FIELD: technology of manufacturing hollow articles in jewelry production. SUBSTANCE: method includes making of body metal master pattern together with shank and gate runner. Metal master pattern of hollow is made together with shank. Flexible molds are made by master patterns. Then mold of copy of hollow master pattern is made, investment pattern of article body is made and metal casting is produced. Making of master patterns together with shank provides for obtaining of more rigid structure of master patterns and molds. Master patterns of high rigidity may be used repeatedly. EFFECT: higher productivity and quality of articles; reduced labor input. 4 cl, 7 dwg, 1 ex
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