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Pub. No.:    WO/2017/056048    International Application No.:    PCT/IB2016/055863
Publication Date: Fri Apr 07 01:59:59 CEST 2017 International Filing Date: Sat Oct 01 01:59:59 CEST 2016
IPC: C02F 1/00
A47J 31/60
C02F 1/28
C02F 1/44
C02F 1/42
Applicants: LAICA S.P.A.
Inventors: MORETTO, Maurizio
A percolation type filtering device comprises an outer casing, a funnel-like dividing element, a seat which is formed in the funnel-like dividing element in the region of a flow path in order to receive in a removable manner first filtering means, a discharge opening which is formed in the seat and which is capable of receiving in a removable manner second filtering means, a ventilation opening which places in communication the seat with the outer side of the outer casing. The ventilation opening opens in the seat in a downstream direction along the discharge path with respect to a connection portion of the first filtering means. The funnel- like dividing element further comprises a first perimeter wall and a second perimeter wall, between which there is defined a space which defines an expansion of the ventilation opening.