Patent · US Expired

Device for powdering printed sheets with the aid of an electrostatic charge

US6648972B1 · kind B1 · utility

2Cited by

5References

16Claims

0Family size

Assignee

Weitmann & Konrad GmbH & Co. KG · DE

Inventors

Thomas Stober · Herrenberg, DE
Reiner Haas · Metzingen, DE
Gunter Hess · Meiningen, DE

Key dates

Filing date	Feb 9, 2001
Grant date	Nov 18, 2003
Priority date	—
Expiry date	Feb 9, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B7/14
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a device for powdering printed sheets, especially printed sheets made out of paper, whereby a powder coating device is arranged inside a sheet feeding device and an electrostatic charging device that is disposed outside the sheet feeding device is assigned to the sheet.

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