METHOD FOR PRODUCING GYPSUM PLASTERBOARD AND GYPSUM PLASTERBOARD OBTAINED THEREBY Russian patent published in 2019 - IPC E04C2/04 B28B19/00 B28B5/02 B32B13/08 

FIELD: processing of cement, clay and stone.

SUBSTANCE: group of inventions relates to methods of making plasterboard and plasterboards. According to one version, the method of making a gypsum plasterboard comprises steps of: using a first mixer, providing a first suspension of gypsum of a certain type; using separate second mixer, providing a second suspension of gypsum of a certain type, wherein between the first and second mixers there is no liquid connection; applying first part of second suspension so that lower layer of second suspension is formed; second part of second suspension is applied so that upper layer of second suspension is formed; at least a portion of the first suspension is applied on the lower and/or upper layer so that a central layer of the first suspension is formed between the lower and upper layers.

EFFECT: technical result consists in improvement of plasterboard manufacturing efficiency.

17 cl, 3 dwg