JPS5574827A - Forming method of thermo-plastic resin hollow body - Google Patents
Forming method of thermo-plastic resin hollow bodyInfo
- Publication number
- JPS5574827A JPS5574827A JP14810678A JP14810678A JPS5574827A JP S5574827 A JPS5574827 A JP S5574827A JP 14810678 A JP14810678 A JP 14810678A JP 14810678 A JP14810678 A JP 14810678A JP S5574827 A JPS5574827 A JP S5574827A
- Authority
- JP
- Japan
- Prior art keywords
- sheets
- under
- molds
- thermo
- sheet
- 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)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To enable an integral forming of a large-sized item by molding under a vacuum double-layered sheet with specific molds and by providing a simultaneous highly accurate forming of thermal adhering of the sheet and of a hollow part.
CONSTITUTION: Overlapped two thermo-plastic resin sheets 3 and 3' are held between the molds 4 having the specified concave and covex portions and molded under a vacuum condition. The part to which the sheets 3, 3' are projected to form a hollow part therein is provided with a heater device 5 for softening the sheet in such a degree as a forming under a vacuum condition may be performed, and the part with which the sheets 3, 3' are integrally formed is provided with a heating device 6 for melting the sheets. The molds 4 are overlapped with each other and suctioned therefrom, a part facing toward the device 5 is formed with a hollow part 7, and a part facing toward the device 6 is formed with an integral portion thermally adhered under a pressurized condition.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14810678A JPS598332B2 (en) | 1978-11-30 | 1978-11-30 | Molding method for thermoplastic resin hollow bodies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14810678A JPS598332B2 (en) | 1978-11-30 | 1978-11-30 | Molding method for thermoplastic resin hollow bodies |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5574827A true JPS5574827A (en) | 1980-06-05 |
JPS598332B2 JPS598332B2 (en) | 1984-02-24 |
Family
ID=15445372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14810678A Expired JPS598332B2 (en) | 1978-11-30 | 1978-11-30 | Molding method for thermoplastic resin hollow bodies |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS598332B2 (en) |
-
1978
- 1978-11-30 JP JP14810678A patent/JPS598332B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS598332B2 (en) | 1984-02-24 |
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