Insulated chest
First Claim
Patent Images
1. A container foldably assembled from a flat blank, said container comprising:
- (a) a bottom with sides and ends;
(b) first and second end walls extending generally upward from, and hingedly connected to, opposite ends of said bottom;
(c) first and second side walls extending generally upward from, and hingedly connected to, opposite sides of said bottom;
(d) a corner portion forming a continuous web between, and hingedly connected to, each adjacent side wall aid end wall, wherein a diagonal score line extends generally centrally along each said corner portion, dividing said corner portion into two generally equal triangular panels, with one panel adjacent the side wall;
(e) a tab extending from, and hingedly connected to, the top edge of each said corner portion wherein said tab is foldably connected to the triangular panel adjacent the side wall, said tab having foldable end tabs and middle tab; and
(f) generally rectangular slots provided in proximity to the top edge of each said first and second end wall, each slot having a width that is slightly grater than the thickness of said blank, and having a length slightly greater than the length of said middle tab;
(g) fastening means for releasably fastening said container into a generally rigid, box-like configuration, wherein said fastening means comprises an arrangement of said tabs and slots wherein the tab can be inserted through, and releasably retained within, the slot(h) first and second end flaps foldably connected to the top edge of each said first and second end wall, respectively;
(i) first and second top sections foldably connected to the top edge of each said first and second end wall, respectively;
(j) securing flaps foldably connected to the opposite ends of each said first and second top section;
(k) flap tabs foldably connected to the top edge of each said securing flap;
(l) a slot located in each said end flap generally perpendicular to the line of folding between each said end flap and said end wall, wherein said slot is generally rectangular, having a width that is slightly greater than twice the thickness of said blank, and having a length slightly greater than the length of said flap tabs; and
(m) first and second handle portions foldably connected to the top edge of each said first and second top section, respectively.
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Accused Products
Abstract
A foldable laminated paperboard chest for transporting and storing food products, and a one-piece laminated paperboard blank from which such a chest is constructed. The chest includes a leak-proof corner construction and a plastic film coating layer to prevent leakage of fluid contents, an integral handle, and a locking closure top.
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Citations
17 Claims
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1. A container foldably assembled from a flat blank, said container comprising:
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(a) a bottom with sides and ends; (b) first and second end walls extending generally upward from, and hingedly connected to, opposite ends of said bottom; (c) first and second side walls extending generally upward from, and hingedly connected to, opposite sides of said bottom; (d) a corner portion forming a continuous web between, and hingedly connected to, each adjacent side wall aid end wall, wherein a diagonal score line extends generally centrally along each said corner portion, dividing said corner portion into two generally equal triangular panels, with one panel adjacent the side wall; (e) a tab extending from, and hingedly connected to, the top edge of each said corner portion wherein said tab is foldably connected to the triangular panel adjacent the side wall, said tab having foldable end tabs and middle tab; and (f) generally rectangular slots provided in proximity to the top edge of each said first and second end wall, each slot having a width that is slightly grater than the thickness of said blank, and having a length slightly greater than the length of said middle tab; (g) fastening means for releasably fastening said container into a generally rigid, box-like configuration, wherein said fastening means comprises an arrangement of said tabs and slots wherein the tab can be inserted through, and releasably retained within, the slot (h) first and second end flaps foldably connected to the top edge of each said first and second end wall, respectively; (i) first and second top sections foldably connected to the top edge of each said first and second end wall, respectively; (j) securing flaps foldably connected to the opposite ends of each said first and second top section; (k) flap tabs foldably connected to the top edge of each said securing flap; (l) a slot located in each said end flap generally perpendicular to the line of folding between each said end flap and said end wall, wherein said slot is generally rectangular, having a width that is slightly greater than twice the thickness of said blank, and having a length slightly greater than the length of said flap tabs; and (m) first and second handle portions foldably connected to the top edge of each said first and second top section, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A unitary blank for foldably constructing a container, said blank comprising:
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(a) a bottom with sides and ends; (b) first and second end walls foldably connected to opposite ends of said bottom; (c) first and second side walls foldably connected to opposite sides of said bottom; (d) a corner portion forming a continuous web between, and foldably connected to, each adjacent side wall and end wall, wherein a diagonal score line extends generally centrally along each said corner portion, dividing said corner portion into two generally equal triangular panels, with one each adjacent the side wall; (e) slots provided in proximity to the top edge of each said first and second end wall wherein said slots are generally rectangular, having a width that is slightly greater than twice the thickness of the said blank, and having a length slightly greater than the length of said middle tab; and (f) a tab foldably connected to the top edge of each said corner portion, wherein said tab foldably connected to the triangular panel adjacent the side wall with said tab having foldable end tabs and a middle tab; (g) first and second end flaps foldably connected to the top of each said first and second end wall, respectively; (h) first and second top sections foldably connected to the top edge of each said first and second side wall, respectively; (i) securing flaps foldably connected to the opposite ends of each said first and second top section; (j) flap, tabs foldably connected to the top edge of each said securing flap; (k) a slot provided in each said end flap generally perpendicular to the line of folding between each said end flap and said end wall, wherein said slot is generally rectangular, having a width that is slightly greater than twice the thickness of said blank, and having a length slightly greater than the length of said flap tabs; and (l) first and second handle portions foldably connected to the top edge of each said first and second top section, respectively. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of fabricating a cooler from a unitary blank, wherein said blank comprises a bottom with sides and ends;
- first and second end walls foldably connected to the opposite ends of said bottom;
first and second side walls foldably connected to the opposite sides of said bottom;
a corner portion forming a continuous web between each adjacent side wall and end wall, wherein a diagonal score line extends generally centrally along each said corner portion, dividing said corner portion into two generally equal triangular panels, with one panel adjacent the side wall;
a tab extending from the top edge of each said corner portion, wherein each said tab is foldably connected to the triangular panel adjacent the side wall, and wherein said tab comprises foldable end tabs and a middle tab;
slots provided in proximity to the top edge of each said first and second end wall, wherein said slots are generally rectangular, having a width that is slightly greater than twice the thickness of said blank, and having a length slightly greater than the length of said middle tab;
first and second end flaps foldably connected to the top edge of each said first and second end wall, respectively;
first and second top sections foldably connected to the top edge of each said first and second side wall, respectively;
securing flaps foldably connected to the opposite ends of said first and second top sections;
flap tabs foldably connected to the top edge of each said securing flap;
a slot provided in each said end flap generally perpendicular to the line of folding between each said end flap and said end wall, wherein said slot is generally rectangular, having a width that is slightly greater than twice the thickness of said blank, and having a length slightly greater than the length of said flap tabs; and
first and second handle portions foldably connected to the top edge of each said first and second top section, respectively, said method comprising;(a) folding said side and end walls upwards relative to said bottom into a position generally perpendicular to said bottom, whereby said corner portions form a flap; (b) folding said flaps formed by said corner portions against said first and second end walls; (c) engaging said corner portion tabs within said slots provided in proximity to the top edge of each said first and second end wall; (d) closing said first and second top sections until the inner surfaces of both said handle portions and flap tabs in proximity to said end flap, are adjacent one another; and (e) engaging said flap tab within said slot provided in each said end flap.
- first and second end walls foldably connected to the opposite ends of said bottom;
Specification