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High performance ink container with efficient construction

  • US 6,017,118 A
  • Filed: 06/04/1997
  • Issued: 01/25/2000
  • Est. Priority Date: 04/27/1995
  • Status: Expired due to Term
First Claim
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1. An off-carriage ink container for an inkjet printing system, the printing system including a traversing carriage including at least one printhead, and an ink supply station into which the ink container is removably attached, the ink container comprising:

  • a pressure vessel having a gas inlet for receiving a pressurized source of gas and a fluid outlet for delivering pressurized ink in response to pressurization, said pressure vessel devoid of container keying physical features; and

    a first cap attached to an end of said pressure vessel, said first cap fabricated as a separate structure distinct from said pressure vessel, said first cap having a plurality of mechanical features that provide mechanical functions for said ink container, said mechanical functions including a keying function or a latching function.

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