According to the disclosure, a seat pad 2 includes a bag-contained pad part 250 including a foam body 240 and a bag body 230 arranged inside the foam body 240.

According to the disclosure, a seat pad 2 includes a bag-contained pad part 250 including a foam body 240 and a bag body 230 arranged inside the foam body 240.

The methods and structures disclosed herein may be used to make sleep products having foam substrates and gel layers such as mattresses, mattress toppers and pillows. The gel layers may have cooling properties and may include phase change materials. The foam substrates may also be treated with phase change materials.

The methods and structures disclosed herein may be used to make sleep products having foam substrates and gel layers such as mattresses, mattress toppers and pillows. The gel layers may have cooling properties and may include phase change materials. The foam substrates may also be treated with phase change materials.

A method of manufacturing a multi-hardness and multi-elasticity foam mattress is provided, in which unit foam blocks made of polyurethane foams having multi-hardnesses and multi-elasticities are formed integrally with each other along the longitudinal direction of the foam mattress by the continuous foaming process to thereby mold a foam mattress. The foam mattress manufacturing method is simplified to increase the productivity of the foam mattress, and the durability of the foam mattress is excellent as well as the optimum body pressure distribution and somatotype maintenance effects can be implemented, and associated unit foam blocks of zones positioned symmetrically opposed to each other, based on a unit foam block positioned at the central portion of the mattress in the longitudinal direction of the foam mattress, have the same hardness and elasticity as each other.

A method of manufacturing a multi-hardness and multi-elasticity foam mattress is provided, in which unit foam blocks made of polyurethane foams having multi-hardnesses and multi-elasticities are formed integrally with each other along the longitudinal direction of the foam mattress by the continuous foaming process to thereby mold a foam mattress. The foam mattress manufacturing method is simplified to increase the productivity of the foam mattress, and the durability of the foam mattress is excellent as well as the optimum body pressure distribution and somatotype maintenance effects can be implemented, and associated unit foam blocks of zones positioned symmetrically opposed to each other, based on a unit foam block positioned at the central portion of the mattress in the longitudinal direction of the foam mattress, have the same hardness and elasticity as each other.

A composite cushion includes a first cushioning element and a second cushioning element. The second cushioning element is formed in a manner that engages a peripheral engagement are of the first cushioning element to interlock the second cushioning element onto the first cushioning element. The second cushioning element may surround an outer periphery of the first cushioning element. In addition, a portion of the second cushioning element may be superimposed over a central cushioning area of the first cushioning element. Superimposed portions of the first and second cushioning elements may have an unsecured relationship (i.e., they are not directly secured to each other).

A composite cushion includes a first cushioning element and a second cushioning element. The second cushioning element is formed in a manner that engages a peripheral engagement are of the first cushioning element to interlock the second cushioning element onto the first cushioning element. The second cushioning element may surround an outer periphery of the first cushioning element. In addition, a portion of the second cushioning element may be superimposed over a central cushioning area of the first cushioning element. Superimposed portions of the first and second cushioning elements may have an unsecured relationship (i.e., they are not directly secured to each other).

A pocket spring core as well as a method for producing a pocket spring core for use in the manufacture of mattresses or furniture upholstery. The pocket spring core has a plurality of springs, a number of which lie in a row one behind the other in respective flexible pockets, forming a bank of springs, and a number of adjacent banks of spring, which together form a supporting surface, are interconnected. The springs of at least one region of the supporting surface have different springing characteristics from the springs of the neighboring regions. At least one part of the individual banks of springs consists of bank portions with differing spring characteristics, the pocketed springs of each bank portion are identical, at least some of the neighboring portions of adjacent banks of springs are of different lengths and the neighboring portions of adjacent banks of springs are interconnected.

A pocket spring core as well as a method for producing a pocket spring core for use in the manufacture of mattresses or furniture upholstery. The pocket spring core has a plurality of springs, a number of which lie in a row one behind the other in respective flexible pockets, forming a bank of springs, and a number of adjacent banks of spring, which together form a supporting surface, are interconnected. The springs of at least one region of the supporting surface have different springing characteristics from the springs of the neighboring regions. At least one part of the individual banks of springs consists of bank portions with differing spring characteristics, the pocketed springs of each bank portion are identical, at least some of the neighboring portions of adjacent banks of springs are of different lengths and the neighboring portions of adjacent banks of springs are interconnected.