Patent · US Expired

Process for making toothbrushes

US7744360B2 · kind B2 · utility

6Cited by
12References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2004
Grant dateJun 29, 2010
Priority date
Expiry dateSep 24, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S425/805
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A process for making a toothbrush head comprising widthways adjacent sections, the process comprising the stages of first making the head in an injection moulding process with the sections relatively spaced apart from each other in a widthways direction, then secondly moving the sections of the so formed head relatively spaced closer to each other in a widthways direction. An apparatus for performing the process is also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.