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US 12,097,988 B2Granted
Packaging material evaluation and apparatus therefor for evaluating simulated flaws
AssigneeLantech.com, LLC
InventorsPatrick R. Lancaster, III, Michael P. Mitchell, Christian Michael Gruner, Jean-Louis Limousin
Life of this patent
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Abstract
A method, apparatus and program product may evaluate a packaging material to determine various metrics associated with the packaging material. A test apparatus may be used to evaluate packaging material using a take up drum capable of sensing containment force imparted upon the drum by packaging material applied thereto, and in some instances, simulated flaws may be formed in a web of packaging material to evaluate a packaging materials response to such flaws when under tension.
Claims45
A method of evaluating a stretch wrap packaging material, the method comprising:
- conveying a packaging material from a packaging material roll to a take up drum through a packaging material delivery system that applies a controlled stretch to the packaging material prior to the packaging material being wrapped around the take up drum;
- forming a plurality of simulated flaws in the packaging material from a position on or upstream of a most downstream roller of the packaging material delivery system;
- and
- varying the controlled stretch while conveying the packaging material from the packaging material roll to the take up drum to determine an amount of controlled stretch at which a simulated flaw among the plurality of simulated flaws exhibits a predetermined behavior.
1 more element
A method of evaluating a stretch wrap packaging material, the method comprising:
- forming a plurality of simulated flaws in a packaging material;
- conveying the packaging material from a packaging material roll to a take up drum through a packaging material delivery system that applies a controlled stretch to the packaging material prior to the packaging material being wrapped around the take up drum;
- varying the controlled stretch while conveying the packaging material from the packaging material roll to the take up drum to determine an amount of controlled stretch at which a simulated flaw among the plurality of simulated flaws exhibits a predetermined behavior;
- and
- determining a specific containment force for the packaging material at varying amounts of controlled stretch applied by the packaging material delivery system.
2 more elements
A method of evaluating a stretch wrap packaging material, the method comprising:
- conveying a web of packaging material from a packaging material roll to a body through a packaging material delivery system that applies a controlled stretch to the packaging material prior to the packaging material being wrapped around the body;
- forming a plurality of simulated flaws in the web of packaging material as the web of packaging material is conveyed to the body by puncturing the packaging material with a pressurized fluid expelled by a nozzle disposed proximate to the web of packaging material and coupled to a source of pressurized fluid;
- and
- varying the controlled stretch while conveying the web of packaging material from the packaging material roll to the body to subject the plurality of simulated flaws to varying amounts of controlled stretch.
1 more element
An apparatus for evaluating a stretch wrap packaging material, the apparatus comprising:
- a take up drum;
- a packaging material delivery system configured to convey a web of packaging material from a packaging material roll to the take up drum to apply a controlled stretch to the packaging material prior to the packaging material being wrapped around the take up drum;
- a simulated flaw system configured to form simulated flaws in the packaging material on or upstream of a most downstream roller of the packaging material delivery system;
- and
- a controller coupled to the packaging material delivery system and the simulated flaw system, the controller configured to control the simulated flaw system to form a plurality of simulated flaws in the packaging material and control the packaging material delivery system to vary the controlled stretch while conveying the packaging material from the packaging material roll to the take up drum to determine an amount of controlled stretch at which a simulated flaw among the plurality of simulated flaws exhibits a predetermined behavior.
2 more elements
An apparatus for evaluating a stretch wrap packaging material, the apparatus comprising:
- a take up drum;
- a packaging material delivery system configured to convey a web of packaging material from a packaging material roll to the take up drum to apply a controlled stretch to the packaging material prior to the packaging material being wrapped around the take up drum;
- a simulated flaw system configured to form simulated flaws in the packaging material;
- and
- a controller coupled to the packaging material delivery system and the simulated flaw system, the controller configured to control the simulated flaw system to form a plurality of simulated flaws in the packaging material and control the packaging material delivery system to vary the controlled stretch while conveying the packaging material from the packaging material roll to the take up drum to determine an amount of controlled stretch at which a simulated flaw among the plurality of simulated flaws exhibits a predetermined behavior;
- wherein the controller is further configured to determine a specific containment force for the packaging material at varying amounts of controlled stretch applied by the packaging material delivery system.
3 more elements
An apparatus for evaluating a stretch wrap packaging material, the apparatus comprising:
- a take up drum;
- a packaging material delivery system configured to convey a web of packaging material from a packaging material roll to the take up drum to apply a controlled stretch to the packaging material prior to the packaging material being wrapped around the take up drum;
- a simulated flaw system configured to form simulated flaws in the packaging material;
- and
- a controller coupled to the packaging material delivery system and the simulated flaw system, the controller configured to control the simulated flaw system to form a plurality of simulated flaws in the packaging material and control the packaging material delivery system to vary the controlled stretch while conveying the packaging material from the packaging material roll to the take up drum to determine an amount of controlled stretch at which a simulated flaw among the plurality of simulated flaws exhibits a predetermined behavior;
- wherein the simulated flaw system is configured to form the plurality of simulated flaws by puncturing the packaging material with a pressurized fluid expelled by a nozzle disposed proximate to the packaging material and coupled to a source of pressurized fluid via a solenoid-actuated valve.
3 more elements
Dependencies are inferred from the claim text.