(19)
(11)
EP 0 124 575 A1
(12)
(43)
Date of publication:
14.11.1984
Bulletin 1984/46
(21)
Application number:
83903601.0
(22)
Date of filing:
31.10.1983
(51)
International Patent Classification (IPC):
B23B
31/
00
( . )
(86)
International application number:
PCT/SE1983/000372
(87)
International publication number:
WO 1984/001913
(
24.05.1984
Gazette 1984/13)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE
(30)
Priority:
10.11.1982
US 19820440739
(71)
Applicant:
NAESLUND, Roland
S-881 00 SOlleftea (SE)
(72)
Inventor:
NAESLUND, Roland
S-881 00 SOlleftea (SE)
(54)
DRILL CONSTRUCTION