发明授权
US09339117B1 Mattress with a visco elastic polyurethane foam layer 有权
床垫用粘弹性聚氨酯泡沫层

Mattress with a visco elastic polyurethane foam layer
摘要:
A foam mattress is provided having a body facing surface comprising a viscoelastic foam layer. The body facing surface further comprises a recess or cavity into which a layer including a core of springs may be provided. The foam mattress further having a layer of open cell foam beneath the viscoelastic foam layer. The open cell, or reticulated, foam layer provides increased breathability. Support for the mattress may further be provided by a bottom layer of conventional foam.
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