Carton blank and carton formed therefrom
First Claim
Patent Images
1. A carton blank comprising:
- an outer layer comprising a generally rectangular sheet of a relatively rigid material;
said outer layer having a plurality of cut and fold lines formed therein for dividing said outer layer into a plurality of panels;
said outer layer having at least one top panel integral with at least a first sidewall panel and joined thereto by a fold line;
said at least a first sidewall panel being integral with a second sidewall panel and a third sidewall panel and joined thereto by opposite fold lines;
a first weakened portion formed in said at least a first sidewall panel adjacent to said fold line between said at least one top panel and said at least a first sidewall panel;
a fold line in said at least a first sidewall panel extending between said opposite fold lines and spaced from said first weakened portion;
a second weakened portion formed in said at least a first sidewall panel and located between said first weakened portion and said fold line between said opposite fold lines;
said second weakened portion being mounted for pivotal movement relative to said at least a first sidewall panel;
a pour spout having a central body portion, a first wing portion extending from one side of said central body portion and a second wing portion extending from the other side of said central body portion;
said central body portion of said pour spout being united with said second weakened portion for movement therewith so that said central body portion and said first and second wing portions cooperate to form said pour spout;
an inner layer comprising a generally rectangular sheet of a relatively flexible fluid impervious material; and
at least portions of said inner layer being secured to at least portions of said outer layer and at least other portions of said inner layer being secured to at least portions of said central body portion of said pour spout.
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Accused Products
Abstract
A carton blank and a carton formed therefrom wherein the formed carton is fluid impervious and is provided with a pour spout but retains the fluid imperviousness of the carton until the pour spout is opened and wherein the pour spout has wing portions located between an inner and an outer layer of the carton and free to move relative thereto.
59 Citations
19 Claims
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1. A carton blank comprising:
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an outer layer comprising a generally rectangular sheet of a relatively rigid material;
said outer layer having a plurality of cut and fold lines formed therein for dividing said outer layer into a plurality of panels;
said outer layer having at least one top panel integral with at least a first sidewall panel and joined thereto by a fold line;
said at least a first sidewall panel being integral with a second sidewall panel and a third sidewall panel and joined thereto by opposite fold lines;
a first weakened portion formed in said at least a first sidewall panel adjacent to said fold line between said at least one top panel and said at least a first sidewall panel;
a fold line in said at least a first sidewall panel extending between said opposite fold lines and spaced from said first weakened portion;
a second weakened portion formed in said at least a first sidewall panel and located between said first weakened portion and said fold line between said opposite fold lines;
said second weakened portion being mounted for pivotal movement relative to said at least a first sidewall panel;
a pour spout having a central body portion, a first wing portion extending from one side of said central body portion and a second wing portion extending from the other side of said central body portion;
said central body portion of said pour spout being united with said second weakened portion for movement therewith so that said central body portion and said first and second wing portions cooperate to form said pour spout;
an inner layer comprising a generally rectangular sheet of a relatively flexible fluid impervious material; and
at least portions of said inner layer being secured to at least portions of said outer layer and at least other portions of said inner layer being secured to at least portions of said central body portion of said pour spout. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A pour spout for a carton wherein the carton has a plurality of sidewall panels and top and bottom panels with a first sidewall panel having a pair of spaced apart fold lines joining the first sidewall panel to a second sidewall panel and a third sidewall panel comprising:
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an outer layer formed from a relatively rigid material;
said first sidewall panel having another fold line joining said first sidewall panel to a top panel;
a first weakened portion formed in said first sidewall panel adjacent to said another fold line;
a second weakened portion formed in said first sidewall panel and located so that at least a portion of said second weakened portion coincides with at least a portion of said first weakened portion;
a pour spout having a central body portion, a first wing portion extending from one side of said central body portion and a second wing portion extending from the other side of said central body portion;
said central body portion of said pour spout being secured to said second weakened portion with said first wing portion superposed over but not secured to at least a portion of said second sidewall panel and said second wing portion superposed over but not secured to at least a portion of said third sidewall panel;
a generally rectangular sheet of a relatively flexible fluid impervious material superposed over said outer layer and said pour spout so that said pour spout is located between said outer and inner layers; and
at least portions of said inner layer being secured to at least portions of said outer layer and at least other portions of said inner layer being secured to at least portions of said central body portion of said pour spout. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification