(19)
(11)
EP 0 880 425 A1
(12)
(43)
Date of publication:
02.12.1998
Bulletin 1998/49
(21)
Application number:
97903702.0
(22)
Date of filing:
12.02.1997
(51)
International Patent Classification (IPC):
B24D
5/
16
( . )
B24D
7/
16
( . )
B22F
5/
10
( . )
(86)
International application number:
PCT/SE1997/000223
(87)
International publication number:
WO 1997/029885
(
21.08.1997
Gazette 1997/36)
(84)
Designated Contracting States:
DE FR GB IT SE
(30)
Priority:
14.02.1996
US 19960601631
(71)
Applicants:
SMITH INTERNATIONAL, INC.
Houston, Texas 77205 (US)
SANDVIK AKTIEBOLAG
811 81 Sandviken (SE)
(72)
Inventors:
PACKER, Scott, M.
Pleasant Grove, UT 84062 (US)
LITTECKE, Peter
S-141 72 Huddinge (SE)
(74)
Representative:
Taquist, Lennart
Sandvik AB Patent Department
811 81 SANDVIKEN
811 81 SANDVIKEN (SE)
(54)
PROCESS FOR MANUFACTURING INSERTS WITH HOLES FOR CLAMPING