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Watch with rigid assembled case, and method of case assembly
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A watch case, hard technology, used in the field of case assembly for such watches, to achieve good reliability and reduce the risk of collision
Inactive Publication Date: 2017-03-29
ROLEX SA
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[0005] While it is possible to insert a shock absorber such as an elastic collar between the case and the movement, this requires a lot of free space inside the case
Method used
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[0050] exist figure 1 Shown in the middle is a watch with a rigid assembled case according to a first embodiment of the invention.
[0051] The watch comprises a middle part 1 , a detachable base 2 , a movement 3 , an assembled case ring 4 and fasteners 5 .
[0052] The assembled case lining 4 for the movement is generally composed of a hard and non-elastic material with a Young modulus typically greater than 0.1 GPa and preferably greater than 50 GPa.
[0053] figure 2 The invention is shown in more detail. The ring preferably comprises a split 6 breaking its circumference. The splits 6 allow an improved elastic deformation of the ring, the free end boundaries of the splits 6 being able to move closer to each other, in this way reducing the inner diameter of the ring. Furthermore, the split 6 allows the passage of parts of the watch, such as the winding stem. The assembled case lining 4 also includes a frusto-conical inner peripheral surface 8 .
[0054] The expression...
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Abstract
The invention relates to a watch with a rigid assembled case comprising: a middle part (1); a base (2); a movement (3, 3bis, 3ter, 3quater, 41); and a Assemble the case linings (4, 4bis, 4ter, 42). Assembled case lining (4, 4bis, 4ter, 42) with inner peripheral surface (8, 17) and movement (3, 3bis, 3ter, 3quater, 41) fixed to outer peripheral surface (7, 13, 18, 18bis) , said inner peripheral surface (8, 17) and said outer peripheral surface (7, 13, 18, 18bis) are in contact with each other in their Z region and Z' region. The watch is characterized in that it also comprises fasteners (5, 5bis) for applying pressure to the assembled case lining (4, 4bis, 4ter, 42) or movement (3quater). The invention also relates to a method for case assembly of such a watch.
Description
technical field [0001] The invention relates to a watch with a rigid assembled case, and a method of case-assembling such a watch. Background technique [0002] The case assembly of the movement is usually completed by means of a sling that is inserted into a groove on the inner peripheral surface of the case and screwed into the movement or by means of a lining ring that assembles the case, that is, the movement is fixed in the case of the watch . [0003] In European patent application EP1 970 779 it is proposed to use two superimposed case-building rings for case-assembly, wherein the movement is held between these two superimposed case-building rings. These collars are themselves squeezed between the middle part of the watch and the base of said watch. One of the rings is provided with an opening allowing the passage of the winding stem. An annular joint is provided for the axial and radial retention of the second ring, so that the movement is also axially and radiall...
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Application Information
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