JPS5763212A - Molding die - Google Patents
Molding dieInfo
- Publication number
- JPS5763212A JPS5763212A JP13847880A JP13847880A JPS5763212A JP S5763212 A JPS5763212 A JP S5763212A JP 13847880 A JP13847880 A JP 13847880A JP 13847880 A JP13847880 A JP 13847880A JP S5763212 A JPS5763212 A JP S5763212A
- Authority
- JP
- Japan
- Prior art keywords
- seal
- cavity
- outside
- seal member
- groove
- 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
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To accomplish a resin sealing free of burr by bulging a seal member outside a groove for retaining an expansible and reducible seal member formed outside a cavity at die joint surface in the molding.
CONSTITUTION: A groove for housing a seal member is formed outside a cavity 5 at a die joint surface A or outside the cavity and an injected resin passage and a hollow seal material 9 is inserted thereinto. After the clamping of the die, a fluid is forced into the seal material 9 and expanded until the seal presses against the surface and the back of an IC frame 3 to seal it airtight.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13847880A JPS5763212A (en) | 1980-10-02 | 1980-10-02 | Molding die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13847880A JPS5763212A (en) | 1980-10-02 | 1980-10-02 | Molding die |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5763212A true JPS5763212A (en) | 1982-04-16 |
Family
ID=15223003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13847880A Pending JPS5763212A (en) | 1980-10-02 | 1980-10-02 | Molding die |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5763212A (en) |
-
1980
- 1980-10-02 JP JP13847880A patent/JPS5763212A/en active Pending
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