Sheet material for seat

A - Human Necessities – 47 – C

Patent

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A47C 7/00 (2006.01)

Patent

CA 2542464

A sheet material for a seat, characterized in that a stress (A) generated when the sheet material is extended by 5% in one of the vertical and lateral directions whichever the stress is larger is 40 to 300 N/4 cm wide, the ratio (A/B) of the stress (A) to a stress (B) generated when the sheet material is extended by 5% in the other direction is 1.5 to 15.0, and a width-in percentage (H) when the sheet materials fixed to two sides are stretched and compressed is 0 to 15%.

L'invention concerne un matériau en feuille conçu pour un siège, caractérisé en ce que l'amplitude d'une contrainte (A) générée lorsque le matériau en feuille est étiré de 5 % dans la direction verticale ou dans la direction latérale, sélectionnée de façon à obtenir la contrainte la plus grande, est comprise entre 40 et 300 N/4 cm, en ce que le rapport (A/B) entre la contrainte (A) et une contrainte (B) générée lorsque le matériau en feuille est étiré de 5 % dans l'autre direction est compris entre 1,5 et 15,0, et en ce que l'amplitude en pourcentage (H) lorsque des matériaux en feuille fixés sur deux côtés sont étirés et comprimés est comprise entre 0 et 15 %.

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