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:
Mar. 25, 2003
Filed:
Mar. 19, 2001
Applicant:
Inventors:
Yoshinori Kawamura, Kanagawa, JP;
Yoshihiro Koyanagi, Kanagawa, JP;
Mitsuyoshi Nishimura, Saitama, JP;
Takashi Kato, Saitama, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41F 2/700 ;
U.S. Cl.
CPC ...
B41F 2/700 ;
Abstract
In a printing plate automatic exposing device, a vacuum pump and a pressure sensor are provided in communication with a detection hole provided in a surface plate. When a photopolymer plate is set on the surface plate, a degree of vacuum of the detection hole becomes a predetermined degree of vacuum due to operation of the vacuum pump.