B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/07 (2006.01) D06C 27/00 (2006.01) D21H 27/40 (2006.01)
Patent
CA 2297728
The invention relates to a relativety soft, mainly tabular but three- dimensional product, obtained by means of an embossing die intended for processing a relatively soft and tabular end product consisting of a plurality of "hinged parallelograms", which are limited by lines of constricted material in such a way that tractive forces exerted thereupon cause the hinged parallelogram formation to behave like a pantograph, whereby on the primary volume increase resulting from the embossing process a secondary volume increase is overlaid by stretching.
L'invention concerne un produit relativement doux, principalement plat mais tridimensionnel, que l'on obtient au moyen d'un outil d'estampage servant à transformer, par estampage, un produit de départ plat relativement doux afin de créer un motif d'estampage composé d'une multitude de "parallélogrammes articulés". Ces parallélogrammes sont limités par des lignes de matériau comprimé de telle façon que, en cas d'application de forces de traction, le réseau de parallélogrammes articulés se comporte comme un pantographe, un agrandissement de volume secondaire se superposant par un processus d'étirement à l'agrandissement de volume primaire dû à l'estampage.
Hunt Brian
Mclain John Dunn
Rutherford George
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Sca Hygiene Products Gmbh
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