×

Ink absorbing body, ink tank, ink-jet cartridge and ink-jet printing apparatus

  • US 6,234,618 B1
  • Filed: 11/01/1996
  • Issued: 05/22/2001
  • Est. Priority Date: 11/02/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. An ink absorbing body in an ink tank for use in an ink let printing apparatus, said ink absorbing body comprising fibers with capillary force between said fibers for storing ink,wherein said fibers exhibit a hydrophobic characteristic relative to the ink, and wherein on a surface of said fibers, before filling the ink into the ink tank, a nonionic surfactant is deposited within a range of 0.002 to 0.2 wt % relative to a weight of the ink, wherein the surfactant reduces influences of the ink absorbing body on characteristics of the ink retained by the ink absorbing body.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×