JPS5731413A - Forming method for feathered material by bending hard aluminum foil - Google Patents
Forming method for feathered material by bending hard aluminum foilInfo
- Publication number
- JPS5731413A JPS5731413A JP10545480A JP10545480A JPS5731413A JP S5731413 A JPS5731413 A JP S5731413A JP 10545480 A JP10545480 A JP 10545480A JP 10545480 A JP10545480 A JP 10545480A JP S5731413 A JPS5731413 A JP S5731413A
- Authority
- JP
- Japan
- Prior art keywords
- die set
- shape
- forming
- finished product
- feathered
- 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
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
PURPOSE: To form at a time many shaped products free from distortions and crooks through a simple process, by piling up many comparatively long and moderately curved intermediate products of an aluminum base metallic foil previously formed by a press machine, in a shape reforming die set, and by heating and holding them in a prescribed temperature range for a prescribed period of time in order to reform their shape.
CONSTITUTION: A 0.02W0.2mm thick, about 1W2m long, for example, hard Al or Al-alloy foil 1 for use of a comparatively long shuttering blind of a skylight, etc., is press formed one by one by a die set 2a, 2b. Hereupon, when the pressing pressure is released, the press formed foils cause a spring back which somewhat reduces the forming rate. Thus preformed plural members 1' are piled up one by one in a shape-reforming die set 3a, 3b having an identical shape with the die set 2; then, the members 1' are heated to 150W230°C and are held at that temperature for 3secW5min for finishing the forming process. By these forming conditions, a finished product suitable for a practical use is obtained, if the forming rate of the finished product is assumed about ≥80%.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10545480A JPS5731413A (en) | 1980-07-30 | 1980-07-30 | Forming method for feathered material by bending hard aluminum foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10545480A JPS5731413A (en) | 1980-07-30 | 1980-07-30 | Forming method for feathered material by bending hard aluminum foil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5731413A true JPS5731413A (en) | 1982-02-19 |
Family
ID=14408024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10545480A Pending JPS5731413A (en) | 1980-07-30 | 1980-07-30 | Forming method for feathered material by bending hard aluminum foil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5731413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01157723A (en) * | 1987-12-16 | 1989-06-21 | Hitachi Ltd | Composite forming method for thin sheet |
| JPH0690715A (en) * | 1992-09-14 | 1994-04-05 | Yoshifumi Wakao | Production of salmon roe pickled in soy |
-
1980
- 1980-07-30 JP JP10545480A patent/JPS5731413A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01157723A (en) * | 1987-12-16 | 1989-06-21 | Hitachi Ltd | Composite forming method for thin sheet |
| JPH0690715A (en) * | 1992-09-14 | 1994-04-05 | Yoshifumi Wakao | Production of salmon roe pickled in soy |
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