Global Patent Index - EP 1032829 A1

EP 1032829 A1 2000-09-06 - A TESTING METHOD FOR MACHINED WORKPIECES

Title (en)

A TESTING METHOD FOR MACHINED WORKPIECES

Title (de)

TESTMETHODE FÜR BEARBEITETE WERKSTÜCKE

Title (fr)

METHODE D'ESSAI POUR PIECES USINEES

Publication

EP 1032829 A1 (EN)

Application

EP 97952139 A

Priority

SE 9701967 W

Abstract (en)

[origin: WO9927358A1] The invention refers to a method for determination of the presence, if any, of detrimental surface changes, such as increased hardness or residual stress in machined workpieces. For achieving a very reliable test result, the invention suggests that the determination is made with the aid of an eddy current probe of absolute-type.

IPC 1-7 (main, further and additional classification)

G01N 27/90

IPC 8 full level (invention and additional information)

G01N 27/90 (2006.01)

CPC (invention and additional information)

G01N 27/90 (2013.01)

Citation (search report)

See references of WO 9927358A1

Designated contracting state (EPC)

BE DE ES FI FR GB IT NL SE

EPO simple patent family

WO 9927358 A1 19990603; CA 2310467 A1 19990603; EP 1032829 A1 20000906; JP 2001524669 A 20011204

INPADOC legal status


2003-12-17 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030603

2000-09-06 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000520

2000-09-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE DE ES FI FR GB IT NL SE