Multi-ply carton, blank and method of forming the blank
AssigneePac-Ipr, Inc.
InventorTimothy A. Canning
Life of this patent
Estimating the term…
Abstract
A multiply carton tray base or lid comprising a paperboard substrate (S) to which an outer sheet material (16) is secured. The tray has a main panel (m) across which the sheet material is stretched so that it is normally out of contact with a substantial part of the main panel and is secured to the tray only at locations internally of the carton side panels (s) and end panels (e) and not at all to the main panel (m).
Claims9
A multiply carton tray base or lid formed from a blank including a main panel and, foldable joined thereto, side- and end wall panels, and comprising an outer decorative sheet material selectively adhered to said blank, said sheet material being dimensioned and arranged so that it is stretched across said main panel and disposed out of contact with a substantial portion of said main panel when said side wall panels are folded at an angle to said main panel.
A method of forming a multiply carton blank arranged to be set up into a carton tray base or lid having a main panel and adjoining side- and end wall panels, the method comprising the steps of feeding a web of decorative material which is to form the outer ply of the blank from an infeed to an outfeed station, applying adhesive to the exposed upper surface of said web, applying a paperboard layer to said exposed upper surface of said web, cutting and creasing the multiply sheet so as to form a plurality of multiply blanks, characterized in that said cutting and creasing takes place through said outer ply.
An applicator for applying adhesive to a web of material which is to form an outer ply of a multiply carton blank comprising an applicator cylinder which includes adhesive applying areas formed from raised zones which produce a generally rectangular peripheral adhesive pattern on said web, and wherein discrete raised areas are provided at or adjacent each corner of said rectangular peripheral adhesive pattern for applying adhesive in the corner areas.
Dependencies are inferred from the claim text.