NL90361C - - Google Patents

Info

Publication number
NL90361C
NL90361C NL184122A NL184122A NL90361C NL 90361 C NL90361 C NL 90361C NL 184122 A NL184122 A NL 184122A NL 184122 A NL184122 A NL 184122A NL 90361 C NL90361 C NL 90361C
Authority
NL
Netherlands
Application number
NL184122A
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 NL90361C publication Critical patent/NL90361C/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B15/00Wheels or wheel attachments designed for increasing traction
    • B60B15/26Auxiliary wheels or rings with traction-increasing surface attachable to the main wheel body
    • 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/26Snap-action arrangements depending upon deformation of elastic members
    • H01H13/36Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs

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)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Bridges Or Land Bridges (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
NL184122A 1952-08-13 1954-01-06 NL90361C (lt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEE7081A DE1035602B (de) 1952-08-13 1952-08-13 Schaleisen
DEV13270A DE1043256B (de) 1952-08-13 1952-08-13 Keil fuer die gelenkige Verbindung von Kappen
DEV14000A DE1110590B (de) 1952-08-13 1958-03-06 Kappenverbindung fuer den Grubenausbau

Publications (1)

Publication Number Publication Date
NL90361C true NL90361C (lt) 1959-03-16

Family

ID=42830343

Family Applications (1)

Application Number Title Priority Date Filing Date
NL184122A NL90361C (lt) 1952-08-13 1954-01-06

Country Status (5)

Country Link
BE (1) BE576433A (lt)
DE (3) DE1035602B (lt)
FR (3) FR1082249A (lt)
GB (3) GB762750A (lt)
NL (1) NL90361C (lt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186014B (de) * 1960-07-04 1965-01-28 Heinrich Pierburg Fa Vorpfaendgelenkkappe, insbesondere fuer den Strebausbau

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE502676A (lt) *
FR993340A (fr) * 1951-04-23 1951-11-12 Bochumer Eisen Heintzmann Dispositif de soutènement pour exploitations minières par taille

Also Published As

Publication number Publication date
DE1035602B (de) 1958-08-07
FR66328E (fr) 1956-06-29
GB762750A (en) 1956-12-05
FR1082249A (fr) 1954-12-28
DE1043256B (de) 1958-11-13
GB762667A (en) 1956-12-05
GB862783A (en) 1961-03-15
DE1110590B (de) 1961-07-13
FR1218277A (fr) 1960-05-10
BE576433A (lt) 1959-03-31

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