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HK1178376A2 - Hairspring for mechanical timepiece - Google Patents

Hairspring for mechanical timepiece

Info

Publication number
HK1178376A2
HK1178376A2 HK12106962.7A HK12106962A HK1178376A2 HK 1178376 A2 HK1178376 A2 HK 1178376A2 HK 12106962 A HK12106962 A HK 12106962A HK 1178376 A2 HK1178376 A2 HK 1178376A2
Authority
HK
Hong Kong
Prior art keywords
hairspring
mechanical timepiece
timepiece
mechanical
Prior art date
Application number
HK12106962.7A
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 HK12106962.7A priority Critical patent/HK1178376A2/en
Priority to EP13176889.7A priority patent/EP2687917A3/en
Priority to CN201320532626.8U priority patent/CN203643750U/en
Priority to CN201310384118.4A priority patent/CN103543631A/en
Priority to US13/944,554 priority patent/US9658598B2/en
Publication of HK1178376A2 publication Critical patent/HK1178376A2/en

Links

HK12106962.7A 2012-07-17 2012-07-17 Hairspring for mechanical timepiece HK1178376A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
HK12106962.7A HK1178376A2 (en) 2012-07-17 2012-07-17 Hairspring for mechanical timepiece
EP13176889.7A EP2687917A3 (en) 2012-07-17 2013-07-17 Hairspring for a timepiece and hairspring design for concentricity
CN201320532626.8U CN203643750U (en) 2012-07-17 2013-07-17 Hairspring for mechanical timepiece
CN201310384118.4A CN103543631A (en) 2012-07-17 2013-07-17 Hairspring for mechanical timepiece
US13/944,554 US9658598B2 (en) 2012-07-17 2013-07-17 Hairspring for a time piece and hairspring design for concentricity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HK12106962.7A HK1178376A2 (en) 2012-07-17 2012-07-17 Hairspring for mechanical timepiece

Publications (1)

Publication Number Publication Date
HK1178376A2 true HK1178376A2 (en) 2013-09-06

Family

ID=49115685

Family Applications (1)

Application Number Title Priority Date Filing Date
HK12106962.7A HK1178376A2 (en) 2012-07-17 2012-07-17 Hairspring for mechanical timepiece

Country Status (2)

Country Link
CN (2) CN103543631A (en)
HK (1) HK1178376A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HK1178376A2 (en) * 2012-07-17 2013-09-06 Master Dynamic Ltd Hairspring for mechanical timepiece
EP2908183B1 (en) * 2014-02-14 2018-04-18 ETA SA Manufacture Horlogère Suisse Clock hairspring
EP2908188B1 (en) * 2014-02-17 2018-06-27 The Swatch Group Research and Development Ltd. Adjustment of a clock piece resonator by changing the rigidity of a resilient return means
EP3304215B1 (en) * 2015-06-03 2019-03-06 ETA SA Manufacture Horlogère Suisse Resonator with fine tuning through index-assembly

Family Cites Families (5)

* 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
HK1178376A2 (en) * 2012-07-17 2013-09-06 Master Dynamic Ltd Hairspring for mechanical timepiece

Also Published As

Publication number Publication date
CN103543631A (en) 2014-01-29
CN203643750U (en) 2014-06-11

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Legal Events

Date Code Title Description
PEU Short-term patents expired

Effective date: 20200716