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US 7,069,851 B2Granted
Gravure printing method and gravure printed item
AssigneeThink Laboratory Co., Ltd.
InventorKaku Shigeta
Life of this patent
Estimating the term…
Abstract
This invention provides a gravure printing method and a gravure printed item under application of cells of AM screen and cells of FM screen. The cells corresponding to the letters and the lettering images requiring a dark ink concentration and the like are formed by the AM screen and the cells corresponding to the photographic image and some fine lines expressed by the gradation are formed by the AM screen.
Claims2
A gravure printing method comprising
- printing a plurality of colors to be overlapped by an application of a plurality of printing rolls,
- wherein at least any one of the printing rolls comprises (a) cells corresponding to letters or lettering images requiring a dark ink concentration, and (b) cells corresponding to photographic images expressed by a gradation or some fine lines,
- wherein said cells of (a) are cells of an AM screen, the grid-shaped AM screen being gradually formed from the halftone portion, and the AM screen being completely formed at a region of a shadow portion,
- wherein said cells of (b) are cells of a FM screen ranging from a highlight portion to the shadow portion, or said portion ranging from the highlight portion to a halftone portion is the FM screen.
1 more element
A gravure printing method comprising
- printing a plurality of colors to be overlapped by an application of a plurality of printing rolls,
- wherein said plurality of printing rolls comprises (a) a printing roll for performing a printing operation requiring a dark ink concentration, and (b) a printing roll for performing a printing operation of photographic images expressed by gradation and some fine lines,
- wherein said printing roll of (a) comprises cells of an AM screen, the grid-shaped AM screen being gradually applied from the halftone portion, and the AM screen being completely applied at the region of a shadow portion,
- wherein said printing roll of (b) comprises cells of a FM screen ranging from the highlight portion to the shadow portion, or ranging from the highlight portion to a halftone portion.
1 more element
Dependencies are inferred from the claim text.