EP 1023992 A2 20000802 - Method for forming corrugated paper container and container made therefrom
Title (en)
Method for forming corrugated paper container and container made therefrom
Title (de)
Verfahren zum formen eines Behälters aus Wellpappe und daraus hergestellter Behälter
Title (fr)
Procédé de formage d'un récipient en carton ondulé et récipient ainsi produit
Publication
Application
Priority
- EP 95923944 A 19950619
- US 26216594 A 19940620
- US 40734195 A 19950320
Abstract (en)
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>
IPC 1-7
IPC 8 full level
B31B 50/59 (2017.01); B31F 1/00 (2006.01); B32B 3/28 (2006.01); B65D 65/40 (2006.01); B65D 81/26 (2006.01)
CPC (source: EP)
B65D 65/403 (2013.01); B65D 81/262 (2013.01); B65D 81/264 (2013.01); B31B 50/592 (2018.05)
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9535204 A1 19951228; AT E197932 T1 20001215; AU 2864295 A 19960115; CA 2193386 A1 19951228; DE 69519573 D1 20010111; DE 69519573 T2 20010719; EP 0766622 A1 19970409; EP 0766622 B1 20001206; EP 1023992 A2 20000802; EP 1023992 A3 20010606; ES 2156208 T3 20010616; JP H10502585 A 19980310
DOCDB simple family (application)
US 9507722 W 19950619; AT 95923944 T 19950619; AU 2864295 A 19950619; CA 2193386 A 19950619; DE 69519573 T 19950619; EP 00201024 A 19950619; EP 95923944 A 19950619; ES 95923944 T 19950619; JP 50252095 A 19950619