Brush, in Particular Toothbrush, and Method of Manufacturing the Same
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United States of America Patent
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Issued Date -
May 19, 2022
app pub date -
Mar 27, 2020
filing date -
Mar 27, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a brush including a brush head (28) carrying bristle filaments (6), a brush neck and a handle stem, which are arranged one behind the other in the longitudinal direction of the brush, in which a bristle carrier (32) holding the bristle filaments (6) is formed from a hard component (16) and the handle stem is formed from a foamed plastic material (24). In a method according to the invention, a first plastic component (16) is injected into a first mold cavity (14) to form a bristle carrier (32) holding bristle filaments (6), the bristle carrier (32) is transferred to a further mold cavity (22) and, in a further molding cycle, a foaming plastic (24) is introduced into the further mold cavity (22), which foams in the further mold cavity (22).
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