IT1226232B - Dispositivo di spostamento di un supporto per la riduzione dell'usura di una guida dello stesso. - Google Patents

Dispositivo di spostamento di un supporto per la riduzione dell'usura di una guida dello stesso.

Info

Publication number
IT1226232B
IT1226232B IT8821291A IT2129188A IT1226232B IT 1226232 B IT1226232 B IT 1226232B IT 8821291 A IT8821291 A IT 8821291A IT 2129188 A IT2129188 A IT 2129188A IT 1226232 B IT1226232 B IT 1226232B
Authority
IT
Italy
Prior art keywords
guide
move
support
same
reduce wear
Prior art date
Application number
IT8821291A
Other languages
English (en)
Italian (it)
Other versions
IT8821291A0 (it
Inventor
Peter Kogler
Original Assignee
Voest Alpine Ag
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 Voest Alpine Ag filed Critical Voest Alpine Ag
Publication of IT8821291A0 publication Critical patent/IT8821291A0/it
Application granted granted Critical
Publication of IT1226232B publication Critical patent/IT1226232B/it

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
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket

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)
  • Earth Drilling (AREA)
IT8821291A 1987-07-08 1988-07-08 Dispositivo di spostamento di un supporto per la riduzione dell'usura di una guida dello stesso. IT1226232B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0173087A AT388025B (de) 1987-07-08 1987-07-08 Verschiebeeinrichtung fuer einen support zum verringern des verschleisses einer fuehrung desselben

Publications (2)

Publication Number Publication Date
IT8821291A0 IT8821291A0 (it) 1988-07-08
IT1226232B true IT1226232B (it) 1990-12-27

Family

ID=3519768

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8821291A IT1226232B (it) 1987-07-08 1988-07-08 Dispositivo di spostamento di un supporto per la riduzione dell'usura di una guida dello stesso.

Country Status (3)

Country Link
AT (1) AT388025B (de)
FR (1) FR2617902B1 (de)
IT (1) IT1226232B (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE355499A (de) * 1928-11-01
FR1593032A (de) * 1967-10-06 1970-05-25
DE2437669C3 (de) * 1974-08-05 1978-04-27 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Vortriebsvorrichtung für das Auffahren von Tunneln, Stollen und Strecken
DE2827767A1 (de) * 1978-06-24 1980-01-10 Gewerk Eisenhuette Westfalia Abbau- und vortriebsmaschine
DE2902908A1 (de) * 1979-01-26 1980-07-31 Gewerk Eisenhuette Westfalia Vortriebseinrichtung, insbesondere fuer den schildvortrieb von tunneln, stollen u.dgl.
DE3413911A1 (de) * 1984-04-13 1985-10-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Vorrichtung zum abbau von kohlenfloezen
GB2175329A (en) * 1985-05-21 1986-11-26 Coal Ind Excavating machines for forming tunnels and underground mine roadways

Also Published As

Publication number Publication date
ATA173087A (de) 1988-09-15
IT8821291A0 (it) 1988-07-08
FR2617902A1 (fr) 1989-01-13
AT388025B (de) 1989-04-25
FR2617902B1 (fr) 1996-02-09

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940630