Patent · US Active

Hole perforation plate for manufacturing of a toothbrush head and part thereof

US11617432B2 · kind B2 · utility

0Cited by

27References

24Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Jochen Ganninger · Eschborn, DE
Holger Schulz · Frankfurt, DE
Niclas Altmann · Oberstdorf, DE

Key dates

Filing date	Jun 10, 2020
Grant date	Apr 4, 2023
Priority date	—
Expiry date	Jun 28, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA46B2200/1066
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A hole perforation plate (60) has a front surface (61), a back surface (62), a thickness (D) therebetween, and a plurality of holes (70), grouped into more than one arrangement (65) of holes (70), wherein the more than one arrangement (65) of holes (70) can be identical or different compared to one another regarding the number of the holes (70), the shape of the holes (70), the size of the holes (70), the distance between the holes (70), the arrangement of the holes (70), and a combination thereof, and wherein the front surface (61) is uneven in the area of the arrangement (65) of the holes (70).

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