The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 1998
Filed:
Jan. 03, 1994
Michael Carlotta, Sodus, NY (US);
Steven J Dietl, Ontario, NY (US);
David P Breemes, Sr, Palmyra, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
A method an apparatus for storing and supplying liquid ink to a thermal ink-jet printer includes a printhead that has ink ejection nozzles and an ink supply housing connected to the printhead. The ink supply housing defines an ink storage chamber, and an ink flow path communicating with the printhead and ink storage chamber. An ink storage medium and a scavenger member are placed in the ink storage chamber for retaining, and controllably supplying a quantity of liquid ink from the chamber within a desirable back pressure range at the printhead. The ink storage medium is a medium density non-reticulation process produced copolymer polyurethane foam consisting essentially of a blend of polyether and polyester materials.