JPS5563240A - Plastic forming metal mold unit - Google Patents
Plastic forming metal mold unitInfo
- Publication number
- JPS5563240A JPS5563240A JP13620178A JP13620178A JPS5563240A JP S5563240 A JPS5563240 A JP S5563240A JP 13620178 A JP13620178 A JP 13620178A JP 13620178 A JP13620178 A JP 13620178A JP S5563240 A JPS5563240 A JP S5563240A
- Authority
- JP
- Japan
- Prior art keywords
- metal mold
- gate
- resin
- columnar member
- rapidly
- 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.)
- Granted
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
PURPOSE: To provide the subject unit wherein a member having a thermal conductivity more than that of the metal mold is inserted into a metal mold, and solidification of the resin within the gate after filling of the resin is rapidly progressed thereby to extremely reduce the gate remaining and to enable to make the thickness of the movement of a timepiece thinner.
CONSTITUTION: In order to rapidly solidify the resin within the gate 60 after the filling thereof, a columnar member 70 made of a beryllium-copper alloy or copper having a thermal conductivity more than that of the metal mold material is inserted in a metal mold 20 under a positional relationship corresponding to the gate. The cavity 40 is formed by a metal mold 10 in which a runner 50 is formed and a metal mold 20 in which the columnar member is inserted. In order to help the cooling of the columnar member, the end part thereof is exposed to the open air through an opening 31 formed at a movable side receiving plate 30. The gate part normally assumes temperature greater than that of other metal mold parts. However, when the cooling of the gate part is carried out rapidly, the gate cutting becomes excellent, and the gate remaining can be reduced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53136201A JPS5824262B2 (en) | 1978-11-02 | 1978-11-02 | plastic mold equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53136201A JPS5824262B2 (en) | 1978-11-02 | 1978-11-02 | plastic mold equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5563240A true JPS5563240A (en) | 1980-05-13 |
JPS5824262B2 JPS5824262B2 (en) | 1983-05-20 |
Family
ID=15169692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53136201A Expired JPS5824262B2 (en) | 1978-11-02 | 1978-11-02 | plastic mold equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5824262B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60170163U (en) * | 1984-04-23 | 1985-11-11 | イチビキ株式会社 | display case |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5030369U (en) * | 1973-07-13 | 1975-04-04 |
-
1978
- 1978-11-02 JP JP53136201A patent/JPS5824262B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5030369U (en) * | 1973-07-13 | 1975-04-04 |
Also Published As
Publication number | Publication date |
---|---|
JPS5824262B2 (en) | 1983-05-20 |
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