- 专利标题: COMPRESSION MOULDING TOOL AND METHOD FOR MANUFACTURING A FIBROUS PULP TRAY USING THE TOOL
-
申请号: EP21176837.9申请日: 2021-05-31
-
公开(公告)号: EP4098420A1公开(公告)日: 2022-12-07
- 发明人: GRANKVIST, Henrik , LUNDIN, Niklas
- 申请人: Rottneros Packaging AB
- 申请人地址: SE 686 31 Sunne Rönna väg 5
- 代理机构: Kransell & Wennborg KB
- 主分类号: B29C43/14
- 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.
信息查询