BE903922A - KNIFE SHIELD WITH VARIABLE CROSS SECTION. - Google Patents

KNIFE SHIELD WITH VARIABLE CROSS SECTION.

Info

Publication number
BE903922A
BE903922A BE0/216047A BE216047A BE903922A BE 903922 A BE903922 A BE 903922A BE 0/216047 A BE0/216047 A BE 0/216047A BE 216047 A BE216047 A BE 216047A BE 903922 A BE903922 A BE 903922A
Authority
BE
Belgium
Prior art keywords
section
variable cross
knife shield
knives
digging
Prior art date
Application number
BE0/216047A
Other languages
French (fr)
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of BE903922A publication Critical patent/BE903922A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0692—Cutter drive shields

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Details Of Cutting Devices (AREA)
  • Soil Working Implements (AREA)

Abstract

Un bouclier à couteaux pour le creusement de tunnels ou de galeries comportant un bati de soutien et des couteaux rapportés (5). Les couteaux rapportés (5) sont, soit reliés de façon amovible aux couteaux de creusement (3) soit, en variante, solidarisés par soudure des couteaux de creusement (3).A knife shield for digging tunnels or galleries with a support frame and attached knives (5). The attached knives (5) are either detachably connected to the digging knives (3) or, alternatively, secured by welding the digging knives (3).

BE0/216047A 1984-12-22 1985-12-20 KNIFE SHIELD WITH VARIABLE CROSS SECTION. BE903922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3447120A DE3447120A1 (en) 1984-12-22 1984-12-22 KNIFE BLADE WITH CHANGEABLE CROSS-SECTION

Publications (1)

Publication Number Publication Date
BE903922A true BE903922A (en) 1986-04-16

Family

ID=6253686

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/216047A BE903922A (en) 1984-12-22 1985-12-20 KNIFE SHIELD WITH VARIABLE CROSS SECTION.

Country Status (7)

Country Link
JP (1) JPS61155593A (en)
BE (1) BE903922A (en)
DE (1) DE3447120A1 (en)
ES (1) ES296554Y (en)
FR (1) FR2582347B1 (en)
GB (1) GB2168735B (en)
IT (2) IT1188075B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725963A1 (en) * 1987-08-05 1989-02-16 Gewerk Eisenhuette Westfalia Method and apparatus for constructing a concrete foundation in the earth, in particular in a built-up area
AT399203B (en) * 1992-05-29 1995-04-25 Mayreder Kraus & Co Ing Apparatus for driving tunnels and galleries

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2500271C2 (en) * 1975-01-04 1983-12-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shoring shield for tunnel or gallery driving and the like.
DE2547021C3 (en) * 1975-10-21 1984-11-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shoring sign
DE2646552C2 (en) * 1976-10-15 1984-10-11 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Spreading shield, in particular roof shield, for driving into underground cavities, such as above all routes in underground mining operations
DE2742332B2 (en) * 1977-09-20 1981-03-19 Heinz-Theo Dipl.-Ing. 5300 Bonn Walbröhl Method for controlling the propulsion device of a knife shield as well as a knife shield propulsion device and a propulsion knife for carrying out such a method
DE2748628C2 (en) * 1977-10-29 1985-10-31 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Connection between a leading knife and a trailing knife of a knife shield
DE8112005U1 (en) * 1981-04-22 1983-03-24 Gkn Keller Gmbh, 6050 Offenbach DISCONNECTING DEVICE FOR LOSSING AND RELEASING LOCKING STONE IN SECTOR DRIVING AND TUNNEL CONSTRUCTION
GB2133439B (en) * 1982-12-03 1986-03-12 Mitsui Constr Method of enlarging a tunnel

Also Published As

Publication number Publication date
GB2168735B (en) 1987-11-18
FR2582347B1 (en) 1990-10-05
IT1188075B (en) 1987-12-30
JPS61155593A (en) 1986-07-15
ES296554Y (en) 1988-05-16
DE3447120A1 (en) 1986-06-26
FR2582347A1 (en) 1986-11-28
IT8515278V0 (en) 1985-11-29
ES296554U (en) 1987-11-16
GB8531323D0 (en) 1986-01-29
GB2168735A (en) 1986-06-25
IT8512619A0 (en) 1985-11-29

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEWERKSCHAFT EISENHUTTE WESTFALIA

Effective date: 19911231