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. 02, 2001
Filed:
Nov. 08, 1999
Applicant:
Inventors:
Masahiro Nishihata, Ibaraki-ken, JP;
Yoshikazu Murayama, Ibaraki-ken, JP;
Yoshihiro Hayashi, Ibaraki-ken, JP;
Assignee:
Riso Kagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41L 1/306 ;
U.S. Cl.
CPC ...
B41L 1/306 ;
Abstract
A stencil printing apparatus includes a main body, a drum unit having a drum substantially in a cylindrical shape and attachable to and detachable from the main body, a drum detecting device for detecting a kind of the drum unit mounted to the main body and a control device for carrying out an auto idling operation prior to a successive perforating operation in a case when a non-operational time period of the main body exceeds a previously set time period or when the drum detecting device detects interchanging of the drum unit.