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US 11,819,118 B2Granted
Method of making a unitary brush head and unitary toothbrush head
AssigneeThe Procter & Gamble Company
InventorsGerald Görich, Harald Schnizer, Nicolas Götz, Klaus Eimann
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Abstract
A toothbrush comprised at least one unitary brush head having a base and at least one filament and extending therefrom and having a free end terminating with a tip, wherein the filament has a length of from 6.0 mm to 20.0 mm between the base and the free end, and wherein the unitary brush head is made from a plastic material that has a melt flow rate of not greater than about 30 g/10 min measured in accordance with ISO 1133.
Claims7
A unitary brush head for an electric toothbrush, the unitary brush head having a base driven by a drive section of the electric toothbrush,
- wherein the base has a plurality of filaments extending therefrom and having a free end terminating with a tip,
- wherein each of the plurality of filaments has a length of from 6.0 mm to 20.0 mm between the base and the free end,
- wherein the unitary brush head is made from a plastic material that has a melt flow rate of not greater than about 30 g/10 min measured in accordance with ISO 1133,
- wherein the base has a circular or elliptical shape, and
- wherein the plurality of filaments are arranged on the base in a plurality of concentric rings.
2 more elements
Dependencies are inferred from the claim text.