JPS5727720A - Vessel-forming device - Google Patents
Vessel-forming deviceInfo
- Publication number
- JPS5727720A JPS5727720A JP165081A JP165081A JPS5727720A JP S5727720 A JPS5727720 A JP S5727720A JP 165081 A JP165081 A JP 165081A JP 165081 A JP165081 A JP 165081A JP S5727720 A JPS5727720 A JP S5727720A
- Authority
- JP
- Japan
- Prior art keywords
- platens
- rolled
- pressurized air
- closed
- 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.)
- Pending
Links
Abstract
PURPOSE: To produce a rolled resin sheet having a uniform thickness and a small quantity of internal strain with an enhanced formability, in a resin scrapless forming method with pressurized air, by using upper and lower platens whose facing surfaces are smoothed into a mirror state.
CONSTITUTION: A heated synthetic resin sheet cut piece is rolled between upper and lower platens 12, 14 and upper and lower rings 16, 18 into a rolled sheet 10 having a reversed tray-shape. Thereafter, the upper and lower platens 12, 14 are removed, and the upper ring 16 is then closed with a cover 52 while the lower ring 18 is closed with a forming die 54. In this state, the rolled sheet 10 is formed with pressurized air. Steel platens prepared by polishing the surfaces of steel platens, plating the polished surfaces with hard chromium layers having a thickness of 3W 100μ or so, and then smoothing the facing surfaces into a mirror state are used as the platens to be used in the aforesaid method.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP165081A JPS5727720A (en) | 1981-01-09 | 1981-01-09 | Vessel-forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP165081A JPS5727720A (en) | 1981-01-09 | 1981-01-09 | Vessel-forming device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10223680A Division JPS5727719A (en) | 1980-07-25 | 1980-07-25 | Vessel-forming device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5727720A true JPS5727720A (en) | 1982-02-15 |
Family
ID=11507387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP165081A Pending JPS5727720A (en) | 1981-01-09 | 1981-01-09 | Vessel-forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5727720A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01201161A (en) * | 1987-11-27 | 1989-08-14 | Radiometer Corporate Dev Ltd | Assay method and kit for body liquor |
-
1981
- 1981-01-09 JP JP165081A patent/JPS5727720A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01201161A (en) * | 1987-11-27 | 1989-08-14 | Radiometer Corporate Dev Ltd | Assay method and kit for body liquor |
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