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:
Jun. 02, 1992
Filed:
May. 31, 1990
Raffaele Fina, Lausanne, CH;
De la Rue Giori S.A., Lausanne, CH;
Abstract
In order to fix two plates (3, 4) onto the cylinder formed by a sleeve (1) or by a plate cylinder of the intaglio printing machine, two axial grooves (2) are formed on the cylinder such that the plane of one of the lateral faces of each groove (2) forms an angle with the axis of the cylinder. A strip (5, 6), whose face adjacent to the end of the plate is perpendicular to said plate, is welded onto the concave face of the two ends of each plate (3, 4). The edge of each plate (3, 4) projecting beyond the corresponding strip (5, 6) is then cut off such that the edge of the plate forms a continuous surface with the face of the strip, and such that the sum of the lengths of the plates equals the length of the periphery of the cylinder. The plates are then arranged on the cylinder (1) by introducing the neighboring strips (5, 6) into a groove (2) and the free space in the groove is completed by a wedge-shaped strip (7) in order to tension the plates and obtain an edge-to-edge join.