Regulating Or Metering Means Patents (Class 96/116)
  • Half-tone screen making by decapitation of substrate projections
    Patent number: 3982949
    Abstract: A half-tone screen comprises a transparent or opaque sheet having an uneven face with a multitude of projections thereon coated with a paint or varnish of contrasting color. By scraping, the coating material is removed and the projections decapitated to a selected degree to provide desired progressive shading effects.
    Type: Grant
    Filed: August 6, 1975
    Date of Patent: September 28, 1976
    Inventor: Edgard Reymond
  • Arcuate screen for an electrophotographic printing machine
    Patent number: 3961847
    Abstract: An electrophotographic printing machine in which an arcuate screen member has a plane of curvature substantially normal to the plane of curvature of an arcuate photoconductive member employed therein.
    Type: Grant
    Filed: March 6, 1975
    Date of Patent: June 8, 1976
    Assignee: Xerox Corporation
    Inventors: Timothy D. Turner, Dennis J. Smith
  • Process for the manufacture of mesh screen for X-ray photography sensitization
    Patent number: 3953303
    Abstract: A process for the manufacture of mesh screen for the sensitization of X-ray photography which comprises forming a heavy metal layer and a sensitive polymer layer on a support, to form a support having layers thereon, exposing said support through a negative original having mesh lines and developing, whereupon the heavy metal portions other than the mesh lines are exposed, and provided with a given thickness of a heavy metal layer.
    Type: Grant
    Filed: February 6, 1974
    Date of Patent: April 27, 1976
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hatohiko Kamada, Koichi Tashiro