IT1146073B - Container comprising body and bottom disc - Google Patents

Container comprising body and bottom disc

Info

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
Application number
IT50477/80A
Other languages
Italian (it)
Other versions
IT8050477A0 (en
Inventor
Tsuzuki Kiyoshi
Tanaka Sigeto
Take Yoshiaki
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP16960179A external-priority patent/JPS5692046A/en
Priority claimed from JP16960279A external-priority patent/JPS5692047A/en
Priority claimed from JP16960079A external-priority patent/JPS5692048A/en
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Publication of IT8050477A0 publication Critical patent/IT8050477A0/en
Application granted granted Critical
Publication of IT1146073B publication Critical patent/IT1146073B/en

Links

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.
IT50477/80A 1979-12-26 1980-12-29 Container comprising body and bottom disc IT1146073B (en)

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)

Also Published As

Publication number Publication date
IT8050477A0 (en) 1980-12-29

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