FIELD: oral care.
SUBSTANCE: group of inventions relates to a brush head and its manufacturing method. The method includes formation of a set of retaining elements, each of which has a through hole. Retaining elements are placed in corresponding recesses of a plate. A bundle of bristles is inserted into each hole in retaining elements. A near end of each bundle of bristles is fasten with a corresponding near side of the retaining element to form part of the head with combined near ends, which fastens bundles of bristles and corresponding retaining elements together in the form of a set of nodes of combined bundles. A neck of the brush head is placed relatively to nodes of combined bundles. A base of the neck and nodes of combined bundles are at least partially fixed in a matrix.
EFFECT: manufacture of a brush head having improved characteristics of retention of bundles of bristles.
14 cl, 20 dwg
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|
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|
RU2314774C2 |
Authors
Dates
2023-01-13—Published
2018-06-20—Filed