NL174344B (en)
DE975231C (en) 1961-10-12
NL88621C (en)
GB712963A (en) 1954-08-04

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