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:
Jan. 12, 1982
Filed:
May. 25, 1979
Thomas E Marion, Baltimore, MD (US);
Maryland Cup Corporation, Owings Mills, MD (US);
Abstract
An improved flexographic type printing unit is provided in which only an ink transfer cylinder, plate cylinder and impression cylinder are needed with the transfer cylinder immersed in an ink fountain and cooperating with an adjustable doctor blade. Bearing traction roll drives and spacing means are utilized and the impression and transfer cylinders are mounted on swinging arms positioned by hydraulic or pneumatic cylinders to obviate the need for machined slides and surfaces and multiple adjustments at opposite ends of these cylinders. An eccentric structure in a freewheeling impression cylinder provides an accurate web thickness adjustment for the unit. A second embodiment of the flexographic printing unit includes a planetary gear drive for changing the registration of the print-to-blank or print-to-print of the plate cylinder as it engages a web.