The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 21, 2003

Filed:

Jul. 28, 2000
Applicant:
Inventors:

Ernst August Hahne, Allschwill, CH;

Franz Knopf, Buhl/Stadt, DE;

Thomas Ludwig, Weil am Rhien, DE;

Assignee:

Eltex-Elektrostatik GmbH, Deutschland, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41M 3/514 ;
U.S. Cl.
CPC ...
B41M 3/514 ;
Abstract

The invention relates to an electrostatic printing aid to assist with the transfer of printing ink that contains flammable solvents during printing with a high-voltage generator for generating an electrostatic high voltage and with a voltage device to transfer the high voltage onto a web to be printed that is in contact with a printing cylinder or plate, characterized in that the high-voltage generator is equipped with an output limiter and in that the voltage transfer device comprises slip rings, slip ring brushes, contact rollers or springs, and/or electrically conductive roller or ball bearings.


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