Material for timepiece and jewellery
US-2020383438-A1 · Dec 10, 2020 · US
Method for manufacturing a luminescent horological component
US12129355B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12129355-B2 |
| Application number | US-202217720705-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 14, 2022 |
| Priority date | Jun 8, 2021 |
| Publication date | Oct 29, 2024 |
| Grant date | Oct 29, 2024 |
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- Title
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- Abstract
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- First independent claim
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Abstract
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The present invention relates to a method for manufacturing a luminescent horological component for a portable object.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for manufacturing a luminescent horological component for a portable object comprising the following steps: mixing an epoxy resin and a phosphorescent pigment in an amount of 40% by mass; adding to the mixture a fluorescent pigment in an amount of 3% by mass; optionally, adding silane to the mixture in an amount of 10% by mass; adding a hardener and mixing everything mechanically to obtain a homogenous solution; pouring under vacuum the solution obtained into a mould and cross-linking the solution to obtain a luminescent moulded part; after hardening, removing the part from the mould and blanking it by laser to obtain the luminescent horological component. 2. The manufacturing method according to claim 1 , comprising a last step during which the horological component is decorated by printing or etching. 3. The manufacturing method according to claim 1 , wherein the solution obtained is poured into the mould over a thickness of at least 0.4 mm. 4. The manufacturing method according to claim 1 , wherein the solution obtained is cross-linked for 4 hours at 80° C. 5. The manufacturing method according to claim 1 , wherein the hardener contains acid anhydride, phenol, amine, diisocyanates or triisocyanates with polyols containing at least two hydroxyl groups. 6. The manufacturing method according to claim 1 , wherein the luminescent horological component formed is a dial or a hand. 7. Luminescent horological component obtained via a method according to claim 1 .
Assignees
Inventors
Classifications
Additives being defined by their particle size in general · CPC title
Horology; Equipment therefor · CPC title
Fluorescent · CPC title
Pigments, colouring agents or opacifiyng agents · CPC title
Use of {EP, i.e.} epoxy resins {or derivatives thereof}, as moulding material · CPC title
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Frequently asked questions
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- What does patent US12129355B2 cover?
- The present invention relates to a method for manufacturing a luminescent horological component for a portable object.
- Who is the assignee on this patent?
- Swatch Group Res & Dev Ltd
- What technology area does this patent fall under?
- Primary CPC classification B29C39/003. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Oct 29 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).