Metal working – Upholstered article making – Method
Reexamination Certificate
2011-08-16
2011-08-16
Barfield, Anthony D (Department: 3636)
Metal working
Upholstered article making
Method
C029S419100, C297S452480
Reexamination Certificate
active
07996970
ABSTRACT:
To provide a seat having a three-dimensional complex undulated cushion body securing hardness in a stress direction and excelling in dispersibility of the stress and durability, and a method of manufacturing the same.A seat1includes frames (15, 25), cushion bodies (11, 21) obtained by forming a plurality of sheet-like fibrous structures4ato4dintegrally, and covers (13, 23), wherein a sheet-like fibrous structure4is formed by performing cotton blending of thermally adhesive composite short fibers to inelastic crimped short fibers and thermally adhering crossing points, and the sheet-like fibrous structure4satisfies a relationship of A≧3B/2 when the number of short fibers arranged along a thickness direction is represented as A and the number of short fibers arranged along a direction perpendicular to the thickness direction is represented as B, and the cushion bodies11, 21are obtained by disposing in a state in which the sheet-like fibrous structures4ato4dare stacked and compressed in a mold40, and forming the sheet-like fibrous structures4ato4dintegrally by performing high pressure steam molding, and provided on the frames15, 25such that a thickness direction extends along a direction in which a load is applied.
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Suzuki Atsushi
Takei Yasuchika
Barfield Anthony D
Sughrue & Mion, PLLC
Teijin Fibers Limited
TS Tech Co. Ltd.
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