发明名称 Method for forming corrugated paper container and container made therefrom
摘要 A method for forming a corrugated paperboard container and a container made therefrom having a first layer of flat paperboard (12) to which is attached a second layer of contoured paperboard (14), said contoured layer having a plurality of flutes, each said flute including a first flute tip and a second flute tip, the flute rise being substantially vertical at the midpoint between said flute tips and a perforated layer of paperboard (30) having a plurality of openings (31) therein coupled with said fluted layer along said plurality of said flute tips, said forming method comprising, placing the corrugated paperboard into a stamping die, the stamping die having a male die and a female cavity shaped in the shape in which the paperboard is to be formed; pressing the paperboard between the die and the cavity to apply a pressure to the paperboard; applying heat to the paperboard simultaneously with said application of pressure; and removing said die from the cavity. <IMAGE>
申请公布号 EP1023992(A3) 申请公布日期 2001.06.06
申请号 EP20000201024 申请日期 1995.06.19
申请人 THE NEWARK GROUP, INC. 发明人 NEARY, ROBIN P.
分类号 B31B43/00;B31F1/00;B32B3/28;B65D65/40;B65D81/26 主分类号 B31B43/00
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