Stoves and furnaces – Liquid heater – Open-top vessel that may include lid
Patent
1989-06-05
1991-03-12
Eley, Timothy V.
Stoves and furnaces
Liquid heater
Open-top vessel that may include lid
220413, 220459, A47J 2710
Patent
active
049989707
ABSTRACT:
An appliance, such as a refrigerator or water heater construction, typically includes a first wall in surrounding spaced apart relationship to a second wall. An insulating and sealing device of insulation material, such as fiberglass or foamed material partially enclosed in an open-topped envelope of plastic or foil material is circumferentially located in the space between the first wall and outer wall at a preselected location within the space. The insulating and sealing device which is of a radial thickness greater than the radial width of the space is radially compressed between the first wall surface and second wall surface. An expanded foam thermal insulation material fills the space to one side of the insulating and sealing device. A method of making the appliance having two spaced apart walls includes the steps of positioning an insulating and sealing device of resilient, flexible insulation material on and in contact with one of the walls, the insulating and sealing device having a radial thickness greater than the radial width of the space, and positioning the two walls into transverse spaced apart relationship radially compressing the collar between the two walls. In another embodiment, the method of making the appliance includes the steps of positioning the two walls in transverse spaced apart relationship, and positioning an insulating and sealing device of resilient, flexible insulation material within the space in contact with the facing surfaces of the two walls, the insulating and sealing device having a radial thickness greater than the width of the space.
REFERENCES:
patent: 4798308 (1989-01-01), Nelson
Eley Timothy V.
Soltech Inc.
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