EP 2867734 B1 20160504 - MAINSPRING FOR A CLOCK PIECE
Title (en)
MAINSPRING FOR A CLOCK PIECE
Title (de)
TRIEBFEDER FÜR UHR
Title (fr)
RESSORT-MOTEUR POUR UNE PIECE D'HORLOGERIE
Publication
Application
Priority
- EP 12174129 A 20120628
- EP 2013061168 W 20130530
- EP 13725709 A 20130530
Abstract (en)
[origin: WO2014001017A1] The invention relates to a mainspring (1, 11, 21) comprising a metal strip (3, 13, 23) wound on itself. According to the invention, the mainspring (1, 11, 21) comprises a raised portion (5, 15, 22, 24, 25) forming a flange (7, 17, 27) integral with the strip (3, 13, 23). The invention also concerns the method for producing the mainspring.
IPC 8 full level
CPC (source: EP RU US)
G04B 1/14 (2013.01 - US); G04B 1/145 (2013.01 - EP US); G04B 1/185 (2013.01 - EP US); G04B 1/14 (2013.01 - RU)
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)
WO 2014001017 A1 20140103; CN 104412175 A 20150311; CN 104412175 B 20170517; EP 2867734 A1 20150506; EP 2867734 B1 20160504; HK 1208270 A1 20160226; JP 2015519578 A 20150709; JP 5961755 B2 20160802; RU 2015102621 A 20160820; RU 2634792 C2 20171103; US 2015277380 A1 20151001; US 9329571 B2 20160503
DOCDB simple family (application)
EP 2013061168 W 20130530; CN 201380034398 A 20130530; EP 13725709 A 20130530; HK 15108820 A 20150910; JP 2015516548 A 20130530; RU 2015102621 A 20130530; US 201314408752 A 20130530