Brush head assembly
AssigneeKoninklijke Philips N.V.
InventorsSteven Charles Deane, Steven Ernest Franklin
Life of this patent
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Abstract
A brush head assembly (100) comprising a sandwich assembly (200) comprising a flexible matrix (30″) positioned between two layers of stiff or stiffer material (220), a plurality of bristle tufts (21), each of which comprises a plurality of bristle strands, each bristle tuft having a proximal end (23) and a free end (25), a bristle tuft retention element (250) for each bristle tuft (21), the bristle tuft retention elements (250) connecting the proximal end of the bristle tufts (21) to the sandwich assembly.
Claims14
A brush head assembly comprising:
- a sandwich assembly comprising a flexible matrix positioned between two layers of stiff or stiffer material,
- a plurality of bristle tufts, each of which comprises a plurality of bristle strands, each bristle tuft having a proximal end and a free end,
- a bristle tuft retention element for each bristle tuft, the bristle tuft retention elements connecting the proximal end of the bristle tufts to the sandwich assembly.
A method of manufacturing a brush head assembly for use with a personal care appliance, the method comprising:
- providing a plurality of bristle tufts, each of which comprising a plurality of bristle strands, each bristle tuft having a proximal end and a free end;
- providing a bristle tuft retention element for each bristle tuft;
- providing a sandwich assembly comprising a flexible matrix positioned between two layers of stiff or stiffer material;
- and
- connecting the bristle tuft retention elements to the sandwich assembly.
Dependencies are inferred from the claim text.