Systems and methods for electromagnetic forming of containers
AssigneeBelvac Production Machinery, Inc.
InventorRichard H. Lee
Life of this patent
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Abstract
Systems and methods of forming articles using electromagnetic radiation are disclosed. In some aspects, the system includes a plurality of forming modules movably mounted relative to an infeed mechanism. The infeed mechanism is configured to supply pre-form articles to the plurality of forming modules, and each of the plurality of forming modules includes a multi-segment mold disposed about an electromagnetic coil. The electromagnetic coil is configured to impart an electromagnetic force on the pre-form articles when supplied with electrical energy that urges the pre-form articles into contact with the multi-segment mold to produce the formed containers.
Claims22
An electromagnetic coil assembly comprising:
- a bottom cap;
- and more than one helical winding, each of the helical windings including a respective parallel electrical path, the helical windings being electrically coupled to the bottom cap, the bottom cap and the helical windings being configured to be coupled to a charging circuit, the helical windings being configured to exert an electromagnetic force when an electrical energy is passed through the helical windings,
- wherein the helical windings are created from a generally cylindrical tube of conductive material.
An electromagnetic coil comprising:
- a bottom cap being shaped to accommodate a domed bottom of a pre-form article;
- more than one helical winding extending from the bottom cap, each of the helical windings including a respective parallel electrical path, the helical windings defining a generally cylindrical cavity therein, each of the helical windings having a cross-sectional profile, the cross-sectional profiles including generally flat edges proximate the cavity;
- and
- a return conductor electrically coupled to the bottom cap such that the helical windings, bottom cap, and return conductor form an electrical circuit, the electrical circuit configured to be electrically coupled to a charging circuit.
An electromagnetic coil comprising:
- a bottom cap being shaped to accommodate a domed bottom of a pre-form article;
- more than one helical winding extending from the bottom cap, each of the helical windings including a respective parallel electrical path, the helical windings defining a generally cylindrical cavity therein, each of the helical windings having a cross-sectional profile, the cross-sectional profiles including generally flat edges proximate the cavity;
- and
- a return conductor electrically coupled to the bottom cap such that the helical windings, bottom cap, and return conductor form an electrical circuit, the electrical circuit configured to be electrically coupled to a charging circuit,
- wherein the electromagnetic coil is configured to be coupled to a compressed-air system, the compressed-air system being configured to pressurize an internal volume disposed between the pre-form article and the electromagnetic coil to a predetermined pressure when the pre-form article is disposed about the helical windings.
Dependencies are inferred from the claim text.