JPS5522430A - Production of part blank for spectacle - Google Patents
Production of part blank for spectacleInfo
- Publication number
- JPS5522430A JPS5522430A JP9437478A JP9437478A JPS5522430A JP S5522430 A JPS5522430 A JP S5522430A JP 9437478 A JP9437478 A JP 9437478A JP 9437478 A JP9437478 A JP 9437478A JP S5522430 A JPS5522430 A JP S5522430A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- plating
- noble metal
- alloy
- tape
- 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
- Eyeglasses (AREA)
Abstract
PURPOSE: To produce part blanks for spectacle frames, etc., which will not occur rust formation through breakage of alloy plating by rolling a noble-metal-alloy- plated round wire to tape form and bending to a groove shape in section.
CONSTITUTION: A round wire 5 comprising applying noble metal plating 4 such as of gold alloy or other on German silver 3 or other is rolled by rolls, etc., whereby a tape wire 12 is formed. Both side parts of this tape wire 12 are bent to a groove shape in section by a press or the like, whereby a channel form wire 13 is formed. This enables the plating thickness of the noble metal on the inner side surface of the groove and the plating thickness of the noble metal on the outer surface of the wire to be made equal and enables eyebrows having decorative effect or part blanks for spectacle frames such as rims, etc. to be obtained. This method reduces processes by half and improves productivity.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9437478A JPS5522430A (en) | 1978-08-02 | 1978-08-02 | Production of part blank for spectacle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9437478A JPS5522430A (en) | 1978-08-02 | 1978-08-02 | Production of part blank for spectacle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5522430A true JPS5522430A (en) | 1980-02-18 |
Family
ID=14108534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9437478A Pending JPS5522430A (en) | 1978-08-02 | 1978-08-02 | Production of part blank for spectacle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5522430A (en) |
-
1978
- 1978-08-02 JP JP9437478A patent/JPS5522430A/en active Pending
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