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1. (WO2015125105) MOULD FOR PRESSING POWDER MATERIAL

Pub. No.:    WO/2015/125105    International Application No.:    PCT/IB2015/051274
Publication Date: Fri Aug 28 01:59:59 CEST 2015 International Filing Date: Fri Feb 20 00:59:59 CET 2015
IPC: B28B 3/06
B30B 15/00
B30B 15/06
Applicants: S.C.R. - STAMPI CERAMICI ROTEGLIA - S.R.L.
Inventors: PICCININI, Daniele
Title: MOULD FOR PRESSING POWDER MATERIAL
Abstract:
A mould (1; 1') for pressing powder material comprises a die (3), or lower half mould, in which a plurality of recesses (4) is obtained that are intended for containing the powder material to be pressed, said die (3) comprising a basement plate (5) and an upper plate (13), supported by supporting elements (14; 22) fixed to the basement plate (5), to said basement plate (5) an ejecting block (6) being fixed that supports a plurality of base elements (7), each of which constitutes the bottom of a respective recess (4); between each base element (7) and the ejecting block (6) a respective chamber (15) is defined that is suppliable with a pressurised fluid, said base element floating on said pressurised fluid, each chamber (15) being supplied with said pressurised fluid independently of the other chambers (15).