Patent ID: 11938705
Assignee: SEMI CORR CONTAINERS, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A paperboard product of comprising;
a top liner;
a fluted medium of a first flute type having opposed tips directed in a downward direction and upward direction, respectively, bonded to the top liner to define a singleface web with exposed flute tips directed in the downward direction;
a bottom liner;
a creased base layer of a second flute type having opposed tips directed in a downward direction and upward direction, respectively, with multiple cross flute bond lines creased in-line at intervals across a second web and directed in the downward direction; and
a creased base layer of a third flute type having opposed tips directed in the downward direction and upward direction, respectively, with multiple cross flute bond lines creased in-line at intervals across a third web and directed in the downward direction;
wherein the singleface web is bonded directly to the creased base layer of the second flute type, and the creased base layer of the second flute type is bonded directly to the creased base layer of the third flute type, and the creased base layer of the third flute type is bonded directly to the bottom liner to define a five ply triplewall panel.