NL73198C - - Google Patents

Info

Publication number
NL73198C
NL73198C NL145754A NL145754A NL73198C NL 73198 C NL73198 C NL 73198C NL 145754 A NL145754 A NL 145754A NL 145754 A NL145754 A NL 145754A NL 73198 C NL73198 C NL 73198C
Authority
NL
Netherlands
Application number
NL145754A
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
Application granted granted Critical
Publication of NL73198C publication Critical patent/NL73198C/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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604Connections specially adapted therefor
    • E04B1/2612Joist hangers

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
NL145754A 1949-05-03 1949-04-01 NL73198C (ja)

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
NL73198C true NL73198C (ja) 1953-09-15

Family

ID=9992789

Family Applications (1)

Application Number Title Priority Date Filing Date
NL145754A NL73198C (ja) 1949-05-03 1949-04-01

Country Status (5)

Country Link
BE (1) BE488429A (ja)
DE (1) DE829146C (ja)
FR (1) FR987597A (ja)
GB (1) GB672704A (ja)
NL (1) NL73198C (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977597C (de) * 1950-11-01 1967-06-22 Ludwig Vanwersch Ausbaukappe
CN108244759B (zh) * 2018-01-20 2024-04-16 张朝辉 一种沿条鞋及其注塑模具

Also Published As

Publication number Publication date
BE488429A (ja) 1949-04-30
DE829146C (de) 1952-01-24
FR987597A (fr) 1951-08-16
GB672704A (en) 1952-05-28

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