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:
Feb. 15, 2011
Filed:
Apr. 06, 2007
Esteve Comas, Sant Quirze Del Valles, ES;
Jose Gabriel Escabia, Sant Quirze Valles, ES;
Miquel Boleda, Sant Cugat, ES;
Esteve Comas, Sant Quirze Del Valles, ES;
Jose Gabriel Escabia, Sant Quirze Valles, ES;
Miquel Boleda, Sant Cugat, ES;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
An inkjet printing apparatus comprises at least one printhead which comprises at least one ink chamber and a plurality of nozzles, at least one ink container remote from the printhead, an ink delivery system comprising a source of gas under pressure operable to supply ink from said remote ink container to said ink chamber on the printhead, a priming device arranged to prime at least one printhead and comprising a connecting assembly to connect the source of gas under pressure to the printhead to be primed, and a controller to control the flow of gas through said connecting assembly to provide upon demand gas under pressure to the printhead in order to cause a flow of ink from the ink chamber through the nozzles to prime the printhead.