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US20090303842 |
MAINSPRING
Mainspring for a mechanism driven by a motor spring, especially for a timepiece, formed from a ribbon of metallic glass material. This ribbon is monolithic and has a thickness of greater than 50 μm. |
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US20090016173 |
SPIRAL SPRING MADE OF ATHERMAL GLASS FOR CLOCKWORK MOVEMENT AND METHOD FOR MAKING SAME
The balance spring is made from a photostructurable glass plate by UV irradiation, thermal treatment and etching, said glass having a Young's modulus thermal coefficient CTE0. The value CTE0 of... |
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US20090116343 |
Balance spring, regulated balance wheel assembly and methods of manufacture thereof
A balance spring comprising a flat spiral coil and a non-elastic inner attachment part formed by laser beam cutting. The spring has an outer attachment plate in the plane of the coil formed with a... |
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US20070133355 |
Timepiece and spring thereof
[Object] To provide a timepiece spring whereby it is possible to ensure high precision and stable operation of precision mechanisms such as timepieces, and to provide a timepiece spring, a... |
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US20090067296 |
Timepiece
A timepiece comprising a main energy storing device, a gear train coupled to the main energy storing device, a tensioning element coupled to the gear train, the tensioning element configured to be... |
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US20140056113 |
TIMEPIECE MOVEMENT WITH POWER RESERVE FOR EXTENDED OPERATION
A mechanical timepiece movement, including a spiral spring, a barrel, the spiral spring accommodated in the barrel as an energy storage, the barrel transmitting energy of the spiral spring by a... |
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US20120281510 |
METHOD FOR MAKING A SPRING FOR A TIMEPIECE
The invention relates to a method for making a spring for a timepiece that comprises at least one monobloc ribbon of metal glass including at least one curvature. The method is characterized in... |
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US20130083633 |
BARREL SPRING
A barrel spring (10) for a mechanism driven by a mainspring, in particular for a timepiece, includes a unitary ribbon of metallic glass. The object is to integrate at least one additional function... |
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US20140003203 |
MAINSPRING FOR A TIMEPIECE
The invention relates to a mainspring (1) including a metal strip (3). According to the invention, the metal is austenitic steel (5) in order to limit sensitivity to magnetic fields and at least... |
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US20140064043 |
METHOD FOR PRODUCING TIMEPIECE SPRING, DEVICE FOR PRODUCING TIMEPIECE SPRING, TIMEPIECE SPRING, AND TIMEPIECE
A method for producing a timepiece spring includes a step for producing, by casting, a metallic glass raw material constituted of a metallic glass; a step for heating the metallic glass raw... |
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US20110222376 |
DRIVING MECHANISM FOR A CLOCK MOVEMENT
A driving member for a timepiece movement includes a shaft, and a drum and a rotating member both mounted on the shaft. The drum and the rotating member are able to rotate with respect to each... |
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US20140160902 |
DEVICE FOR ASSEMBLING AND LOCKING A JOINT
The invention relates to a system of assembling a member, made of a first material, in the aperture of a part made of a second material having no plastic domain, using an intermediate portion made... |
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US20160147195 |
TIMEPIECE SPRING MADE OF AUSTENITIC STAINLESS STEEL
A timepiece spring, as a mainspring, made of austenitic stainless steel including a base formed of iron and chromium, thickness of the spring being less than 0.20 mm, and the spring including, by... |
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US20160085214 |
TIMEPIECE MECHANISM COMPRISING A MOVABLE OSCILLATING COMPONENT WITH OPTIMISED GEOMETRY IN A MAGNETIC ENVIRONMENT
A timepiece mechanism including a movable component oscillating about a rest plane passing through a pivot axis. An arbor of the movable component includes a main protruding portion which forms... |
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US20150277380 |
MAINSPRING FOR A TIMEPIECE
A mainspring including a metallic strip wound on itself. The mainspring includes an excess thickness forming a bridle in one-piece with the strip. |