(19)
(11) EP 2 167 790 A1

(12)

(43) Date of publication:
31.03.2010 Bulletin 2010/13

(21) Application number: 08757037.0

(22) Date of filing: 02.07.2008
(51) International Patent Classification (IPC): 
E21C 35/18(2006.01)
(86) International application number:
PCT/AU2008/000969
(87) International publication number:
WO 2009/003233 (08.01.2009 Gazette 2009/02)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 02.07.2007 AU 2007903569 P
04.07.2007 AU 2007903627 P

(71) Applicant: The University of Sydney
Sydney, NSW 2006 (AU)

(72) Inventors:
  • ZHANG, Liangchi
    West Ryde, New South Wales 2114 (AU)
  • ARSECULARATNE, Joseph Alexander
    Hurstville, New South Wales 2220 (AU)

(74) Representative: Grosse, Wolf-Dietrich Rüdiger 
Valentin - Gihske - Grosse - Klüppel Patentanwälte Hammerstrasse 3
57072 Siegen
57072 Siegen (DE)

   


(54) CUTTING TIP AND TOOL