(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)
7
:
E21B
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