IP Library › Granted Patent US 7,861,356
Granted Patent B2
US 7,861,356 · App. 11/569,789 · Granted Jan 4, 2011

Brush head for electric and/or manual toothbrushes

Assignee: Braun, GmbH
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Quick Facts
Patent No.
US 7,861,356
App. No.
11/569,789
Granted
Jan 4, 2011
Kind
B2
Abstract

A brush head of compact design, which includes a bristle carrier having secured to it bristles, and an elastic element for holding an oral, dental and/or gingival cleaning and/or care substance. The elastic element is joined to the bristle carrier by means of a support element. The bristle carrier is made of a first plastic, the support element of a second plastic, and the elastic element of a third plastic.

Claims (17)

1. A brush head for a toothbrush comprising:

a bristle carrier on which bristles are fixed;

an elastic element fixed on the bristle carrier, the elastic element being joined to the bristle carrier by a support element, wherein the bristle carrier is made of a first plastic, the support element is made of a second plastic, and the elastic element is made of a third plastic, wherein the elastic element is constructed as a container designed to hold one or more of an oral, dental or gingival cleaning or care substance, said container being open to a tooth-cleaning side, and wherein the container is provided with ribs on an inside of a wall.

2. The brush head according to claim 1 , wherein the bristle carrier is made of polyoxymethylene.

3. The brush head according to claim 1 , wherein the support element is made of polypropylene.

4. The brush head according to claim 1 , wherein the elastic element is made of a thermoplastic elastomer.

5. The brush head according to claim 4 , wherein the elastic element is joined to the support element by bonding of the materials involved.

6. The brush head according to claim 1 , wherein the support element is joined to the bristle carrier by positive engagement.

7. The brush head according to claim 6 , wherein the support element is joined to the bristle carrier by connecting fingers engaging in corresponding through-holes in the bristle carrier.

8. The brush head according to claim 1 , wherein the ribs are of different length.

9. The brush head according to claim 1 , wherein the bristle carrier includes different types of bristle tufts which differ in one or more of their number of bristles, arrangement of bristles, and geometry, and whose bristles differ in one or more of their length, diameter, hardness, and material.

10. An electric toothbrush having a brush head according to claim 1 .

11. A manual toothbrush having a brush head according to claim 1 .

12. A brush attachment for an electric and/or manual toothbrush having a brush head according to claim 1 .

13. The brush head according to claim 1 , wherein the support element is joined to the bristle carrier by a clip-in joint.

14. The brush head according to claim 1 , wherein the support element is joined to the bristle carrier by frictional engagement.

15. The brush head according to claim 1 , wherein the support element is joined to the bristle carrier by frictional and positive engagement.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 9, 2007
From: KUNATH, IVO; DRIESEN, GEORGES; FRITSCH, THOMAS; SCHWARZ-HARTMANN, ARMIN
To: BRAUN GMBH
Reel/Frame 018755/0695 →
Priority Claims (1)
DE 10 2004 026 461 · May 29, 2004 · national
Continuity (1)
Related Publication 20070256263A1 · Nov 8, 2007