Permeable membrane

Details Permeable membrane Permeable membrane

D - Textiles, Paper

21

F

D21F 3/02 (2006.01) D21F 1/00 (2006.01)

Patent

CA 2463141

A permeable membrane for use on displacement presses of the type described in US 6190,506, or for converting air presses, such as those described in US 6,454,905, WO 99/23301 and WO 99/23296, into a displacement press. The membrane 2 comprising a laminate structure having at least one permeable wear layer 12, 14 and at least one semi-permeable perforated sheet layer 4.

L'invention concerne une membrane perméable destinée à être utilisée sur des presses à déplacement du type décrit dans US 6190-506, ou pour transformer des presses à air, telles que celles décrites dans les inventions US 6-454-905, WO 99/23301 et WO 99/23296, dans une presse à déplacement. Ladite membrane (2) comprend une structure stratifiée dotée d'au moins une couche d'usure perméable (12, 14) et d'au moins une couche en feuille semi-perméable perforée (4).

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