JPS5523453A - Manufacture of hand for timepiece - Google Patents

Manufacture of hand for timepiece

Info

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
Application number
JP9620578A
Other languages
Japanese (ja)
Inventor
Tadashi Ishiyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP9620578A priority Critical patent/JPS5523453A/en
Publication of JPS5523453A publication Critical patent/JPS5523453A/en
Pending legal-status Critical Current

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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
JP9620578A 1978-08-09 1978-08-09 Manufacture of hand for timepiece Pending JPS5523453A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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