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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Bibliographische Detailangaben
Hauptverfasser:	Franke, Sven Alexander, Claire-Zimmet, Karen Lynn, Alinski, Jens, Mark, Erwin Paul, Jungnickel, Uwe, Kawerau, Jochen Erich
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE BRUSHES BRUSHWARE DENTISTRY HUMAN NECESSITIES HYGIENE MANUFACTURE OF BRUSHES MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	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. Each channel has a concave curvature formed by neighboring and converging projections. The concave curvature has a radius, and each projection is end-rounded thereby forming a curvature. The curvature has a diameter, and the ratio of the diameter of the curvature of the projection to the radius of the curvature of the channel is from about 0.2 to about 1.5.