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EP 0399072 B1 19921209 - PIECE OF JEWELLERY

Title (en)

PIECE OF JEWELLERY

Publication

EP 0399072 B1 19921209 (DE)

Application

EP 89109305 A 19890523

Priority

EP 89109305 A 19890523

Abstract (en)

[origin: EP0399072A1] Plate-shaped metallic pieces of jewellery are to be inexpensive, easy to process and superficially hard and, in particular, are to have shining light-optical effects. According to the invention, this is achieved by the use of a monocrystal (1), to which a layer (2) of a chemically different type of material is applied in an extremely thin layer thickness (a) of between 0.01 mu m and 2 mu m. <IMAGE>

IPC 1-7

A44C 27/00

IPC 8 full level

A44C 27/00 (2006.01)

CPC (source: EP US)

A44C 27/001 (2013.01 - EP US); A44C 27/006 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0399072 A1 19901128; EP 0399072 B1 19921209; AT E83134 T1 19921215; DE 58902973 D1 19930121; ES 2036295 T3 19930516; US 5087528 A 19920211

DOCDB simple family (application)

EP 89109305 A 19890523; AT 89109305 T 19890523; DE 58902973 T 19890523; ES 89109305 T 19890523; US 36788489 A 19890619