Incremental printing of symbolic information – Ink jet – Combined
Reexamination Certificate
2007-07-24
2011-10-11
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Combined
C347S042000, C347S040000, C347S041000
Reexamination Certificate
active
08033624
ABSTRACT:
This invention provides a system and method for printing continuous web and feeding ink to printing pens (or cartridges) that employs an array of interleaved ink-jet pens that are arranged to receive bulk ink through a manifold. The manifold and pens are mounted on a fixed array suspended over the web feed path. The manifold includes a plurality of self-sealing quick-disconnect couplings that each serve a discrete ink-jet pen. The pens lay down ink in a registered manner across the full width of the web. The pens are organized into two parallel, multi-pen arrays that are each diagonally oriented with respect to the feed direction. The feed path allows for duplex printing with a second web-side's array located on a lower level of the device, generally beneath the first-side's array. Duplex printing is facilitated due to its inherent length of the feed path. The printed part of the web is free of contact over predetermined lengths that ensure sufficient time for the drying of ink. Each pen is interconnected with a connection to a respective manifold that maintains a vacuum so as to prevent seepage of ink from the pen nozzles. The vacuum is maintained by a draw pump, while ink is continuously provided to the manifold via a float switch in a pressure regulator. The regulator is fed by a bulk ink supply using a feed pump. A check-valve standpipe on each manifold assists in removing any trapped air from the system, thus assisting in maintaining the vacuum.
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Fiske John M.
Rozea Cadman E.
Silva Stephen E.
Wood Peter J.
Goldberg Brian
Lasermax Roll Systems, Inc.
Loginov & Associates PLLC
Loginov, Esq. William A.
Luu Matthew
LandOfFree
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