Menetelmä kartonkipohjaisen muotokappaleen valmistamiseksi ja siihen soveltuva muotti

摘要

The invention relates to a method of manufacturing a cardboard-based shaped piece and to a mould used in the manufacture. The shaped pieced is formed from a cardboard-based blank A by compression moulding under injection moulding conditions, wherein a spot between its bottom and side wall is bent to form the shaped piece. For the moulding, a mould is used, which helps to decrease the friction between the cardboard blank and the mould. This decrease in friction is provided by first roughening and then coating the surfaces of the mould that come into contact with the cardboard blank.