F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
F26B 13/26 (2006.01) F26B 5/16 (2006.01) F26B 13/16 (2006.01)
Patent
CA 2378785
A method and several exemplary apparatus for capillary dewatering of foam materials. The apparatus may include felt (20) which is applied to an exposed face (14) of the foam material (10), or a double felt arrangement applied to two opposed surfaces of the foam material. The apparatus may provide a temperature differential between the two exposed surfaces of the foam material. An alternative embodiment utilizes a roll (22) having a capillary dewatering medium (23). The capillary dewatering medium may be maintained at a vacuum either above or below the breakthrough vacuum of the capillaries. The disclosed apparatus and method is particularly useful for dewatering foams having relatively fine open capillaries.
L'invention concerne un procédé et un appareil de déshydratation capillaire de matières en mousse. L'appareil peut comporter du feutre (20), feutre qui est appliqué à une face exposée (14) de la matière en mousse (10), ou un dispositif à deux feutres appliqué à deux surfaces opposées de la matière en mousse. L'appareil peut comporter un différentiel de température entre les deux surfaces exposées de la matière en mousse. Un mode de réalisation différent emploie un rouleau (22) doté d'un support de déshydratation capillaire (23). Ce dernier peut être maintenu à un vide étant soit supérieure soit inférieure au vide de percée des capillaires. L'appareil et le procédé de la présente invention sont particulièrement utiles pour déshydrater des mousses comportant des capillaires relativement fins et ouverts.
Aduwusu Kofi
Desmarais Thomas Allen
Polat Osman
Valerio Daniel Joseph Jr.
Weber Gerald Martin
Sim & Mcburney
The Procter & Gamble Company
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