BRISTLE HAIR SUBASSEMBLY AND BRUSH UNIT (VERSIONS) Russian patent published in 2004 - IPC

FIELD: manufacture of brush products. SUBSTANCE: subassembly has first and second warp threads and plurality of polymeric single filaments connected with and extending between first and second warp threads. Polymeric single filaments form first arc row when first and second threads are connected together. Several types and configurations of brushes are produced with the use of arced brush bristles or combination of arced and straight brush hairs. EFFECT: simplified structure and manufacture process and reduced production cost. 18 cl, 14 dwg