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Liquid charging method and apparatus

  • US 6,600,888 B2
  • Filed: 11/02/2001
  • Issued: 07/29/2003
  • Est. Priority Date: 11/02/2001
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • (a) dispensing an electrically conductive liquid into a contact member permeable to the liquid wherein the contact member is a web or an endless belt;

    (b) rubbing the contact member and a surface against each other, at a contact length greater than a tangential contact length, to release the liquid from the contact member to wet the surface with the electrically conductive liquid in a layer ranging in thickness from about 1 to about 100 micrometers; and

    (c) electrifying the liquid at any time effective for imparting an electrical charge to the surface.

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  • 8 Assignments
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