MOULD FOR MOULDING OF POWDER PARTS Russian patent published in 1997 - IPC

FIELD: moulding. SUBSTANCE: the mould is furnished with retainers, whose lower plane is made with a draft for axial movement, the lower plane of the central punch groove is made with drafts coinciding with the draft of the lower plane of each retainer. The lower plane of the retainers is made for engagement with the lower plane of the central punch groove, and the upper plane of the retainers is engageable with the guides. The drafts of the lower planes of the central punch groove are directed to opposite sides. EFFECT: improved design. 2 cl, 3 dwg