WebThis problem is commonly seen in traditional watermarks, but much more common in a dandy roll. That’s the reason why the quality of dandy roll watermarks depends on … WebThe dandy roll is a light, open-structured unit covered with wire cloth and placed on the wire between suction boxes, resting lightly upon the wire and the surface of the sheet. Its function is to flatten the top surface of the sheet and improve the finish. ... Paper watermarks have served to identify the makers of fine papers since the early ...

Dandy Rolls India PVT LTD :: Watermarks & Shadow …

http://www.splicedetector.com/splicedetector_products/m1109_dandy_roll_control_technology.html WebPart of a dandy roll. ,Watermarks were first used in late thirteenth century Italy as a means of identifying the manufacturer or client with the product, and are still widely used today with the added function of being a security measure.,With the mechanisation of papermaking in the late eighteenth century, the means by which the watermark was applied had to be … ciclohale inhaler

Dandy rolls Definition & Meaning - Merriam-Webster

WebJul 1, 2004 · This dandy roll looks like an oversized printer's roller covered with a patterned wire mesh. The roll rearranges the paper fibers when it presses against the wet pulp, creating the watermark. WebWatermarks are impressions left on the running sheet of wet paper due to displacement of fibres by the electrotypes or embossed logos fixed on the dandy roll. Dandy Rolls India … WebContext in source publication. ... process of embedding a watermark in a document can be accomplished in two ways: (a) via the dandy roll process, or (b) via the cylinder mold … dgully