Global Patent Index - EP 0244253 B1

EP 0244253 B1 19910123 - SURFACE TREATMENT OF TITANIUM ARTICLES

Title (en)

SURFACE TREATMENT OF TITANIUM ARTICLES

Publication

EP 0244253 B1 19910123 (EN)

Application

EP 87303900 A 19870430

Priority

JP 10053086 A 19860430

Abstract (en)

[origin: EP0244253A1] There is disclosed a titanium or titanium alloy article at least part of the surface of which comprises a surface treatment oxide covering produced by direct oxidation of the titanium or titanium alloy of the surface, the said surface treatment oxide covering comprising a hard titanium oxide outer layer as a wear surface. This process is especially suitable for treating those surfaces of engine parts, for example valves, valve retainers and connecting rods, that are either in contact or in sliding contact with other engine parts.

IPC 1-7

B32B 15/04; C22C 14/00; C23C 14/08; C23C 16/40; F01L 3/02; F16C 9/04

IPC 8 full level

C23C 8/16 (2006.01); C23C 8/10 (2006.01)

CPC (source: EP)

C23C 8/10 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0244253 A1 19871104; EP 0244253 B1 19910123; DE 3767550 D1 19910228; JP S62256956 A 19871109

DOCDB simple family (application)

EP 87303900 A 19870430; DE 3767550 T 19870430; JP 10053086 A 19860430