Dandy roll with a grid of diamond shapes
作者： John E. Gutzwiller , Kathy A. Merckx , Mark S. Johnston , Mark P. Kleman , Jeffrey R. Miller
DOI:
关键词: Grid 、 Diamond 、 Bearing (mechanical) 、 Computer graphics (images) 、 Engineering 、 Watermark 、 Grid pattern 、 Optics
摘要: Paper bearing a unique watermark having grid pattern of translucent lines and repeating diamond shapes at alternating intersections the produced using dandy roll in which outer comprises rectangular where alternate are provided with substantially shapes.
lens.org 参考文章(6)
James R. Waters, Dandy roll having a twill weave wiremark and related method for papermaking ,(1990)
Fearing Joseph Lea, Method of and means for forming watermarks in paper ,(1925)
Hornbostel Lloyd, Dandy roll for high speeds ,(1957)
James S. Fuller, Paper incorporating a partially embedded strip ,(1982)
Herman R Harrigan, Fourdrinier-wire screen ,(1922)