METHOD OF MANUFACTURE OF ARTICLES FROM THERMOSETTING PLASTICS Russian patent published in 1996 - IPC

FIELD: technology of processing of plastics, in particular, processing of thermosetting plastics by the method of compression moulding. SUBSTANCE: the method consists in preparation of material and moulding of it in a mould at a stepped variation of pressure from 0.2 to 0.4 of the optimum value up to its full value, material moulding in the first stage is accomplished until the height of the moulded article is decreased by 10 to 20% since the instant of contact with both plates of the mould. EFFECT: facilitated procedure.