MOLD-FORMING ARTICLE MANUFACTURING METHOD AND DEVICE Russian patent published in 2021 - IPC B30B11/08 B30B11/34 

Abstract RU 2741432 C2

FIELD: moulding.

SUBSTANCE: invention relates to molded articles production. Device (10) comprises upper system (12) of puncheons and lower system (13) of puncheons with puncheon units (15, 16) and forming tool (14). Puncheon assy has at least one male die 17. Punches move relative to each other in axial direction in matrix (19) of forming tool so that forming segments are formed. Provided is filling device (27) for matrix filling with molding material. Each male die system has several male dies arranged in circle. Forming tool comprises matrix plate (18), which together with puncheon units forms rotor. Device includes feeder (30) intended for supply to rotor of film (31), laid between male die and female die. A film is formed on the first molded layer of the article.

EFFECT: higher efficiency of production of multilayer molded articles.

20 cl, 21 dwg

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RU 2 741 432 C2

Authors

Rinn, Guenter

Dates

2021-01-26Published

2017-05-08Filed