Global Patent Index - EP 1051533 B1

EP 1051533 B1 2002-11-06 - MANUFACTURING PROCESS OF TITANIUM ALLOY WATCH PARTS

Title (en)

MANUFACTURING PROCESS OF TITANIUM ALLOY WATCH PARTS

Title (de)

VERFAHREN ZUR HERSTELLUNG VON UHRENTEILEN AUS TITAN-LEGIERUNG

Title (fr)

PROCEDE DE FABRICATION DE PIECES DE MONTRE EN ALLIAGE DE TITANE

Publication

EP 1051533 B1 (FR)

Application

EP 98900519 A

Priority

CH 9800028 W

Abstract (en)

[origin: WO9937827A1] The invention concerns a watch part made of the following alloy (composition expressed in weight percentage): aluminium 5.5 to 6.75; vanadium 3.5 to 4.5; nitrogen 0.05 maximum; carbon 0.1 maximum; hydrogen 0.015 maximum; iron 0.4 maximum; oxygen 0.2 maximum; various elements: 0.1 maximum each, 0.5 maximum altogether, the remainder being titanium. Said alloy enables the part to be machined and polished with standard tools and provide it with a mirror-like shine.

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

C22F 1/18; G04B 37/22

IPC 8 full level (invention and additional information)

C22C 14/00 (2006.01); C22F 1/00 (2006.01); C22F 1/18 (2006.01); G04B 37/22 (2006.01)

CPC (invention and additional information)

C22F 1/18 (2013.01); G04B 37/22 (2013.01)

Designated contracting state (EPC)

CH DE DK ES FR GB IT LI NL

DOCDB simple family

WO 9937827 A1 19990729; AU 5547398 A 19990809; CA 2318346 A1 19990729; DE 69809294 D1 20021212; DE 69809294 T2 20030821; EP 1051533 A1 20001115; EP 1051533 B1 20021106; ES 2183317 T3 20030316; JP 2002527611 A 20020827; KR 20010052152 A 20010625; TW 397940 B 20000711