BE510061A - - Google Patents

Info

Publication number
BE510061A
BE510061A BE510061DA BE510061A BE 510061 A BE510061 A BE 510061A BE 510061D A BE510061D A BE 510061DA BE 510061 A BE510061 A BE 510061A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE510061A publication Critical patent/BE510061A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/02Cantilever extension or similar protecting devices
    • E21D17/08Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086Cap joints for obtaining a coal-face free of pit-props or articulated type
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00Details or constructional features not specially adapted for looms of a particular type
    • D03D49/70Devices for cutting weft threads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Textile Engineering (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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Emergency Lowering Means (AREA)
BE510061D 1951-04-23 1952-03-19 BE510061A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE716447X 1951-04-23

Publications (1)

Publication Number Publication Date
BE510061A true BE510061A (zh) 1952-09-19

Family

ID=6626418

Family Applications (2)

Application Number Title Priority Date Filing Date
BE496549D BE496549A (zh) 1951-04-23 1950-06-23
BE510061D BE510061A (zh) 1951-04-23 1952-03-19

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE496549D BE496549A (zh) 1951-04-23 1950-06-23

Country Status (5)

Country Link
BE (2) BE496549A (zh)
DE (1) DE974668C (zh)
FR (2) FR62578E (zh)
GB (2) GB693978A (zh)
NL (1) NL79536C (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749712A (en) * 1949-11-25 1956-06-12 Gerlach Karl Mine supporting structure for working mines
DE1022992B (de) * 1951-05-15 1958-01-23 Gutehoffnungshuette Sterkrade Grubenausbaukappe mit Gelenkverbindung
DE1057042B (de) * 1952-05-07 1959-05-14 Wilhelm Meier Schaleisengelenkverbindung
LU32099A1 (zh) * 1952-05-31
DE1035602B (de) * 1952-08-13 1958-08-07 Aloys Vanwersch Schaleisen
DE1039973B (de) * 1952-08-13 1958-10-02 Aloys Vanwersch Keil fuer die gelenkige Verbindung von Kappen
DE1207319B (de) * 1964-06-06 1965-12-23 Aloys Vanwersch Kappenverbindung fuer den Grubenausbau in Untertagebetrieben

Also Published As

Publication number Publication date
BE496549A (zh) 1950-12-23
NL79536C (zh) 1955-11-15
GB716447A (en) 1954-10-06
GB693978A (en) 1953-07-08
DE974668C (de) 1961-03-23
FR993340A (fr) 1951-11-12
FR62578E (fr) 1955-06-15

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