Patent ID: 6360390
Filing Date: 2002-03-26
Classification: A47C

Abstract:
In a mattress incorporating an innerspring, at least one upholstery layer provided adjacent to the innerspring, at least one quilt panel layer provided adjacent to the at least one upholstery layer and a foam construction provided within the at least one upholstery layer wherein said foam construction has foam forming an edge about its perimeter that is firmer than foam of a central portion of said foam construction, the improvement comprising:forming a foam construction from a first foam layer having a thickness greater at its perimeter and lesser at its central portion, said central portion forming a receiving space, and a second foam layer insertable within the receiving space in the first foam layer, wherein the first layer has a firmness greater than the firmness of the second foam layer and wherein the foam construction is integral to the upholstery layer within the mattress.