(19)
(11) EP 1 135 230 A1

(12)

(43) Date of publication:
26.09.2001 Bulletin 2001/39

(21) Application number: 99948161.7

(22) Date of filing: 07.09.1999
(51) International Patent Classification (IPC)7: B23B 51/02
(86) International application number:
PCT/US9920/669
(87) International publication number:
WO 0117/719 (15.03.2001 Gazette 2001/11)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(71) Applicant: Ingersoll Cutting Tool Company
Rockford, IL 61103-4199 (US)

(72) Inventors:
  • HOEFLER, Brian, D.
    Rockford, IL 61108 (US)
  • KUMAR, Sumanth
    Rockford, IL 61109 (US)

(74) Representative: HOFFMANN - EITLE 
Patent- und RechtsanwälteArabellastrasse 4
81925 München
81925 München (DE)

   


(54) STIFF DRILL