CH559924A - Watch face made from mother of pearl - includes mother of pearl wafer attached to backing plate - Google Patents
Watch face made from mother of pearl - includes mother of pearl wafer attached to backing plateInfo
- Publication number
- CH559924A CH559924A CH993871A CH993871A CH559924A CH 559924 A CH559924 A CH 559924A CH 993871 A CH993871 A CH 993871A CH 993871 A CH993871 A CH 993871A CH 559924 A CH559924 A CH 559924A
- Authority
- CH
- Switzerland
- Prior art keywords
- pearl
- mother
- backing plate
- wafer
- watch face
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/12—Selection of materials for dials or graduations markings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The watch face is made by attaching a thin wafer of mother of pearl to a backing plate using translucent elements between the two, with the rear surface of the mother of pearl wafer, facing the backing plate, being coated with a protective varnish. A double-sided adhesive tape is then inserted between the backing plate and the mother of pearl wafer, to secure the two together. The luminescent elements, which may be tritium, are visible through the mother of pearl wafer in low ambient light conditions, to indicate the dial numerals. The varnish, applied to the rear surface of the wafer, may be coloured.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH993871D CH993871A4 (en) | 1971-07-07 | 1971-07-07 | |
CH993871A CH559924A (en) | 1971-07-07 | 1971-07-07 | Watch face made from mother of pearl - includes mother of pearl wafer attached to backing plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH993871A CH559924A (en) | 1971-07-07 | 1971-07-07 | Watch face made from mother of pearl - includes mother of pearl wafer attached to backing plate |
Publications (2)
Publication Number | Publication Date |
---|---|
CH559924B5 CH559924B5 (en) | |
CH559924A true CH559924A (en) | 1975-03-14 |
Family
ID=4357301
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH993871A CH559924A (en) | 1971-07-07 | 1971-07-07 | Watch face made from mother of pearl - includes mother of pearl wafer attached to backing plate |
CH993871D CH993871A4 (en) | 1971-07-07 | 1971-07-07 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH993871D CH993871A4 (en) | 1971-07-07 | 1971-07-07 |
Country Status (1)
Country | Link |
---|---|
CH (2) | CH559924A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3671365A1 (en) | 2018-12-19 | 2020-06-24 | The Swatch Group Research and Development Ltd | Timepiece dial |
-
1971
- 1971-07-07 CH CH993871A patent/CH559924A/en not_active IP Right Cessation
- 1971-07-07 CH CH993871D patent/CH993871A4/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3671365A1 (en) | 2018-12-19 | 2020-06-24 | The Swatch Group Research and Development Ltd | Timepiece dial |
Also Published As
Publication number | Publication date |
---|---|
CH993871A4 (en) | 1974-10-15 |
CH559924B5 (en) |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |