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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 158 539 009 patent documents

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155 661 new documents added

1 150 346 documents amended

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EP 1032829 A1 20000906 - 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 20000906 (EN)

Application

EP 97952139 A 19971121

Priority

SE 9701967 W 19971121

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

G01N 27/90

IPC 8 full level

G01N 27/90 (2006.01)

CPC (source: EP)

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

DOCDB simple family (publication)

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

DOCDB simple family (application)

SE 9701967 W 19971121; CA 2310467 A 19971121; EP 97952139 A 19971121; JP 2000522446 A 19971121