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:
Apr. 07, 2026
Filed:
Sep. 14, 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 after ink filling. The present invention provides a cartridge () comprising: a cartridge body (); a cartridge lid (); and a soft member () between the cartridge lid () and the opening () of the cartridge body (), when the cartridge lid () is mounted to the cartridge body (), the ribs () on the cartridge lid () abut against the soft member () so that a sealing contact is formed therebetween to form an expansion space () able to contain all or most of the ink displaced from the ink reservoir. The present invention also provides an ink jet print head and an ink jet printer.