JPS57110413A - Method and apparatus for subjecting polyolefine sheet to hot plate heating type air pressure heat molding - Google Patents
Method and apparatus for subjecting polyolefine sheet to hot plate heating type air pressure heat moldingInfo
- Publication number
- JPS57110413A JPS57110413A JP18566280A JP18566280A JPS57110413A JP S57110413 A JPS57110413 A JP S57110413A JP 18566280 A JP18566280 A JP 18566280A JP 18566280 A JP18566280 A JP 18566280A JP S57110413 A JPS57110413 A JP S57110413A
- Authority
- JP
- Japan
- Prior art keywords
- hot plate
- air pressure
- pressure heat
- heat molding
- heating type
- 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 obtain a container with good transparency by using a hot plate prepared by grinding a surface of the hot plate of a hot plate heating type air pressure heat molding machine with paper puff processing so as to obtain surface roughness of 0.1W2.5μ.
CONSTITUTION: When a polyolefine sheet is subjected to air pressure heat molding by using the above described objective hot plate, because a surface of the hot plate is finished by paper puff processing, a crest point of a ridge part of ridge and valley parts of the ground surface can be made round can be formed into such a shape that a stripe pattern is directed to one direction as well as air sumps between the hot plate surface and the sheet can be reduced and a molded product with good transparency can be obtained.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18566280A JPS57110413A (en) | 1980-12-29 | 1980-12-29 | Method and apparatus for subjecting polyolefine sheet to hot plate heating type air pressure heat molding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18566280A JPS57110413A (en) | 1980-12-29 | 1980-12-29 | Method and apparatus for subjecting polyolefine sheet to hot plate heating type air pressure heat molding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57110413A true JPS57110413A (en) | 1982-07-09 |
JPH0224205B2 JPH0224205B2 (en) | 1990-05-28 |
Family
ID=16174669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18566280A Granted JPS57110413A (en) | 1980-12-29 | 1980-12-29 | Method and apparatus for subjecting polyolefine sheet to hot plate heating type air pressure heat molding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57110413A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5722012A (en) * | 1980-07-15 | 1982-02-04 | Nippon Petrochem Co Ltd | Production of thermally formed article |
-
1980
- 1980-12-29 JP JP18566280A patent/JPS57110413A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5722012A (en) * | 1980-07-15 | 1982-02-04 | Nippon Petrochem Co Ltd | Production of thermally formed article |
Also Published As
Publication number | Publication date |
---|---|
JPH0224205B2 (en) | 1990-05-28 |
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