HK1178377A2 - Hairspring design for concentricity - Google Patents

Hairspring design for concentricity

Info

Publication number
HK1178377A2
HK1178377A2 HK12106963.6A HK12106963A HK1178377A2 HK 1178377 A2 HK1178377 A2 HK 1178377A2 HK 12106963 A HK12106963 A HK 12106963A HK 1178377 A2 HK1178377 A2 HK 1178377A2
Authority
HK
Hong Kong
Prior art keywords
concentricity
hairspring
design
hairspring design
Prior art date
Application number
HK12106963.6A
Inventor
Ching Ho
Original Assignee
Master Dynamic Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Master Dynamic Ltd filed Critical Master Dynamic Ltd
Priority to HK12106963.6A priority Critical patent/HK1178377A2/en
Priority to US13/944,554 priority patent/US9658598B2/en
Priority to EP13176889.7A priority patent/EP2687917A3/en
Priority to CN201310300281.8A priority patent/CN103543630B/en
Publication of HK1178377A2 publication Critical patent/HK1178377A2/en

Links

HK12106963.6A 2012-07-17 2012-07-17 Hairspring design for concentricity HK1178377A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
HK12106963.6A HK1178377A2 (en) 2012-07-17 2012-07-17 Hairspring design for concentricity
US13/944,554 US9658598B2 (en) 2012-07-17 2013-07-17 Hairspring for a time piece and hairspring design for concentricity
EP13176889.7A EP2687917A3 (en) 2012-07-17 2013-07-17 Hairspring for a timepiece and hairspring design for concentricity
CN201310300281.8A CN103543630B (en) 2012-07-17 2013-07-17 Method for improving concentricity when using spiral spring mechanical watch and spiral spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HK12106963.6A HK1178377A2 (en) 2012-07-17 2012-07-17 Hairspring design for concentricity

Publications (1)

Publication Number Publication Date
HK1178377A2 true HK1178377A2 (en) 2013-09-06

Family

ID=49115686

Family Applications (1)

Application Number Title Priority Date Filing Date
HK12106963.6A HK1178377A2 (en) 2012-07-17 2012-07-17 Hairspring design for concentricity

Country Status (2)

Country Link
CN (1) CN103543630B (en)
HK (1) HK1178377A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3159747A1 (en) * 2015-10-22 2017-04-26 ETA SA Manufacture Horlogère Suisse Compact hairspring with constant cross-section
JP6789140B2 (en) * 2017-01-31 2020-11-25 セイコーインスツル株式会社 Temperature-compensated balance, movement and watch
CN115146377B (en) * 2022-06-23 2023-02-24 西北工业大学 Coordinated design method for structural rigidity of aircraft with layout of connecting wings
EP4372479A1 (en) * 2022-11-18 2024-05-22 Richemont International S.A. Method for manufacturing timepiece hairsprings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8414185B2 (en) * 2007-11-28 2013-04-09 Manufacture Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S.A. Mechanical oscillator having an optimized thermoelastic coefficient
EP2233989A1 (en) * 2009-03-24 2010-09-29 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Hairspring and its index-assembly
CH701846B8 (en) * 2009-09-21 2015-06-15 Rolex Sa Flat spiral for clockwork pendulum and balance-sprung assembly.
EP2410387B1 (en) * 2010-07-19 2016-07-06 Nivarox-FAR S.A. balance wheel with inertia adjustment without insert

Also Published As

Publication number Publication date
CN103543630A (en) 2014-01-29
CN103543630B (en) 2017-09-08

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Legal Events

Date Code Title Description
PEU Short-term patents expired

Effective date: 20200716