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.
Patent No.:
Date of Patent:
Oct. 12, 1999
Filed:
Jan. 22, 1998
Applicant:
Inventors:
Joseph A LaRose, Ravenna, OH (US);
Allen Steven Pucciani, Mentor, OH (US);
Assignee:
Avery Dennison Corporation, Pasadena, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
204164 ; 226 94 ;
Abstract
A method and apparatus for applying a uniform electrostatic force to a web moving between a pair of electrodes to create an electron wind that urges the web toward one of the electrodes controls the current forming the electron wind to maintain the current and the wind force substantially constant even though impedance may vary. The method may be used to provide a hard nip, to adjust tension, to spread and/or to smooth a coating, to remove curl, and to cure a coating.