NO921073L - PROCEDURE FOR MANUFACTURING CYLINDRICAL ELEMENTS FOR PAPER CONTAINERS - Google Patents

PROCEDURE FOR MANUFACTURING CYLINDRICAL ELEMENTS FOR PAPER CONTAINERS

Info

Publication number
NO921073L
NO921073L NO92921073A NO921073A NO921073L NO 921073 L NO921073 L NO 921073L NO 92921073 A NO92921073 A NO 92921073A NO 921073 A NO921073 A NO 921073A NO 921073 L NO921073 L NO 921073L
Authority
NO
Norway
Prior art keywords
thermoplastic resin
layer
paper containers
resin layer
cylindrical elements
Prior art date
Application number
NO92921073A
Other languages
Norwegian (no)
Other versions
NO921073D0 (en
Inventor
Toru Fukada
Shigeichi Ishihara
Original Assignee
Mitsui Du Pont Polychemical
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 JP2198277A external-priority patent/JPH0483637A/en
Application filed by Mitsui Du Pont Polychemical filed Critical Mitsui Du Pont Polychemical
Publication of NO921073D0 publication Critical patent/NO921073D0/en
Publication of NO921073L publication Critical patent/NO921073L/en

Links

Landscapes

  • Laminated Bodies (AREA)
  • Making Paper Articles (AREA)

Abstract

Sylindriske elementer for papirbeholdere med et termoplastisk harpikslag som det innerste lag frem- stilles ved å forme sylindrisk et forformet ark bestående av et laminat omfattende i det minst et papirlag og det termopolastiske harpikslag som skal bli det innerste lag av papirbeholderne og hvor harpiksen er valgt fra polyestere og etylen/vinylalkoholkopolymerer, og fremgangsmåten er særpreget ved å brette tilbake en kant langs en side av det forformede ark, å bringe det termoplastiske harpikslag av den foldede kant på den av den andre kant, mykne eller smelte de termoplastiske harpikslag under anvendelse av karbondioksydgasslaserbestråling, og presse de overlappende deler sammen for å forsegle de termoplastiske harpikslag.Cylindrical elements for paper containers having a thermoplastic resin layer as the innermost layer are formed by cylindrically forming a preformed sheet consisting of a laminate comprising at least one paper layer and the thermoplastic resin layer which is to become the innermost layer of the paper containers and wherein the resin is selected from polyesters and ethylene / vinyl alcohol copolymers, and the process is characterized by folding back one edge along one side of the preformed sheet, bringing the thermoplastic resin layer of the folded edge to the of the other edge, softening or melting the thermoplastic resin layer using carbon dioxide gas laser coating , and compress the overlapping parts to seal the thermoplastic resin layers.

NO92921073A 1990-07-26 1992-03-19 PROCEDURE FOR MANUFACTURING CYLINDRICAL ELEMENTS FOR PAPER CONTAINERS NO921073L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2198277A JPH0483637A (en) 1990-07-26 1990-07-26 Manufacture of cylindrical member for paper container
PCT/JP1991/000980 WO1992001559A1 (en) 1990-07-26 1991-07-23 Method of making cylindrical member for paper container

Publications (2)

Publication Number Publication Date
NO921073D0 NO921073D0 (en) 1992-03-19
NO921073L true NO921073L (en) 1992-03-19

Family

ID=26432442

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92921073A NO921073L (en) 1990-07-26 1992-03-19 PROCEDURE FOR MANUFACTURING CYLINDRICAL ELEMENTS FOR PAPER CONTAINERS

Country Status (1)

Country Link
NO (1) NO921073L (en)

Also Published As

Publication number Publication date
NO921073D0 (en) 1992-03-19

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