AGGREGATE FOR MOLDING HOLLOW ARTICLES AND METHOD OF THEIR MOLDING Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: technical effect is achieved due to the peculiar structural features of the fulfillment of its main assemblies, the upper punch, the die and the hydraulic system construction controlling the hydraulic cylinders of pressing. The structural features of the device predetermine originality of the operation aggregate of the method of the article molding as regards the preparation of the starting material, dosing of the volume of the mass charged into the die and the execution of the two-sided stagewise, mainly two-stage molding. EFFECT: enhanced efficiency of article molding at the simultaneous production of the required cavities of various forms in them. 2 cl, 3 dwg