(19)
(11) EP 1 606 487 A2

(12)

(88) Date of publication A3:
11.11.2004

(43) Date of publication:
21.12.2005 Bulletin 2005/51

(21) Application number: 03815272.4

(22) Date of filing: 11.12.2003
(51) International Patent Classification (IPC)7E21B 1/30
(86) International application number:
PCT/RO2003/000016
(87) International publication number:
WO 2004/072430 (26.08.2004 Gazette 2004/35)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 11.02.2003 RO 200300101

(71) Applicant: S.C. Ramira S.A.
430402 Maramures (RO)

(72) Inventor:
  • MATEESCU, Paul
    R-430211 Maramures (RO)

(74) Representative: Ciuda-Berivoe, Anca 
6 Alexandru Moruzzi Street Bl. B6, Sc. 2, Ap. 62 Sector 3
RO-7000 Bucharest
RO-7000 Bucharest (RO)

   


(54) PNEUMATIC PERFORATOR WITH INDEPENDENT ROTATION OF THE DRILL