METHOD OF MANUFACTURING HOLLOW ARTICLES OF SINTER Russian patent published in 2018 - IPC B28B11/00 B44F7/00 

FIELD: manufacturing technology.

SUBSTANCE: invention relates to the production of hollow articles of general purpose, furniture elements, decorative and souvenir products, as well as elements of external facing of buildings, fountains, flowerpots, outdoor furniture that do not externally differ from products made of natural granite. Method for manufacturing hollow articles from the agglomerate comprises layerwise application of a polymeric binder onto the surface of the matrix resin mold, subsequent application of the filler, polymerization of the coating. In this case, a form-matrix of the future product is pre-manufactured, which is covered with at least three layers of the separator with a time delay after each application of 20 minutes. Filler is applied layer-by-layer in different fractions, from a larger size to a smaller one, followed by plugging each layer manually. After that, without waiting for complete polymerization, layers of structural glass fabric are laid on the filler, which are rolled by rollers. And, after complete polymerization of the resin, the form-matrix is disassembled and the finished product is taken out.

EFFECT: formation of a smooth, smooth product that does not require further polishing; increased durability of the decorative coating, expansion of functionality due to the decoration of products of different shapes, different volume and size; light weight, which makes it possible to install in places that are not designed for a large weight load.

5 cl, 1 tbl, 1 ex