衬垫体、座椅以及它们的制造方法

Cushion body, seat, and method of producing them

Abstract

A cushion body, which can secure both soft touch feeling and durability, a seat having the same, and a manufacturing method thereof are provided. A cushion body 11 is formed by stacking a first sheet-like fibrous structure 4a and a second sheet-like fibrous structure 4b where webs 2 are stacked such that their extending direction conforms with a thickness direction T of the cushion body and between the first sheet-like fibrous structure 4a and the second sheet-like fibrous structure 4b, a load receiving member 4e whose flexing degree to load in the thickness direction T is small is disposed. Since the first sheet-like fibrous structure 4a is disposed on a sitting surface 10a, the structure is largely flexed when applied with the load from outside the cushion body 11 due to sitting and gives soft touch feeling to a seat occupant. On the other hand, since the load receiving member 4e has a small flexing amount and holds certain hardness, the member is hard to fatigue to the load and canensure durability by supporting the load in the thickness direction T received by the first sheet-like fibrous structure 4a and dispersing it.
提供一种可以确保柔软的触感和耐用性两方面的衬垫体以及具有该衬垫体的座椅和制造它们的方法。衬垫体11是沿着其厚度方向T的延伸方向将层叠了织物2的第一片状纤维结构体4a和第二片状纤维结构体4b层叠而形成的,在第一片状纤维结构体4a和第二片状纤维结构体4b之间设置对于厚度方向T的承重的弯曲程度小的承重部件4e。由于在就座面10a设置有第一片状纤维结构体4a,受到就座者带来的来自衬垫体11外部的承重而产生大的弯曲,所以给就座者柔软的触感。另一方面,由于承重部件4e保持弯曲量微小的某种程度的硬度,所以通过支持第一片状纤维结构体4a受到的向厚度方向T的承重而分散该承重,不太可能在承重下产生永久变形,可以确保耐用性。

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    CN-102762130-AOctober 31, 2012李尔公司非织造织物座椅填充