公开(公告)号：EP4098420A1

公开(公告)日：2022-12-07

申请号：EP21176837.9

申请日：2021-05-31

申请人： Rottneros Packaging AB

发明人： GRANKVIST, Henrik ,  LUNDIN, Niklas

IPC分类号： B29C43/14 ,  B29C43/02 ,  D21J3/00 ,  B65D1/34 ,  B65D1/40 ,  B65D21/02 ,  B29K1/00 ,  B29L31/00 ,  B65D65/46

摘要： A compression moulding tool for manufacturing a fibrous pulp tray (600) having a floor portion (602) and walls (604) extending from the floor portion. The tool comprises a first female mould element (102) comprising a plurality of first recessed portions (112), a water permeable filter (202) arranged in the first female mould element and configured to follow the surface of the female mould element, a second female mould element (104) comprising a plurality of second recessed portions (306) at locations corresponding to the first recessed portions and smaller than the first recessed portions, and a male mould element (106) configured to press against the first and second female mould elements to compress a fibrous pulp product located therebetween, the male mould element having a smooth surface profile at locations corresponding to the first and second recessed portions of the first and second female mould.