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:
Oct. 25, 2022
Filed:
Jul. 29, 2019
Domino Uk Limited, Cambridge, GB;
Richard Thomas Calhoun Bridges, Cambridge, GB;
Stuart Mark Walkington, Cambridge, GB;
Abstract
A print head () for a continuous inkjet printer has an ink drop generator (), an ink supply tube () connected to the ink drop generator (), and a solvent supply tube () connected at a first end to the ink drop generator () and for connection at a second end to a solvent reservoir. The solvent supply tube () is provided with ink flow restriction means () for restricting a flow of ink from the ink drop generator () into the solvent supply tube (). The flow restriction means () comprise an arrangement () of the solvent supply tube () such that, for a flow direction reversing portion () of the solvent supply tube () at the first end of the solvent supply tube (), a flow of solvent from the second end to the first end of the solvent supply tube () flows away from the ink drop generator (). Also a printer including such a print head and a former for use with such a print head.