MOULDING DEVICE AND METHOD Russian patent published in 2024 - IPC B29C43/36 B29C33/30 B29C43/34 B29C45/33 B29C45/56 

FIELD: foundry.

SUBSTANCE: group of inventions relates to a moulding device and a method of making articles by compression moulding of the moulded material. Moulding device has moulding area (4) limited by side surface (5) passing around central zone (6). At that, moulding device comprises several sectors (8; 80; 108; 208) defining lateral surface (5) and each having body (9) confined by moulding surface (11; 311). At least a first pushing device for applying to first sector (8a; 80a) of said plurality of sectors of first force (F1) directed to central zone (6) in first direction (D1), at least a second pushing device for applying to second sector (8b; 80b) of the said several sectors of the second force (F2) directed to central zone (6) in the second direction (D2) passing across the first direction (D1). At that, male die (15; 115; 315), made with possibility of passing into moulding area (4) for moulded material compression. Second sector (8b; 80b) is in contact with first sector (8a; 80a) to transmit second force (F2) to first sector (8a; 80a), so that moulding surface (11; 311) of first sector (8a; 80a) moves to central zone (6) under combined action of first force (F1) and second force (F2) to reduce volume of moulding area (4).

EFFECT: creation of a moulding device and a method in which a moulding region is formed, the volume of which during moulding can be easily reduced, even considerably, allowing to obtain a product of good quality from the moulded material and having a side wall, which has virtually no defects, or a curved side wall, by moulding the moulded material.

21 cl, 21 dwg