JPS5523453A - Manufacture of hand for timepiece - Google Patents
Manufacture of hand for timepieceInfo
- Publication number
- JPS5523453A JPS5523453A JP9620578A JP9620578A JPS5523453A JP S5523453 A JPS5523453 A JP S5523453A JP 9620578 A JP9620578 A JP 9620578A JP 9620578 A JP9620578 A JP 9620578A JP S5523453 A JPS5523453 A JP S5523453A
- Authority
- JP
- Japan
- Prior art keywords
- hand body
- fitting hole
- hand
- coating part
- unprotective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Physical Vapour Deposition (AREA)
Abstract
PURPOSE: To manufacture effectively a thin hand body by forming a protective coating part covering a fitting hole provided to the hand body, the reverse edge surface of the fitting hole and the top surface and then by removing the unprotective coating part of the hand body by etching the hand body.
CONSTITUTION: After hand bodies 1 in a desired shape are continuously formed of a raw material by press work, the top surfaces of each hand body 1 is finished 1c by mechanical work such as diamond cutting. On the entire surface of hand body 1 after mechanical work finishing, positive type photoresist coat 3 is formed by dipping. Then, other parts except fitting hole 1b, reverse edge surface 1d of the fitting hole and top surface 1e are baked through exposure using the positive film so as to form protective coating part 4 and unprotective coating part 5. Next, unprotective part 5 is removed by etching to a desired depth to form projection 2. Lastly, protective coating 4 is removed and plating or painting is done to complete the manufacture. In this way, the thin hand body can be manufactured efficiently.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9620578A JPS5523453A (en) | 1978-08-09 | 1978-08-09 | Manufacture of hand for timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9620578A JPS5523453A (en) | 1978-08-09 | 1978-08-09 | Manufacture of hand for timepiece |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5523453A true JPS5523453A (en) | 1980-02-19 |
Family
ID=14158758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9620578A Pending JPS5523453A (en) | 1978-08-09 | 1978-08-09 | Manufacture of hand for timepiece |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5523453A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3133414A1 (en) * | 1980-08-25 | 1982-04-08 | Citizen Watch Co., Ltd., Tokyo | METHOD FOR PRODUCING A CLOCK HAND |
JPH02113188U (en) * | 1989-02-27 | 1990-09-11 |
-
1978
- 1978-08-09 JP JP9620578A patent/JPS5523453A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3133414A1 (en) * | 1980-08-25 | 1982-04-08 | Citizen Watch Co., Ltd., Tokyo | METHOD FOR PRODUCING A CLOCK HAND |
JPH02113188U (en) * | 1989-02-27 | 1990-09-11 |
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