EP 3550383 B1 20240515 - TIMEPIECE CASE
Title (en)
TIMEPIECE CASE
Title (de)
UHRENGEHÄUSE
Title (fr)
BOÎTIER DE MONTRE
Publication
Application
Priority
- JP 2016231463 A 20161129
- JP 2017042815 W 20171129
Abstract (en)
[origin: EP3550383A1] A timepiece case according to the present disclosure is formed of ceramics. Further, the timepiece case includes a fitting surface facing a lid member when the lid member is fitted to the timepiece case. An arithmetic mean roughness Ra of the fitting surface which is obtained from a roughness profile, is 0.6 µm or less, and a reduced peak height Rpk of the fitting surface which is obtained from the roughness profile, is 0.9 µm or less.
IPC 8 full level
G04B 37/22 (2006.01); G04B 37/11 (2006.01); G04C 10/00 (2006.01); G04G 17/02 (2006.01)
CPC (source: EP)
G04B 37/11 (2013.01); G04B 37/22 (2013.01); G04C 10/00 (2013.01); G04G 17/02 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3550383 A1 20191009; EP 3550383 A4 20200708; EP 3550383 B1 20240515; CN 109997085 A 20190709; CN 109997085 B 20211224; JP 6419391 B2 20181107; JP WO2018101332 A1 20181206; WO 2018101332 A1 20180607
DOCDB simple family (application)
EP 17875698 A 20171129; CN 201780073184 A 20171129; JP 2017042815 W 20171129; JP 2018525482 A 20171129