IT1146073B - Container comprising body and bottom disc - Google Patents
Container comprising body and bottom discInfo
- Publication number
- IT1146073B IT1146073B IT50477/80A IT5047780A IT1146073B IT 1146073 B IT1146073 B IT 1146073B IT 50477/80 A IT50477/80 A IT 50477/80A IT 5047780 A IT5047780 A IT 5047780A IT 1146073 B IT1146073 B IT 1146073B
- Authority
- IT
- Italy
- Prior art keywords
- welded
- bottom disc
- ultra
- overlap
- sonic
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
Landscapes
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
The container consists of a body and a bottom disc in plastic- laminated cardboard and has an overlap-welded longitudinal seam at the side. Over a distance of at least a few millimetres from the top rim, the weld extends over the full width of the overlap. The bottom disc has a downward peripheral flange welded between the upwardly folded bottom rim of the body wall and the body wall itself. The longitudinal weld is produced by ultra-sonic means using a support and an ultra-sonic jaw which is provided with recesses and projections to produce adhesion in the required areas. The bottom is heat-welded using an external support and a knurled wheel rolling agains the inside of the overlapping flanges.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16960179A JPS5692046A (en) | 1979-12-26 | 1979-12-26 | Ultrasonic casting device for drum section of vessel |
JP16960279A JPS5692047A (en) | 1979-12-26 | 1979-12-26 | Ultrasonic casting device for drum section of vessel |
JP18053579 | 1979-12-26 | ||
JP16960079A JPS5692048A (en) | 1979-12-26 | 1979-12-26 | Molding device for bottom section of vessel |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8050477A0 IT8050477A0 (en) | 1980-12-29 |
IT1146073B true IT1146073B (en) | 1986-11-12 |
Family
ID=27474272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50477/80A IT1146073B (en) | 1979-12-26 | 1980-12-29 | Container comprising body and bottom disc |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1146073B (en) |
-
1980
- 1980-12-29 IT IT50477/80A patent/IT1146073B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8050477A0 (en) | 1980-12-29 |
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