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US 4,304,335 AGranted
Paperboard container for baking
AssigneeJohns Manville
InventorRobert P. Bemiss
Life of this patent
Estimating the term…
Abstract
A paperboard carton formed of a tray with a top fitting thereover. The top has tabs formed in opposing side panels preferably by locating spaced tear lines, which tabs can be glued to the tray to hold the top in place. The top is removed from the tray by pulling the tabs outward and upward.
Claims4
A paperboard carbon comprising:
- a tray having a bottom panel and upstanding pairs of side walls and end walls having extending edges;
- a top for covering said tray comprising a top center panel and pairs of side panels and end panels with the top center panel being sized to fit over the wall edges and said top side and end panels each being positioned to be folded against an adjacent tray wall;
- each of said top side panels including hinged flap means to enable a portion of said panels to be torn towards the top panel between and along spaced lines forming said flap;
- and
- glue means fixing a portion of said flaps to the adjacent tray wall whereby said top can be fastened to said tray at the flaps by gluing said flaps to the adjacent tray wall and said top can be removed therefrom without damage to the tray by lifting the flaps upwardly between said spaced lines to separate the glued flaps and tray walls without damage to the tray.
2 more elements
Dependencies are inferred from the claim text.