HUT62064A - Core drill - Google Patents

Core drill

Info

Publication number
HUT62064A
HUT62064A HU218087A HU218087A HUT62064A HU T62064 A HUT62064 A HU T62064A HU 218087 A HU218087 A HU 218087A HU 218087 A HU218087 A HU 218087A HU T62064 A HUT62064 A HU T62064A
Authority
HU
Hungary
Prior art keywords
rotation
axis
distance
core drill
angle
Prior art date
Application number
HU218087A
Other languages
Hungarian (hu)
Inventor
Imre Balazs
Laszlo Hildebrand
Sandor Keszei
Andras Tatar
Ivan Toeroek
Arpad Oesz
Original Assignee
Dunantuli Koeolajipari Gepgyar
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 Dunantuli Koeolajipari Gepgyar filed Critical Dunantuli Koeolajipari Gepgyar
Priority to HU218087A priority Critical patent/HUT62064A/en
Publication of HUT62064A publication Critical patent/HUT62064A/en

Links

Landscapes

  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)

Abstract

The hollow core drill has at its lower end, supports which hold diamond-studded cutter plates. These are all set with a front angle of identical, negative value and with a guide angle which varies with the distance from the drill's angle of rotation. The distance from the axis of rotation to the inner edge of the cutting plate furthest from the axis of rotation is less than the distance from the axis of rotation to the outer edge of at least one of the cutting plates nearer to the axis of rotation.
HU218087A 1987-05-15 1987-05-15 Core drill HUT62064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU218087A HUT62064A (en) 1987-05-15 1987-05-15 Core drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU218087A HUT62064A (en) 1987-05-15 1987-05-15 Core drill

Publications (1)

Publication Number Publication Date
HUT62064A true HUT62064A (en) 1993-03-29

Family

ID=10958159

Family Applications (1)

Application Number Title Priority Date Filing Date
HU218087A HUT62064A (en) 1987-05-15 1987-05-15 Core drill

Country Status (1)

Country Link
HU (1) HUT62064A (en)

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Legal Events

Date Code Title Description
DFA9 Temporary prot. cancelled due to abandonment