JPS5581029A - Production of double bottom vessel made of metal foil - Google Patents
Production of double bottom vessel made of metal foilInfo
- Publication number
- JPS5581029A JPS5581029A JP15441678A JP15441678A JPS5581029A JP S5581029 A JPS5581029 A JP S5581029A JP 15441678 A JP15441678 A JP 15441678A JP 15441678 A JP15441678 A JP 15441678A JP S5581029 A JPS5581029 A JP S5581029A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- outside
- die
- outside plate
- air
- 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 the double bottom vessels made of metal foils at less number of steps, low cost and good efficiency by blanking the inside plate and outside plate constituting the vessel bottom so as to hermetically seal air therebetween from two sheets of working materials.
CONSTITUTION: A working material 7 for inside plate and working material 8 for outside plate let off from two metal foil coils 9, 10 and formed with a required gap in their moving path by a round-bar-form guide 11 are supplied between the upper die 5 provided with a female die and lower die 6 provided with a male die of a press machine. The inside plate 2 and outside plate 3 are simultaneously blanked from the working materials 7, 8 and the outside circumferential edge parts of the inside and outside plates 2, 3 are mutually compression bonded by shearing, whereby air is hermetically sealed therebetween. Thence, the inside plate 2 and outside plate 3 of the portions other than the bottom of a vessel 1 are closely contacted by the male die 12 and female die 13 to move the air having existed therebetween to the bottom part. Now, the outside plate 3 is pressed to the bottom of the female die 13 and the inside plate 2 is pressed by the concave part 12a of the male die 12, whereby these are molded and an air layer A is formed between the inside plate 2 and outside plate 3, thus the desired double bottom vessel made of metal foils is produced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15441678A JPS5581029A (en) | 1978-12-12 | 1978-12-12 | Production of double bottom vessel made of metal foil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15441678A JPS5581029A (en) | 1978-12-12 | 1978-12-12 | Production of double bottom vessel made of metal foil |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5581029A true JPS5581029A (en) | 1980-06-18 |
Family
ID=15583673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15441678A Pending JPS5581029A (en) | 1978-12-12 | 1978-12-12 | Production of double bottom vessel made of metal foil |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5581029A (en) |
-
1978
- 1978-12-12 JP JP15441678A patent/JPS5581029A/en active Pending
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