B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 1/34 (2006.01) A47G 19/03 (2006.01) B65D 1/44 (2006.01)
Patent
CA 2637041
The invention relates to pressed paperboardTcontainers (10), such as disposable paper plates and bowls, having increased strength and rigidity, and the processes used to form such containers by the formation of non- radial pleats (30) at outer regions of the container. The invention also provides pleats (30) about the outer periphery that are non-linear along the length of the pleat (30). Such non-radial and non-linear pleats are formed by forming non-radial and non-linear scores (34) in a blank(36) of paperboard converted into the container geometry.
La présente invention concerne des récipients en carton comprimé (10), tels que des assiettes et des bols en carton jetables, possédant une rigidité et une résistance accrues, ainsi que les procédés servant à les fabriquer par formation de plis non radiaux (30) au niveau des zones externes du récipient. L'invention concerne également des plis (30) sur la périphérie externe qui ne sont pas linéaires sur la longueur du pli (30). De tels plis non radiaux et non linéaires sont obtenus par formation de marques non radiales et non linéaires (34) dans une découpe (36) de carton convertie selon la géométrie du récipient.
Abayhan Ayberk
Schaefer Robert J.
Smith Stephen A.
Ridout & Maybee Llp
Solo Cup Operating Corporation
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