B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
B31B 43/00 (2006.01) B65D 65/40 (2006.01) B65D 81/26 (2006.01)
Patent
CA 2193386
A method for forming a corrugated paperboard container and a container made therefrom having a first layer (12) of flat paperboard to which is attached a second layer (14) of contoured paperboard, said contoured layer having a plurality of flutes (16), 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, 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.
Procédé de formage d'un récipient en carton ondulé et récipient ainsi produit, ce dernier comprenant une première couche de carton plat à laquelle est fixée une seconde couche de carton profilé. Ladite couche de carton profilé comprend une pluralité de cannelures dont chacune présente une première et une seconde extrémités, la pente de la cannelure étant sensiblement verticale au point médian entre lesdites extrémités. Ce procédé de formage consiste à placer le carton ondulé dans un outil d'estampage, qui comprend un poinçon et une cavité femelle de la forme que doit adopter le carton; à comprimer le carton entre le poinçon et la cavité afin d'y appliquer une pression; à appliquer de la chaleur au carton simultanément avec l'application de la pression; et à enlever le poinçon de la cavité.
Gowling Lafleur Henderson Llp
Neward Group Industries Inc.
The Newark Group Inc.
LandOfFree
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