Ventilated sealing head for induction sealer
AssigneeEnercon Industries Corporation
InventorsRichard R. Hammen, Ronald F. May
Life of this patent
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Abstract
An inductive cap sealer for sealing an inner seal over an opening in a container includes a vented sealing head. The sealing head contains an induction coil for producing an electromagnetic field when energized by a power supply. Field focusing elements contain the coil and direct the electromagnetic field to a sealing region beneath the sealing head. The housing has openings and the field focusing elements are spaced to allow cooling air to flow around the field focusing elements and past the coil.
Claims9
A ventilated sealing head for an inductive cap sealing apparatus, comprising:
- an induction coil for producing an electromagnetic field;
- one or more field focusing elements disposed to at least partially surround the coil and direct the electromagnetic field of the coil toward a sealing region beneath the sealing head;
- and
- a housing containing the coil and the field focusing elements and having openings allowing air to flow past the coil.
An apparatus for inductively sealing an inner seal over an opening in a container, comprising:
- a power supply for producing alternating current;
- an external sealing head mounted to the power supply having a housing containing an induction coil for producing an electromagnetic field when energized by the power supply and field focusing elements arranged to at least in part surround the coil and direct the electromagnetic field to a sealing region beneath the sealing head, wherein the housing has openings allowing air to flow past the coil.
Dependencies are inferred from the claim text.