Global Patent Index - EP 1612627 A1

EP 1612627 A1 20060104 - Bi-material autocompensating hairspring

Title (en)

Bi-material autocompensating hairspring

Title (de)

Spiralfeder aus zwei Materialen mit Selbstkompensation

Title (fr)

Spiral autocompensateur bi-matière

Publication

EP 1612627 A1 20060104 (FR)

Application

EP 04015580 A 20040702

Priority

EP 04015580 A 20040702

Abstract (en)

The hairspring has one assembly integrated with another assembly that comprises an inner curve (4). The curve is made of a material that is chosen for its mechanical properties and for facilitating the shapeability of the curve according to the most favorable contour for a concentric expansion of the hairspring. The curve has a contour of Grossman curve (14). The former assembly is made by utilizing a LIGA process. An independent claim is also included for a method for manufacturing an assembly of a hairspring.

IPC 8 full level

G04B 17/06 (2006.01)

CPC (source: EP KR US)

G04B 17/066 (2013.01 - EP KR US); G04B 17/20 (2013.01 - KR)

Citation (applicant)

CH 327796 A 19580215 - HORLOGERIE SUISSE S A ASUAG [CH], et al

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1612627 A1 20060104; EP 1612627 B1 20090506; AT E430953 T1 20090515; CN 1728017 A 20060201; CN 1728017 B 20100616; DE 602004020982 D1 20090618; HK 1082972 A1 20060623; JP 2006017734 A 20060119; JP 4852267 B2 20120111; KR 20060048633 A 20060518; RU 2005120604 A 20070110; RU 2363971 C2 20090810; TW 200613938 A 20060501; TW I382285 B 20130111; US 2006002241 A1 20060105; US 7229208 B2 20070612

DOCDB simple family (application)

EP 04015580 A 20040702; AT 04015580 T 20040702; CN 200510080763 A 20050630; DE 602004020982 T 20040702; HK 06102729 A 20060302; JP 2005194992 A 20050704; KR 20050056399 A 20050628; RU 2005120604 A 20050701; TW 94121675 A 20050628; US 16991105 A 20050630