FI20085226A - Working head for a scraper and scraper - Google Patents

Working head for a scraper and scraper Download PDF

Info

Publication number
FI20085226A
FI20085226A FI20085226A FI20085226A FI20085226A FI 20085226 A FI20085226 A FI 20085226A FI 20085226 A FI20085226 A FI 20085226A FI 20085226 A FI20085226 A FI 20085226A FI 20085226 A FI20085226 A FI 20085226A
Authority
FI
Finland
Prior art keywords
scraper
working head
working
head
Prior art date
Application number
FI20085226A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20085226A0 (en
FI120467B (en
Inventor
Harri Sakari Eerola
Original Assignee
Harri Sakari Eerola
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
Priority claimed from FI20070403U external-priority patent/FIU20070403U0/en
Application filed by Harri Sakari Eerola filed Critical Harri Sakari Eerola
Priority to FI20085226A priority Critical patent/FI120467B/en
Publication of FI20085226A0 publication Critical patent/FI20085226A0/en
Publication of FI20085226A publication Critical patent/FI20085226A/en
Application granted granted Critical
Publication of FI120467B publication Critical patent/FI120467B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/22—Hand tools or hand-held power-operated tools specially adapted for dislodging minerals
    • 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
    • E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level

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)
  • Environmental & Geological Engineering (AREA)
  • Shovels (AREA)
FI20085226A 2007-10-12 2008-03-14 Working head for a mountain cleaning device and mountain cleaning device FI120467B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20085226A FI120467B (en) 2007-10-12 2008-03-14 Working head for a mountain cleaning device and mountain cleaning device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI20070403 2007-10-12
FI20070403U FIU20070403U0 (en) 2007-10-12 2007-10-12 Flexible hinged boom
FI20085226A FI120467B (en) 2007-10-12 2008-03-14 Working head for a mountain cleaning device and mountain cleaning device
FI20085226 2008-03-14

Publications (3)

Publication Number Publication Date
FI20085226A0 FI20085226A0 (en) 2008-03-14
FI20085226A true FI20085226A (en) 2009-04-13
FI120467B FI120467B (en) 2009-10-30

Family

ID=39269521

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20085226A FI120467B (en) 2007-10-12 2008-03-14 Working head for a mountain cleaning device and mountain cleaning device

Country Status (1)

Country Link
FI (1) FI120467B (en)

Also Published As

Publication number Publication date
FI20085226A0 (en) 2008-03-14
FI120467B (en) 2009-10-30

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