Device for attaching a back cover on a middle for a clockpiece
The device with a deformable ring and ribs addresses the challenge of secure and watertight watch casing by ensuring easy angular indexing and alignment, enhancing durability and cost-effectiveness.
EP3958068B1Active Publication Date: 2025-11-05THE SWATCH GRP RES & DEVELONMENT LTD
Patent Information
- Application Number
- EP2020191393
- Authority / Receiving Office
- EP · EP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2020-08-17
- Publication Date
- 2025-11-05
- Estimated Expiration
- 2040-08-17
Smart Images
Figure IMGF0001 
Figure IMGF0002
Abstract
The invention relates to a device for fixing a case back to a watch case, the case back comprising a cover arranged to form a bearing surface with the case and a body arranged to rest in the case, said device comprising a ring disposed between the case back and the case, said ring being arranged to ensure the sealing and indexing of the case back, characterized in that the ring comprises an upper part ensuring the sealing and a middle part comprising positioning means to ensure precise placement of the case back.
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Citation Information
Patent Citations
waterproof watch box
CH423637A
shape watch box with elastic locks
CH447046A
watch box
CH512769A
JP1979160175U
Exterior sub-assembly for a timepiece or watch or piece of jewellery
US20180032034A1