BE499524A - - Google Patents

Info

Publication number
BE499524A
BE499524A BE499524DA BE499524A BE 499524 A BE499524 A BE 499524A BE 499524D A BE499524D A BE 499524DA BE 499524 A BE499524 A BE 499524A
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.)
Publication of BE499524A publication Critical patent/BE499524A/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

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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Bridges Or Land Bridges (AREA)
BE499524D 1949-11-25 BE499524A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE719215X 1949-11-25

Publications (1)

Publication Number Publication Date
BE499524A true BE499524A (de)

Family

ID=6627150

Family Applications (1)

Application Number Title Priority Date Filing Date
BE499524D BE499524A (de) 1949-11-25

Country Status (3)

Country Link
BE (1) BE499524A (de)
FR (1) FR1028354A (de)
GB (1) GB719215A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064008B (de) * 1953-02-27 1959-08-27 Gutehoffnungshuette Sterkrade Gelenkverbindung zweier Grubenausbaukappen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064008B (de) * 1953-02-27 1959-08-27 Gutehoffnungshuette Sterkrade Gelenkverbindung zweier Grubenausbaukappen

Also Published As

Publication number Publication date
GB719215A (en) 1954-12-01
FR1028354A (fr) 1953-05-21

Similar Documents

Publication Publication Date Title
AT166754B (de)
AT193848B (de)
BE488341A (de)
BE491885A (de)
BE155588A (de)
BE437616A (de)
BE449134A (de)
BE457200A (de)
BE476015A (de)
BE476643A (de)
BE476829A (de)
BE479156A (de)
BE480597A (de)
BE480618A (de)
BE482756A (de)
BE483443A (de)
BE483689A (de)
BE485768A (de)
BE485770A (de)
BE486689A (de)
BE486819A (de)
BE487077A (de)
BE487289A (de)
BE487335A (de)
BE487425A (de)