Ink cartridge having filtering means

Ink cartridge having filtering means

  • CN 1,948,014 A
  • Filed: 10/27/2006
  • Published: 04/18/2007
  • Est. Priority Date: 10/27/2006
  • Status: Active Application
First Claim
Patent Images

1. , a kind of print cartridge comprises:

  • One ink storage chamber;

    The passage of one band application valve body, it is placed in the ink storage chamber top, and the opening and closing by application valve body make ink storage chamber and external communications and disconnection;

    One filter, the bottom that it is positioned at ink storage chamber, be used for blocking-up ink under the condition of non-printing flow and the condition printed under ink flowed and filter ink;

    One ink supply port, it is hidden in print cartridge inside;

    One ink-feed channel is used to connect ink supply port and filter;

    Wherein, described ink supply port, described ink-feed channel and described filter are connected to form linker, when the negative pressure of described ink supply port internal cause consumption of ink generation reaches certain value, the force of sliding friction that the active force that produces in the filter overcomes by micropore makes ink by the ink storage chamber inflow filter, flow into the ink supply port by ink-feed channel again, thereby to recording head for ink-jet printer supply ink.

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