PL204746A1 - Odrzwia chodnikowe - Google Patents

Odrzwia chodnikowe

Info

Publication number
PL204746A1
PL204746A1 PL20474678A PL20474678A PL204746A1 PL 204746 A1 PL204746 A1 PL 204746A1 PL 20474678 A PL20474678 A PL 20474678A PL 20474678 A PL20474678 A PL 20474678A PL 204746 A1 PL204746 A1 PL 204746A1
Authority
PL
Poland
Prior art keywords
doorframes
sidewalk
sidewalk doorframes
Prior art date
Application number
PL20474678A
Other languages
English (en)
Original Assignee
Bochumer Eisen Heintzmann
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 by Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Publication of PL204746A1 publication Critical patent/PL204746A1/pl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/34—Joints between vertical props and horizontal top bars

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Bridges Or Land Bridges (AREA)
PL20474678A 1977-02-18 1978-02-18 Odrzwia chodnikowe PL204746A1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772706921 DE2706921C3 (de) 1977-02-18 1977-02-18 Streckenausbaurahmen

Publications (1)

Publication Number Publication Date
PL204746A1 true PL204746A1 (pl) 1978-11-20

Family

ID=6001514

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20474678A PL204746A1 (pl) 1977-02-18 1978-02-18 Odrzwia chodnikowe

Country Status (2)

Country Link
DE (1) DE2706921C3 (pl)
PL (1) PL204746A1 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT355535B (de) * 1978-05-31 1980-03-10 Voest Ag Ausbaurahmen
DE2853089C3 (de) * 1978-12-08 1982-08-19 Huta-Hegerfeld Ag, 4300 Essen Auskleidung für einen Tunnel
GB2240353A (en) * 1990-01-25 1991-07-31 British Steel Plc Underground support arch.
CN106988766A (zh) * 2017-02-17 2017-07-28 李培培 一种u型钢加强用扣接装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1858719A (en) * 1929-10-11 1932-05-17 Queens Hugo Prop construction for mines
DE1910018U (de) * 1962-07-26 1965-02-18 Bochumer Eisen Heintzmann Ausbaugestell von etwa tuerstockartiger gestalt fuer den streckenausbau.

Also Published As

Publication number Publication date
DE2706921A1 (de) 1978-08-24
DE2706921C3 (de) 1984-07-26
DE2706921B2 (de) 1978-12-07

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