JPS5561420A - Mold for plastic resin molding device - Google Patents
Mold for plastic resin molding deviceInfo
- Publication number
- JPS5561420A JPS5561420A JP13494378A JP13494378A JPS5561420A JP S5561420 A JPS5561420 A JP S5561420A JP 13494378 A JP13494378 A JP 13494378A JP 13494378 A JP13494378 A JP 13494378A JP S5561420 A JPS5561420 A JP S5561420A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- core
- manhole
- shall
- molding
- 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 enable a simultaneous molding of an outer shall and a cover of a manhole, by forming the manhole cover at a space between an outer mold and a core whereby a portion corresponding to the manhole of the outer shall at a space between an inner mold and the outer mold is partitioned.
CONSTITUTION: A core 5 molding a upper surface of a manhole is placed on an inner mold 6. Molding is performed such that an inner surface and an upper surface of the manhole are formed at the circumference of a bottom surface of the core 5, an upper surface of a manhole cover 3 being formed at an upper surface of the core 5. Plastic resins(for example, SMC) 10 are laid on an upper surface of the core 5 placed in the manner described above. A P.V.A. film is put on an upper surface of the plastic resins where necessary. Said work is covered by an outer mold 4 in a condition as it is. When the outer mold 4 and the inner mold 6 are matched together, their upper ends shall be closely matched the outer circumference of the core 5 so that a portion shaping the manhole cover 3 and a portion forming the outer shell 2 can be completely separated from each other. The manhole cover 3 and outer shell 2 can be molded independently resulting from said arrangement of the outer mold 4, the core 5, and the inner mold 6.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13494378A JPS5561420A (en) | 1978-10-31 | 1978-10-31 | Mold for plastic resin molding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13494378A JPS5561420A (en) | 1978-10-31 | 1978-10-31 | Mold for plastic resin molding device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5561420A true JPS5561420A (en) | 1980-05-09 |
Family
ID=15140174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13494378A Pending JPS5561420A (en) | 1978-10-31 | 1978-10-31 | Mold for plastic resin molding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5561420A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010052193A (en) * | 2008-08-26 | 2010-03-11 | Panasonic Electric Works Co Ltd | Resin molding mold |
-
1978
- 1978-10-31 JP JP13494378A patent/JPS5561420A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010052193A (en) * | 2008-08-26 | 2010-03-11 | Panasonic Electric Works Co Ltd | Resin molding mold |
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