Patent · US Active

Toothbrush

US9210995B2 · kind B2 · utility

30Cited by

22References

6Claims

0Family size

Assignee

O'NANO ORAL SOLUTIONS, INC. · US

Inventors

Jun Su · San Jose, US
Jiasheng Zhu · San Jose, US

Key dates

Filing date	Sep 25, 2012
Grant date	Dec 15, 2015
Priority date	—
Expiry date	Feb 1, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/425
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A method of manufacturing a toothbrush comprises providing an integral head mold configured to simultaneously form bristles and head board in one injection molding process, heating head molding material to a predetermined temperature, filling the integral head mold with the head molding material in an injection molding machine, applying pressure to the integral head mold for a predetermined period and applying a cooling process to the integral head mold to produce a molded integral head. The molded integral head includes bristles molded on a head board.

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