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US 6,629,399 B2Granted
Induction foil cap sealer employing litz wire coil
AssigneeKaps-All Packaging Systems Inc.
InventorsFrederick W. Sarles, Douglas A. Johnson
Life of this patent
Estimating the term…
Abstract
An sealing system includes a frame, a ferrite core disposed within the frame, and a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, where the ferrite core and litz wire coil are adapted to direct the electromagnetic field toward a foil to seal an opening of a container with the foil. The sealing head is air cooled within the induction sealing unit.
Claims48
A cap sealing unit to seal an opening of a container, the opening being provided with a foil, comprising:
- a frame having a sealing head, the sealing head being adapted to receive the opening of the container;
- a ferrite core disposed within the frame;
- and
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil being adapted to direct the electromagnetic field toward a foil to seal an opening of a container with the foil.
1 more element
The cap sealing unit, comprising:
- a frame;
- a ferrite core disposed within the frame;
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil being adapted to direct the electromagnetic field toward a foil to seal an opening of a container with the foil;
- wherein the ferrite core and litz wire coil are adapted to form a substantially U-shaped recess for receiving the container;
- and wherein the ferrite core of the U-shaped recess comprises:
- a substantially horizontally directed portion;
- two oppositely disposed and substantially vertically directed portions extending from respective edges of the horizontal portion, the vertically directed portions being adapted to direct the electromagnetic field toward the container;
- and
- a center spine portion extending substantially vertically from the horizontal portion but between the oppositely disposed vertical portions.
6 more elements
The cap sealing unit, comprising:
- a frame;
- a ferrite core disposed within the frame;
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil being adapted to direct the electromagnetic field toward a foil to seal an opening of a container with the foil;
- wherein the ferrite core and litz wire coil are adapted to form a substantially U-shaped recess for receiving the container;
- and wherein the ferrite core of the U-shaped recess comprises:
- a substantially horizontally directed portion;
- two oppositely disposed and substantially vertically directed portions extending from respective edges of the horizontal portion, the vertically directed portions being adapted to direct the electromagnetic field toward the container;
- and
- at least one inwardly directed portion extending from the lower edge of at least one of the oppositely disposed vertically directed portions, the inwardly directed portion being adapted to direct the field toward the container.
6 more elements
The cap sealing unit, comprising:
- a frame;
- a heat sink coupled to the frame;
- a ferrite core disposed within the frame;
- and
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil being adapted to direct the electromagnetic field toward a foil to seal an opening of a container with the foil;
- wherein the ferrite core comprises a plurality of individual ferrite cores arranged in proximity to one another;
- and wherein at least some of the ferrite cores are operatively coupled to the heatsink for transferring heat thereto;
- and wherein the heatsink includes fins for transferring heat from the heatsink to air passing over the fins.
5 more elements
A cap sealing unit to seal an opening of a container, the opening being provided with a foil, comprising:
- a frame having a sealing head, the sealing head being adapted to receive the opening of the container;
- a ferrite core disposed within the frame;
- and
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil forming a recess to receive the opening of the container, the recess adapted to direct the electromagnetic field toward the foil to seal the opening of the container with the foil.
1 more element
The cap sealing unit, comprising:
- a frame;
- a ferrite core disposed within the frame;
- and
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil forming a recess to receive an opening portion of a container and a foil located proximate to the opening portion, the recess adapted to direct the electromagnetic field toward the foil to seal the opening of the container with the foil;
- wherein the ferrite core of the recess comprises:
- a substantially horizontally directed portion;
- two oppositely disposed and substantially vertically directed portions extending from respective edges of the horizontal portion, the vertically directed portions being adapted to direct the electromagnetic field toward the container;
- and
- a center spine portion extending substantially vertically from the horizontal portion but between the oppositely disposed vertical portions.
6 more elements
The cap sealing unit, comprising:
- a frame;
- a ferrite core disposed within the frame;
- and
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil forming a recess to receive an opening portion of a container and a foil located proximate to the opening portion, the recess adapted to direct the electromagnetic field toward the foil to seal the opening of the container with the foil;
- wherein the ferrite core of the recess comprises:
- a substantially horizontally directed portion;
- two oppositely disposed and substantially vertically directed portions extending from respective edges of the horizontal portion, the vertically directed portions being adapted to direct the electromagnetic field toward the container;
- and
- at least one inwardly directed portion extending from the lower edge of at least one of the oppositely disposed vertically directed portions, the inwardly directed portion being adapted to direct the field toward the container.
6 more elements
The cap sealing unit, comprising:
- a frame;
- a heatsink coupled to the frame;
- a ferrite core disposed within the frame;
- and
- a litz wire coil disposed proximate to the ferrite core for producing an electromagnetic field within the ferrite core, the ferrite core and litz wire coil forming a recess to receive an opening portion of a container and a foil located proximate to the opening portion, the recess adapted to direct the electromagnetic field toward the foil to seal the opening of the container with the foil;
- wherein the ferrite core comprises a plurality of individual ferrite cores arranged in proximity to one another;
- and wherein at least some of the ferrite cores are operatively coupled to the heatsink for transferring heat thereto.
4 more elements
Dependencies are inferred from the claim text.