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Press forming of paperboard – advancement of converting tools and process control
(Lappeenranta University of Technology, 2015-12-14)
Press forming is nowadays one of the most common industrial methods in use for producing deeper trays from paperboard. Demands for material properties like recyclability and sustainability have increased also in the ...
Leak-proof Heat Sealing of Press-Formed Paperboard Trays
(Lappeenranta University of Technology, 2016-05-27)
Three-dimensional (3D) forming of paperboard and heat sealing of lidding films to trays manufactured by the press forming process are investigated in this thesis. The aim of the work was to investigate and recognize the ...