Methods and systems for packaging a product
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.
1. A method of forming a shaped carton, comprising:
providing a blank for forming a carton, the carton including a plurality of adjoined panels that define an interior space, at least one of the adjoined panels being a movable panel;
joining a heat-shrink patch in an unshrunk configuration to at least a portion of the movable panel;
forming the carton from the blank such that the heat-shrink patch faces the interior space; and
heating the heat-shrink patch after forming the carton, thereby
shrinking the heat-shrink patch, and
moving the movable panel towards the interior space.
2. The method of claim 1 , wherein moving the movable panel towards the interior space reduces a cross-sectional area of at least a portion of the carton.
3. The method of claim 1 , wherein joining the heat-shrink patch to at least a portion of the movable panel comprises
applying an adhesive in a registered pattern to at least a portion of the movable panel,
cutting the heat-shrink patch to correspond to the registered pattern, and
bringing the heat-shrink patch into contact with the adhesive in the registered pattern.
4. The method of claim 3 , wherein applying an adhesive in a registered pattern comprises applying the adhesive to substantially surround a void at least partially defined by the movable panel.
5. The method of claim 3 , wherein bringing the heat-shrink patch into contact with the adhesive in the registered pattern joins the heat-shrink patch to at least a portion of the movable panel.
6. The method of claim 1 , further comprising filling the carton with contents before heating the heat-shrink patch.
7. The method of claim 1 , further comprising filling the carton with contents after heating the heat-shrink patch.
8. The method of claim 1 , wherein heating the heat-shrink patch comprises directing heat towards the heat-shrink patch.
9. The method of claim 1 , wherein heating the heat-shrink patch comprises applying heat to portions of the heat-shrink patch at different intensities to differentially shrink the heat-shrink patch.
10. The method of claim 1 , wherein heating the heat-shrink patch comprises varying an intensity of heat applied to the heat-shrink patch.
11. The method of claim 1 , wherein heating the heat-shrink patch comprises applying a plurality of different heating temperatures to at least a portion of the heat-shrink patch for controlling a degree of shrinkage of the heat-shrink patch.
12. The method of claim 1 , further comprising controlling a degree of shrinkage of the heat-shrink patch by using a specific type of heat-shrink patch, controlling a temperature of the heating of the heat-shrink patch, focusing the heating on the heat-shrink patch, or any combination thereof.
13. The method of claim 1 , wherein the heat-shrink patch comprises polyethylene, polypropylene, polyvinyl chloride, polyester, polyester glycol, nylon, oriented polystyrene, or any combination thereof.
14. The method of claim 1 , wherein the heat-shrink patch is a first heat-shrink patch of a plurality of heat-shrink patches, and at least one of the heat-shrink patches has a different shrink orientation, a different shrink percentage, or a combination thereof than at least one other of the heat-shrink patches.
15. The method of claim 1 , wherein
the movable panel is a first movable panel,
the plurality of adjoined panels includes a second movable panel,
the carton includes a void defined between the first movable panel and the second movable panel,
moving the first movable panel towards the interior space at least partially closes the void between the first movable panel and the second movable panel.
16. The method of claim 1 , wherein
the movable panel is a first movable panel,
the heat-shrink patch is a first heat-shrink patch,
the plurality of adjoined panels includes a second movable panel, and
the method further comprises
joining a second heat-shrink patch in an unshrunk configuration to at least a portion of the second movable panel, and
heating the second heat-shrink patch after forming the carton, thereby
shrinking the second heat-shrink patch, and
moving the second movable panel towards the interior space.
17. The method of claim 16 , wherein moving the second movable panel at least partially closes a void defined along a fold line joining the first movable panel to the second movable panel.
18. A method of forming a shaped carton, comprising:
providing a blank for forming a carton, the blank including a first movable panel and a second movable panel joined to one another along a fold line, the first movable panel and the second movable panel defining a void disposed substantially along the fold line;
applying an adhesive to the blank to substantially surround the void;
joining a heat-shrink patch in a unshrunk configuration to the first movable panel and the second movable panel to substantially cover the void;
forming the carton from the blank such that the heat-shrink patch is at least partially disposed on an interior surface of the carton; and
applying heat to the heat-shrink patch, thereby
shrinking the heat-shrink patch,
moving the first movable panel towards the second movable panel to at least partially close the void, and
forming the shaped carton.
19. The method of claim 18 , wherein applying heat to the heat-shrink patch comprises
applying heat having a first temperature to a first portion of the heat-shrink patch, and
applying heat having a second temperature different from the first temperature to a second portion of the heat-shrink patch.
20. The method of claim 18 , wherein applying heat to the heat-shrink patch comprises applying heat having a plurality of temperatures across a dimension of the heat-shrink patch.
21. A system for forming a shaped carton, comprising:
a coupling device configured to couple a heat-shrink patch in an unshrunken configuration to a blank, the blank being adapted to form a carton including a plurality of adjoined panels that define an interior space, at least one of the adjoined panels being a movable panel;
a forming device configured to form the carton from the blank such that the heat-shrink patch at least partially overlies an interior surface of the formed carton; and
a heating device configured to heat at least a portion of the heat-shrink patch on the carton, thereby
shrinking the heat-shrink patch, and
moving the movable panel towards the interior space.
22. The system of claim 21 , wherein the coupling device is configured to apply an adhesive in a registered pattern to at least a portion of the movable panel and adhere the heat-shrink patch to the blank within the registered pattern.
23. The system of claim 21 , wherein moving the movable panel towards the interior space at least partially closes a void at least partially defined by the movable panel.
24. A method of forming a shaped carton, comprising:
providing an unshaped carton, the carton including
a plurality of adjoined panels that define an interior space, at least one of the adjoined panels being a movable panel, and
a heat-shrink patch in an unshrunk configuration joined to a side of the movable panel facing the interior space; and
heating the heat-shrink patch, thereby
shrinking the heat-shrink patch, and
moving the movable panel from a first position to a second position to form the shaped carton.
25. The method of claim 24 , wherein moving the movable panel towards the interior space reduces a cross-sectional area of at least a portion of the carton.
26. The method of claim 24 , wherein the heat-shrink patch comprises a tube.
27. The method of claim 24 , wherein
the heat-shrink patch is a first heat-shrink patch of a plurality of heat-shrink patches, and
at least one of the heat-shrink patches has a different shrink orientation, a different shrink percentage, or a combination thereof than at least one other of the heat-shrink patches.
28. The method of claim 24 , wherein
the movable panel is a first movable panel,
the plurality of adjoined panels includes a second movable panel,
the carton includes a void defined between the first movable panel and the second movable panel,
moving the first movable panel towards the interior space reconfigures the void between the first movable panel and the second movable panel.
29. The method of claim 24 , wherein
the movable panel is a first movable panel,
the heat-shrink patch is a first heat-shrink patch,
the plurality of adjoined panels includes a second movable panel,
the carton includes a second heat-shrink patch in an unshrunk configuration joined to a side of the second movable panel facing the interior space, and
the method further comprises heating the second heat-shrink patch, thereby
shrinking the second heat-shrink patch, and
moving the second movable panel from a first position to a second position to form the shaped carton.
30. The method of claim 29 , wherein moving the second movable panel reconfigures a void defined along a fold line joining the first movable panel to the second movable panel.