Patents Assigned to Hurletron Altair, Inc.
  • Alternating current energized printing system utilizing a dielectric covered resilient impression roller
    Patent number: 4099462
    Abstract: A printing system where the alternating current energized semiconductive layer of the impression roller has a covering of dielectric material with a controlled thickness, and with a dielectric constant many times greater than that of the web, such that a major portion of the applied electric potential is transmitted to the web by means of a reactive current through the covering.
    Type: Grant
    Filed: October 9, 1974
    Date of Patent: July 11, 1978
    Assignee: Hurletron Altair, Inc.
    Inventors: Daniel A. Coberley, Joel F. Hutchison