ES267916Y - Escudo de cuchillas. - Google Patents

Escudo de cuchillas.

Info

Publication number
ES267916Y
ES267916Y ES1980267916U ES267916U ES267916Y ES 267916 Y ES267916 Y ES 267916Y ES 1980267916 U ES1980267916 U ES 1980267916U ES 267916 U ES267916 U ES 267916U ES 267916 Y ES267916 Y ES 267916Y
Authority
ES
Spain
Prior art keywords
blade shield
shield
blade
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES1980267916U
Other languages
English (en)
Other versions
ES267916U (es
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
Publication of ES267916U publication Critical patent/ES267916U/es
Application granted granted Critical
Publication of ES267916Y publication Critical patent/ES267916Y/es
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Road Repair (AREA)
ES1980267916U 1979-06-02 1980-05-29 Escudo de cuchillas. Expired ES267916Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792922674 DE2922674A1 (de) 1979-06-02 1979-06-02 Messerschild

Publications (2)

Publication Number Publication Date
ES267916U ES267916U (es) 1983-05-01
ES267916Y true ES267916Y (es) 1983-11-16

Family

ID=6072441

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1980267916U Expired ES267916Y (es) 1979-06-02 1980-05-29 Escudo de cuchillas.

Country Status (5)

Country Link
JP (1) JPS55161196A (es)
AT (1) AT366148B (es)
CH (1) CH648382A5 (es)
DE (1) DE2922674A1 (es)
ES (1) ES267916Y (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937186A1 (de) * 1979-09-14 1981-04-02 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Messerschild
DE3813907A1 (de) * 1988-04-25 1989-11-02 Walbroehl H T Verfahren und vorrichtung zum ausbrechen und fertigausbauen von stollen, tunneln, schaechten od. dgl.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605750A1 (de) * 1976-02-13 1977-08-18 Willi Dr Heine Grosscontainergehaeuse als bewegliche isolierstation
DE2644899B2 (de) * 1976-10-05 1978-07-20 Hochtief Ag Fuer Hoch- Und Tiefbauten Vormals Gebr. Helfmann, 4300 Essen Tunnelvortriebsmaschine

Also Published As

Publication number Publication date
AT366148B (de) 1982-03-10
ES267916U (es) 1983-05-01
DE2922674C2 (es) 1987-10-29
ATA181280A (de) 1981-07-15
CH648382A5 (en) 1985-03-15
DE2922674A1 (de) 1980-12-11
JPS6217080B2 (es) 1987-04-15
JPS55161196A (en) 1980-12-15

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