BE496549A - - Google Patents

Info

Publication number
BE496549A
BE496549A BE496549DA BE496549A BE 496549 A BE496549 A BE 496549A BE 496549D A BE496549D A BE 496549DA BE 496549 A BE496549 A BE 496549A
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 BE496549A publication Critical patent/BE496549A/xx

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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/70—Devices 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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Emergency Lowering Means (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)
BE496549D 1951-04-23 1950-06-23 BE496549A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE496549A true BE496549A (enrdf_load_stackoverflow) 1950-12-23

Family

ID=6626418

Family Applications (2)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE510061D BE510061A (enrdf_load_stackoverflow) 1951-04-23 1952-03-19

Country Status (5)

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

Cited By (2)

* 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
US2780067A (en) * 1951-05-15 1957-02-05 Gutehoffnungshuette Oberhausen Roof supporting means or cap and a method of positioning the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057042B (de) * 1952-05-07 1959-05-14 Wilhelm Meier Schaleisengelenkverbindung
LU32099A1 (enrdf_load_stackoverflow) * 1952-05-31
DE1043256B (de) * 1952-08-13 1958-11-13 Aloys Vanwersch Keil fuer die gelenkige Verbindung von Kappen
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

Cited By (2)

* 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
US2780067A (en) * 1951-05-15 1957-02-05 Gutehoffnungshuette Oberhausen Roof supporting means or cap and a method of positioning the same

Also Published As

Publication number Publication date
FR993340A (fr) 1951-11-12
BE510061A (enrdf_load_stackoverflow) 1952-09-19
FR62578E (fr) 1955-06-15
DE974668C (de) 1961-03-23
NL79536C (enrdf_load_stackoverflow) 1955-11-15
GB693978A (en) 1953-07-08
GB716447A (en) 1954-10-06

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