Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1993-01-08
1996-06-04
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
5470, 5475, 5478, 428102, 428160, 428284, 428253, B32B 326, A47C 27045, A47C 3102
Patent
active
055231446
ABSTRACT:
A padded cover for use with a mattress which provides added postural support (as well as extra thermal insulation and padding). The padded cover includes a sheet of support material which covers essentially the full length of the mattress. This sheet of support material is stiffened over the middle part of the mattress length. Thus, this arrangement provides extra firmness under the torso, while maintaining an essentially flat upper surface. This cover structure can be retrofitted to existing mattresses. The disclosed innovations also provide improved methods for manufacturing bedding material with stable and longitudinally nonuniform postural support. For example, in the presently preferred embodiment, three layers are fed into a standard quilting machine: an upper layer of ticking, a middle layer of convoluted-foam support material, and a bottom layer of quilt backing. The support material thus is quilted between the two other layers, giving a quilted fabric that may be made into a mattress cover.
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Formby Betty
Groover Robert
Lesmes George F.
Shelborne Kathryne E.
Valwhat Enterprises, Inc.
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