Insulation window
AssigneeFabricated Packaging Materials, Inc.
InventorJeffrey Allan Gross
Life of this patent
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Abstract
An insulation window for use with a water heater having a tank and a jacket together at least partially defining a circumferential void therebetween, the insulation window comprising: (a) a rigid polymer core including a continuous wall defining an internal through hole; (b) a first compressible layer overlapping a first side of the continuous wall to delineate a first opening in communication with the through hole; and, (c) a second compressible layer overlapping a second side of the continuous wall to delineate a second opening in communication with the through hole, where the first side of the continuous wall is generally opposite the second side.
Claims20
An insulation window for use with a water heater having a tank and a jacket together at least partially defining a circumferential void therebetween, the insulation window comprising:
- a rigid polymer core including a continuous wall defining an internal through hole;
- a first compressible layer overlapping a first side of the continuous wall to delineate a first opening in communication with the through hole;
- and,
- a second compressible layer overlapping a second side of the continuous wall to delineate a second opening in communication with the through hole;
- wherein the first side of the continuous wall is generally opposite the second side.
An insulation window for use with a water heater having a tank and a jacket together at least partially defining a circumferential void therebetween, the insulation window comprising;
- an expanded polymer core including a first surface with a first curvature and a second surface, spaced apart from the first surface, with a second curvature less than the first curvature, the expanded polymer core including an internal through hole;
- a first layer overlapping the first surface of the expanded polymer core and delineating a first opening in communication with the through hole;
- and,
- a second layer overlapping the second surface of the expanded polymer core and delineating a second opening in communication with the through hole;
- wherein the first layer and the second layer are more readily compressible than is the expanded polymer core.
An insulation window for use with a water heater having a tank and a jacket together at least partially defining a circumferential void therebetween, the insulation window comprising:
- a polymer foam core including a wall at least partially circumscribing a through hole, the polymer foam core having a first stiffness and having opposed first and second sides, the first side shaped to approximate an arcuate profile of the tank and the second side shaped to approximate an arcuate profile of the jacket, wherein the arcuate profiles have different curvatures;
- a first layer overlapping at least a portion of a first side of the polymer foam core and at least partially circumscribing the through hole, the first layer at least partially delineating a first opening in communication with the through hole, the first layer having a second stiffness;
- and,
- a second layer overlapping at least a portion of a second side of the polymer foam core and at least partially circumscribing the through hole, the second layer at least partially delineating a second opening in communication with the through hole, the second layer having a third stiffness;
- wherein the first stiffness is more than ten times as great as at least one of the second stiffness and the third stiffness.
Dependencies are inferred from the claim text.