Composite foam chair cushion and method
AssigneeWestinghouse Electric Corp.
InventorHendrik R. Van Hekken
Life of this patent
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Abstract
Disclosed is a composite foam chair cushion and method used to produce the composite chair cushion. The cushion is especially suitable for use in the construction of one and two piece office type chairs. The cushion is comprised of an insert of foamed material of predetermined density and compressibility and bonded to a foamed border material of less density and greater compressibility than that of the insert. Also disclosed is a method for producing the composite foam chair cushion of this invention using a cushion mold and a foamable reaction mixture of a foam material, such as polyurethane.
Claims13
A composite foam chair cushion comprising an insert of a foamed material of a predetermined density and compressibility, the insert having a top surface a bottom surface and side surfaces, the side surfaces of the insert being bonded to and completely surrounded by a foamed border material of less density and greater compressibility than that of the insert.
A composite foam chair cushion comprising a chair seat portion and a chair back portion, the seat and back portions being formed as a single integral unit including a foamed material, the foamed material consisting of a one-piece insert having a predetermined density and compressibility and a foamed border material having a lesser density and greater compressibility than that of the insert, the foamed border material bonded to and substantially surrounding the insert, wherein the foamed border material comprises the remainder of the chair seat and back portions.
Dependencies are inferred from the claim text.