BE488429A - - Google Patents

Info

Publication number
BE488429A
BE488429A BE488429DA BE488429A BE 488429 A BE488429 A BE 488429A BE 488429D A BE488429D A BE 488429DA BE 488429 A BE488429 A BE 488429A
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 BE488429A publication Critical patent/BE488429A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E04B1/2612—Joist hangers
BE488429D 1949-05-03 1949-04-15 BE488429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1179249A GB672704A (en) 1949-05-03 1949-05-03 Improvements in or relating to means for the end-to-end connection of roof supporting bars in underground workings

Publications (1)

Publication Number Publication Date
BE488429A true BE488429A (en) 1949-04-30

Family

ID=9992789

Family Applications (1)

Application Number Title Priority Date Filing Date
BE488429D BE488429A (en) 1949-05-03 1949-04-15

Country Status (5)

Country Link
BE (1) BE488429A (en)
DE (1) DE829146C (en)
FR (1) FR987597A (en)
GB (1) GB672704A (en)
NL (1) NL73198C (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
CN108244759B (en) * 2018-01-20 2024-04-16 张朝辉 Welt shoes and injection mold thereof

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
GB672704A (en) 1952-05-28
DE829146C (en) 1952-01-24
NL73198C (en) 1953-09-15
FR987597A (en) 1951-08-16

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