B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/14 (2006.01) B01D 25/00 (2006.01) B01D 29/01 (2006.01) B01D 46/52 (2006.01) B29C 61/06 (2006.01) B29C 53/02 (2006.01)
Patent
CA 2210862
A method for making a pleated structure having a pleated shape memory is provided which includes the steps of: providing a material in a pleated structure having a plurality of substantially parallel folds; folding the material along a plurality of axes substantially perpendicular to the first plurality of folds so as to provide a folded structure defining wall portions between folds along the plurality of axes and having face portions at the folds; heating the material in the pleated structure so as to provide a heated material; and cooling the heated material so as to provide the material with shape memory toward the pleated structure. The material is preferably a filter media and the pleated structure is preferably a filter pack structure.
Méthode de préparation d'une structure plissée à mémoire de forme. La méthode comprend les étapes suivantes : former un matériau en structure comportant plusieurs plis généralement parallèles; plier le matériau le long de plusieurs axes généralement perpendiculaires aux premiers plis, de manière à obtenir une structure plissée présentant des parties parois entre les plis sur plusieurs axes et des parties aux pliures; chauffer le matériau en structure plissée de manière à obtenir un matériau chauffé; refroidir le matériau chauffé de manière à obtenir un matériau à mémoire de forme en structure plissée. Le matériau consiste de préférence en un matériau filtrant, et la structure plissée constitue de préférence un filtre.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Ter Horst Dirk Dieter Hans
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