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. 01, 2025
Filed:
Jan. 26, 2022
Sicpa Holding SA, Prilly, CH;
Giovanni Morello, Baldissero Canavese, IT;
SICPA HOLDING SA, Prilly, CH;
Abstract
The present invention relates to the field of ink jet printing technology. The cartridges, whose ink reservoir is in communication with the external environment through a venting hole, are subject to ink leakage when the external pressure changes significantly with respect to the external pressure after ink filling, in particular due to possible air bubbles trapped in the in the ink reservoir. The present invention provides a cartridge lid () with an expansion space () formed between an outer lid member () and an inner lid member (). The expansion space () is in communication with external environment through the venting hole () and has an inlet () through which ink is able to flow into the expansion space (). The present invention also provides a cartridge, an ink jet print head and an ink jet printer.