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:
Dec. 20, 1988
Filed:
Sep. 01, 1987
Applicant:
Inventors:
Hiroshi Kanno, Shiroishi, JP;
Toshio Endo, Shiroishi, JP;
Keiichi Miyakawa, Miyagi, JP;
Masao Takano, Miyagi, JP;
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41F / ; B41F / ; B41L / ;
U.S. Cl.
CPC ...
101118 ; 101129 ; 101233 ;
Abstract
A speed control method for printing press wherein a predetermined reference value of rotation speed of a plate cylinder is set in a controller, and when a rotation speed which differs from the reference value to exceed it is set in the controller, the plate cylinder is started to rotate at a speed lower than the reference value and the rotation speed of the plate cylinder is then increased stepwise at the rate of printing integer sheets of printing paper until it reaches the set rotation speed.