Filament for an oral care implement and oral care implement

A filament for an oral care implement has a longitudinal axis and a substantially cross-shaped cross-sectional area extending in a plane substantially perpendicular to the longitudinal axis. The cross-shaped cross-sectional area has four projections and four channels, the projections and channels ar...

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Bibliographic Details
Main Authors Franke, Sven Alexander, Claire-Zimmet, Karen Lynn, Alinski, Jens, Mark, Erwin Paul, Jungnickel, Uwe, Kawerau, Jochen Erich
Format Patent
LanguageEnglish
Published 13.12.2018
Subjects
BRUSHWARE
HUMAN NECESSITIES
MANUFACTURE OF BRUSHES
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Summary:A filament for an oral care implement has a longitudinal axis and a substantially cross-shaped cross-sectional area extending in a plane substantially perpendicular to the longitudinal axis. The cross-shaped cross-sectional area has four projections and four channels, the projections and channels are arranged in an alternating manner. The cross-sectional area has an outer diameter, and each channel has a concave curvature formed by neighboring and converging projections. The concave curvature has a radius which is within a range from about 0.015 mm to about 0.12 mm, and the ratio of the outer diameter to the radius is within a range from about 2.5 to about 12.
Bibliography:Application Number: AU20170273722