Seat element moulded from expandable and reticulable...

A - Human Necessities – 47 – C

Patent

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Details

A47C 7/18 (2006.01) A47C 7/20 (2006.01) B29C 44/58 (2006.01) B29C 45/00 (2006.01) B29C 65/66 (2006.01) B60N 2/70 (2006.01)

Patent

CA 2750804

A manufacturing method of a seat element (1; 101) is disclosed, comprising a body (2) obtained from moulding polyolefm plastic materials of expandable and reticulable type, and a template (3; 103) made of rigid material, which is coupled with the body (2) when it is still hot, in such a way to control the shrinking of the material of the body during cooling.

L'invention concerne un processus de fabrication d'un élément de siège (1 ; 101) comprenant un corps qui est obtenu en moulant des matériaux plastiques à base de polyoléfine du type expansible ou réticulable, et un gabarit (3 ; 103) fait d'un matériau rigide qui est couplé au corps (2) lorsqu'il est encore chaud de manière à contrôler le rétrécissement du matériau du corps pendant le refroidissement.

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