Abstract: A method for applying a heat-shrink patch to a carton for forming a shape of the carton. The carton includes a top panel, a bottom panel, at least one side panel extending between the top panel and the bottom panel and a movable section that is movable between a first position and a second position. The method includes providing a heat-shrink patch in a pre-shrunk configuration. The heat-shrink patch is coupled in the pre-shrunk configuration to at least a portion of an interior surface of a blank of sheet material including at least a portion of the movable section. The carton is formed from the blank of sheet material. The movable section is moved from the first position to the second position to form the shape of the carton by heating the heat-shrink patch to shrink the heat-shrink patch to a shrunk configuration.

Abstract: A method for applying a heat shrinkable film to a carton for forming a shape of the carton is provided. The carton includes a top panel, a bottom panel, at least one side panel extending between the top panel and the bottom panel, and a movable section that is movable between a first position and a second position. The method includes providing a heat-shrinkable but unshrunken film, wrapping the film in an unheated condition around at least a portion of the carton including at least a portion of the movable section of the carton, and moving the movable section from the first position to the second position to form a shape of the carton by heating the heat-shrinkable film to shrink the heat-shrinkable film into contact with at least a portion of the movable section.

Abstract: An assembly for packaging a product includes a blank of sheet material having an interior surface and an opposing exterior surface. The blank forms a carton having a top, a bottom and a plurality of side panels. Each side panel extends between the top and the bottom. A first side panel is movable between a first position and a second position. The first movable side panel is initially biased in the first position. A heat-shrink patch is applied to the interior surface and connected to at least a portion of the first movable side panel. The heat-shrink patch is shrinkable to urge the first movable side panel to the second position.

Abstract: An assembly for packaging a product includes a carton having a top, a bottom, and a side extending between the top and the bottom. At least one of the top, the bottom, and the side includes a movable section that is movable between a first position and a second position. The movable section is biased to the first position. The assembly also includes a heat-shrunk layer overlapping at least a portion of the carton for sealing the carton. The heat-shrunk layer holds the movable section in the second position against the bias.