Patent · US Expired

Method of manufacturing of brushes, in particular, tooth brushes

US5458400A · kind A · utility

25Cited by
5References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 6, 1994
Grant dateOct 17, 1995
Priority date
Expiry dateApr 6, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/425
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The method of manufacturing brushes, in particular, tooth brushes, includes injection molding of the brush body, together with the brush head having a plurality of openings for receiving bristle bundles and a recess defining a back surface of the brush head, inserting into the opening finished bristle bundles and fusing the ends of the bristle bundles projecting from the back surface of the brush head, and filling thereafter the brush head recess with a plastic material.

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