Patent · US Expired

Device for powdering printed sheets

US6085654A · kind A · utility

6Cited by

6References

5Claims

0Family size

Assignee

Heidelberger Druckmaschinen AG · DE

Inventors

Frank Gunschera · Osnabrück, DE
Sven Kerpe · Blankenloch, DE

Key dates

Filing date	Feb 17, 1999
Grant date	Jul 11, 2000
Priority date	—
Expiry date	Feb 17, 2019

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05B14/10
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A device for powdering printed sheets with powder applicator devices switchable back and forth between two operating states and, in a first of the operating states thereof, serving to direct to a given destination a free stream of carrier gas carrying entrained powder, includes, in each of the powder applicator devices, a disposal line formed with an orifice region for channeling therein, in the second of the operating states, a powder gas flow formed by a respective free stream, the powder gas flow being removable by the disposal line; and a sheet-processing printing press including the powdering device, as well as a sheet-processing printing press including a device for indirectly powdering sheets.

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