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US 6,810,551 B1Granted
Brush, especially toothbrush
AssigneeCoronet-Werke GmbH
InventorGeorg Weihrauch
Life of this patent
Estimating the term…
Abstract
A brush comprises a bristle carrier of at least two substantially parallel layers of different plastics produced in a two-component injection molding process and bristles fastened to at least one of the layers. The brush is characterized in that at least the bristle carrier layer remote from the bristles has openings, which are circumferentially closed and filled with the plastic of the other layer.
Claims16
A brush comprising:
- a bristle stock;
- a first layer of a first plastic material, said first layer having a plurality of through holes;
- a second layer of a second plastic material differing from said first plastic material, said second layer disposed substantially between said first layer and said bristle stock, said second layer extending substantially parallel to said first layer with said second plastic material filling said through holes, wherein said first and second layers are produced by two component injection molding.
Dependencies are inferred from the claim text.