JPS5752544A - Production of hand - Google Patents
Production of handInfo
- Publication number
- JPS5752544A JPS5752544A JP55128113A JP12811380A JPS5752544A JP S5752544 A JPS5752544 A JP S5752544A JP 55128113 A JP55128113 A JP 55128113A JP 12811380 A JP12811380 A JP 12811380A JP S5752544 A JPS5752544 A JP S5752544A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- hand
- coining
- same time
- rear surface
- 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
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
Abstract
PURPOSE: To obtain a hand of good appearance by projecting a pipe by coining to the rear surface of a second hand body and at the same time, providing a hole part for mounting movement to this pipe.
CONSTITUTION: A pipe is projected by coining to the rear surface of a second hand body consisting of a mild metallic blank material such as Al or Al alloy; at the same time, a hole part for mounting movement is worked to this pipe. The surface part is cut with a diamond in order to obtain desired thickness and specular finish; in addition, it is subjected to blanking of an outside shape simultaneously with forming of a surface shape by striking.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55128113A JPS5752544A (en) | 1980-09-16 | 1980-09-16 | Production of hand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55128113A JPS5752544A (en) | 1980-09-16 | 1980-09-16 | Production of hand |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5752544A true JPS5752544A (en) | 1982-03-29 |
Family
ID=14976693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55128113A Pending JPS5752544A (en) | 1980-09-16 | 1980-09-16 | Production of hand |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5752544A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000002100A1 (en) * | 1998-07-03 | 2000-01-13 | Citizen Watch Co., Ltd. | Method of manufacturing hand for analog electronic timepiece |
-
1980
- 1980-09-16 JP JP55128113A patent/JPS5752544A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000002100A1 (en) * | 1998-07-03 | 2000-01-13 | Citizen Watch Co., Ltd. | Method of manufacturing hand for analog electronic timepiece |
US6519853B1 (en) | 1998-07-03 | 2003-02-18 | Citizen Watch Co., Ltd. | Method of manufacturing hand for analog electronic timepiece |
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