JPS5554239A - Production of case for portable watch - Google Patents
Production of case for portable watchInfo
- Publication number
- JPS5554239A JPS5554239A JP12585578A JP12585578A JPS5554239A JP S5554239 A JPS5554239 A JP S5554239A JP 12585578 A JP12585578 A JP 12585578A JP 12585578 A JP12585578 A JP 12585578A JP S5554239 A JPS5554239 A JP S5554239A
- Authority
- JP
- Japan
- Prior art keywords
- ingate
- entire circumference
- case band
- casting
- case
- 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
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To make possible the improvement in product yield and the casting of thin-wall non-circular cases by forming an ingate to an integral continuous shape.
CONSTITUTION: An ingate 2 is installed to the entire circumference of the inside surface of a case band or the entire circumference of the bottom of the case band. Molten metal is simultaneously poured and cast from the ingate 2 provided to the entire circumference of the case band 1. As a result, feeding effect becomes higher than before and the difference in the rates of cooling becomes less, thus suppressing shrinkage distortion becomes feasible. In addition, continuous machining may be employed for removing the ingate after casting, there is the effect of higher tool life and shorter working time.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12585578A JPS5554239A (en) | 1978-10-12 | 1978-10-12 | Production of case for portable watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12585578A JPS5554239A (en) | 1978-10-12 | 1978-10-12 | Production of case for portable watch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5554239A true JPS5554239A (en) | 1980-04-21 |
Family
ID=14920601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12585578A Pending JPS5554239A (en) | 1978-10-12 | 1978-10-12 | Production of case for portable watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5554239A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104117633A (en) * | 2014-08-01 | 2014-10-29 | 浙江振义汽车部件有限公司 | Pouring cap mouth structure for thermolator shell mould |
-
1978
- 1978-10-12 JP JP12585578A patent/JPS5554239A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104117633A (en) * | 2014-08-01 | 2014-10-29 | 浙江振义汽车部件有限公司 | Pouring cap mouth structure for thermolator shell mould |
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