Brush head assembly and methods of manufacture
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United States of America Patent
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Aug 15, 2023
Grant Date -
Dec 3, 2020
app pub date -
Dec 4, 2018
filing date -
Dec 12, 2017
priority date (Note) -
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Abstract
A method (200) for manufacturing a brush head (10) includes: (i) positioning (210) a first end (23) of each of a plurality of bristle tufts (21) into a tuft plate (110) comprising a plurality of cavities (120) each configured to receive at least one of the plurality of bristle tufts; (ii) applying (220) a force, via a profile plate (300), to a second end (25) of the plurality of bristle tufts, wherein the profile plate comprises a predetermined shape complementary to a desired profile configuration of the bristle tufts; and (iii) applying (230) heat to each of the first ends of the plurality of bristle tufts, via a die plate (400) comprising at least one cavity (410) configured to receive at least one of the plurality of the first ends, at a temperature sufficient to at least partially melt each of the first ends into the cavity.
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