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US 7,275,277 B2Granted
Flexible toothbrush head
AssigneeColgate-Palmolive Company
InventorsRobert A. Moskovich, Michael C. Rooney
Life of this patent
Estimating the term…
Abstract
A head for use with a toothbrush and method for forming the same, comprising an outer perimeter portion formed of a rigid material. The rigid material is adapted to allow the head to be sonically welded. The head also comprises a tuft field positioned within the outer perimeter portion. The tuft field is formed of a flexible elastomer. The tuft field defines one or more apertures to receive one or more bristle tufts. The head is sonically welded into place in the toothbrush.
Claims15
A head for use with a toothbrush, comprising:
- an outer perimeter portion formed of a rigid material, said rigid material being adapted to allow said head to be sonically welded;
- and
- a tuft field positioned within said outer perimeter portion and being formed of a flexible elastomer, said tuft field defining one or more apertures to receive one or more bristle tufts, said head being adapted to be sonically welded into place in a toothbrush.
A method for forming a head with a toothbrush, comprising the steps of:
- forming an outer perimeter portion of a rigid material, said rigid Material being adapted to allow said head to be sonically welded;
- and
- positioning a tuft field within said outer perimeter portion, said tuft field being formed of a flexible elastomer, said tuft field defining one or more apertures to receive one or more bristle tufts;
- placing a bristle tuft within at least one corresponding aperture in said tuft field;
- melting a portion of bristles in said bristle tuft to secure said bristle tuft in said aperture in said tuft field;
- and
- sonically welding said outer perimeter portion into place in said toothbrush.
4 more elements
Dependencies are inferred from the claim text.