Pulp container with fused junction and method of making same
AssigneeLgab LLC
InventorsAdam Berk, Lee Green, Fuad Khan
Life of this patent
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Abstract
Molded pulp containers with fused junctions and methods of making of same are provided. The present invention provides a pulp container, comprising a molded pulp body, wherein the body comprising a bottom and at least one side wall forming a cavity, wherein the at least one side wall comprising a upper rim, a neck, wherein the neck comprising a upper closure part and a lower rim, a fused junction, wherein a part of the upper rim of the at least one sidewall of the body and a part of the lower rim of the neck are aligned and fused together. The fused junction may be formed by ultrasonic welding.
Claims22
A method of fabricating a pulp container, the method comprising:
- generating a first part shell, wherein the first part shell comprising a first rim surrounding a first depression;
- generating a second part shell, wherein the second part shell comprising a second rim surrounding a second depression;
- laminating an interior surface of at least one of the first part shell and the second part shells with a polymer film, which extends to the first rim and the second rim;
- aligning the first part shell and the second part shell, wherein the first rim and the second rim are aligned and the first depression and the second depression form a cavity,
- wherein aligning the first part shell and the second part shell placing the at least one interior surface laminated with the polymer film between a contact interface of the first rim and the second rim;
- and
- ultrasonic welding the first rim and the second rim forming a container.
A method of joining a pulp component to a second component, comprising
- providing a pulp component comprising a flat first rim;
- providing a second component comprising a flat second rim;
- aligning the first rim with the second rim, wherein at least one of the first rim and the second rim comprising a polymer layer;
- and
- ultrasonic welding the first rim to the second rim.
Dependencies are inferred from the claim text.