dandy roll वाक्य

उदाहरण वाक्य

1. In the case of the Dandy Roll, the watermark is pressed into the wet pulp.
2. A rare flaw in paper is when the watermark bit has been improperly repaired on the Dandy roll.
3. A watermark is made by impressing a water coated metal stamp or dandy roll onto the paper during manufacturing.
4. "' dandy roll "': a mesh covered hollow roll that rides on top of the Fourdrinier.
5. The " dandy roll " is a light roller covered by material similar to window screen that is embossed with a pattern.
6. The papermaker closely adjusts the pressure the Dandy Roll exerts on the paper to ensure a proper impression of the watermark design into the paper.
7. The paper, shortly after being drawn from the vat, is usually pressed with a Dandy roll as the mechanism to imprint a watermark onto the paper.
8. A defect was created when the Dandy roll was repaired and instead of a thistle bit, a rose bit was added creating the " three roses and a shamrock " flaw.
9. "' Watermarks "'are created in the paper by special pieces of bent wire or " bits ", either attached to the mould or attached to the Dandy roll of machine-made paper.
10. The Tudor crown watermark was replaced because the dandy roll was worn, and the St . Edward's Crown watermark was replaced because of the introduction of Scottish regional issues and perceived sensitivities as Elizabeth is the first Elizabeth to rule Scotland not the second.