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Brush head for a toothbrush and method for producing the brush head

  • US 8,621,699 B2
  • Filed: 11/30/2012
  • Issued: 01/07/2014
  • Est. Priority Date: 04/22/2003
  • Status: Expired due to Term
First Claim
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1. An electric toothbrush comprising a brush head moving in two directions S1, S2 transversely to its longitudinal direction L, with a bristle carrier, wherein the bristle carrier has a mixed filament arrangement containing:

  • pointed filaments with tapered tips arranged in clusters containing a plurality of pointed filaments only,conventional filaments with a substantially constant diameter and rounded-off tips arranged in clusters containing a plurality of conventional filaments only andwherein the pointed filaments are arranged on the bristle carrier in such a way that, during the operation of the electric toothbrush, their tips cover at most a predetermined maximum path of 3 mm.

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