Display-tray constituting a package
AssigneeFromageries Bresse-Bleu - Societe Laitiere Cooperative Agricole
InventorArthur L. Chanel
Life of this patent
Estimating the term…
Abstract
The bottom (1) and the cover (2) are made from a rigid composite material constituted by a sheet of PVC coated with a layer of polyethylene on which is applied a film of polyethylene of peelable quality. The bottom (1) has cavities (4). Peripheral flanges (3, 3') includes ears (6, 6') and are welded along a strip (7) having weakened regions (8). The cover is peelable.
Claims16
A package comprising a rigid bottom of PVC, a "peelable" wall constituting a cover for closing an upper part of said bottom, said cover also being of rigid polyvinyl chloride, at least one of two elements consisting of said bottom and said cover having on a surface thereof inside said package a thin layer of polyethylene of "peelable" quality, the rigidity of said bottom being greater than the rigidity of said cover, and a strip of welding located adjacent to the periphery of said bottom for fixing said cover to said bottom and having at least one weakened region.
A rigid display-tray structure comprising a rigid bottom and a rigid cover both of PVC, at least one of two elements consisting of said bottom and said cover having on an internal surface thereof a thin layer of polyethylene of "peelable" quality, said bottom having cavities and a rigidity greater than the rigidity of said cover, and a strip of welding located adjacent to the periphery of said bottom for fixing said cover to said bottom and having at least one weakened region.
A display-tray structure constituting a package comprising a rigid bottom of PVC, a "peelable" wall constituting a cover for closing an upper part of said bottom, said cover also being of rigid polyvinyl chloride, at least one of two elements consisting of said bottom and said cover having on a surface thereof inside said package a thin layer of polyethylene of "peelable" quality, the rigidity of said bottom being greater than the rigidity of said cover, and a strip of welding located adjacent to the periphery of said bottom for fixing said cover to said bottom and having at least one weakened region, said bottom and said cover being formed from a sheet of PVC coated, after said sheet has been formed, with a layer of polyethylene on which a film of polyethylene of "peelable" quality is applied.
A display-tray structure constituting a package comprising a rigid bottom and a rigid cover both of PVC, at least one of two elements consisting of said bottom and said cover having on an internal surface thereof a thin layer of polyethylene of "peelable" quality, said bottom having cavities and a rigidity greater than the rigidity of said cover, and a strip of welding located adjacent to the periphery of said bottom for fixing said cover to said bottom and having at least one weakened region, said bottom and said cover being formed from a sheet of PVC coated, after said sheet has been formed, with a layer of polyethylene on which a film of polyethylene of "peelable" quality is applied.
Dependencies are inferred from the claim text.