Brush head for a toothbrush and method for producing the brush head
AssigneeTrisa Holding AG
InventorsFranz FISCHER, Peter GROSS
Life of this patent
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Abstract
The brush head of the toothbrush has filaments that are pointed at one end and led through clearances in the bristle carrier. These filaments have a length of about 10-20 mm. The tips of the pointed filaments produce a height profile other than that of a plane and the ends of the pointed filaments that are remote from the tips are melted.
Claims30
A toothbrush comprising a brush head with a bristle carrier containing pointed filaments having pointed tips at one end opposite a second end and are arranged in clusters of bristles containing only pointed filaments;
- the second ends of the pointed filaments that are remote from the pointed tips are melted whereas the clusters with the pointed filaments have a non-round shape.
A toothbrush comprising a brush head with a bristle carrier containing pointed filaments having pointed tips at one end opposite a second end and are arranged in clusters of bristles containing only pointed filaments;
- the second ends of the pointed filaments that are remote from the pointed tips are melted whereas the diameter of the pointed filaments measured at the distance of 2 mm from the tip ranges from 30-60% of the nominal diameter.
Dependencies are inferred from the claim text.