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Rotogravure (or gravure for short) is a type of intaglio printing process, which involves engraving the image onto an image carrier. In gravure printing, the image is engraved onto a cylinder because, like offset printing and flexography , it uses a rotary printing press .
The rotary press itself is an evolution of the cylinder press, also patented by William Nicholson, invented by Beaucher of France in the 1780s and by Friedrich Koenig in the early 19th century. [ 1 ] [ 2 ] Rotary drum printing was invented by Josiah Warren in 1832, [ 3 ] whose design was later imitated by Richard March Hoe in 1843. [ 4 ]
Officine Meccaniche Giovanni Cerutti S.p.A. is an Italian joint-stock company headquartered in Casale Monferrato, which designs and manufactures rotogravure and flexo printing presses and related equipment for magazine and newspaper production, and for the printing and converting of packaging materials.
In intaglio printing, the lines to be printed are cut into a metal (e.g. copper) plate by means either of a cutting tool called a burin, held in the hand – in which case the process is called engraving; or through the corrosive action of acid – in which case the process is known as etching.
If several of these spot colors are used (a common practice in the packaging market), the order of printing layers rather than luminance is the decisive element: the first color to be printed is spread under the next color. The trap width is dictated by the maximum amount of misregistration of the entire workflow up to the press.
The Nidec Minster Corporation is a supplier of equipment and services for the material forming industry. Through its sister company—Midwest Manufacturing—Nidec Minster also offers contract manufacturing, including metal casting; pattern construction; welding and fabrication; precision and large-scale machining; assembly; logistics; and more.
Offset printing is a common printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket and then to the printing surface. When used in combination with the lithographic process, which is based on the repulsion of oil and water, the offset technique employs a flat (planographic) image carrier.
Other terms often used for printed engravings are copper engraving, copper-plate engraving or line engraving. Steel engraving is the same technique, on steel or steel-faced plates, and was mostly used for banknotes, illustrations for books, magazines and reproductive prints, letterheads and similar uses from about 1790 to the early 20th century, when the technique became less popular, except ...