TOOTHBRUSH Russian patent published in 2015 - IPC A46B9/04 

FIELD: personal use articles.

SUBSTANCE: toothbrush comprises conical bristle fibres in combination with openings for the bundles of reduced size, such as 1.3-1.4 mm in diameter. In another aspect, the invention provides a toothbrush in which the number of openings for the bundles and the number (X) of conical bristle fibres in each opening for the bundle are balanced to achieve a ratio reducing the production cost of the toothbrush while maintaining mouthfeel. A variant of implementation of the toothbrush, which comprises the conical bristle fibres and also provides a balance between the perimeter of the openings for the bundles of reduced size and the spacing between the adjacent openings for the bundles for achievement of the ratio.

EFFECT: production cost of the toothbrush is reduced while maintaining mouthfeel.

34 cl, 6 dwg, 1 tbl