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:
Aug. 25, 2026
Filed:
Jun. 24, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A cartridge including a box unit to store a liquid, a print element board for ejecting the liquid from an array of ejection ports, a channel forming unit having a channel to supply the liquid from the box unit to the print element board, the channel forming unit having a first surface to support the print element board and a second surface closer to the box unit than is the first surface, and a joint unit formed of a first resin filled in a space between the box unit and the channel forming unit and that joins the box unit and the channel forming unit together. The first resin is injected from a gate section in the channel forming unit, in a space between the box unit and the channel forming unit, and a buffer section stores the first resin excessively filled in a finally-filled portion of the first resin.