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:
Jan. 22, 2019
Filed:
Mar. 15, 2017
Seiko Epson Corporation, Tokyo, JP;
Hidenao Suzuki, Matsumoto, JP;
Naomi Kimura, Okaya, JP;
Shoma Kudo, Shiojiri, JP;
Soshi Okawa, Shiojiri, JP;
Koji Kawai, London, GB;
Ekie Purnomo, Banten, ID;
Muhamad Gigih Agung Pratomo, Jawa barat, ID;
Muhamad Auf, Jawa barat, ID;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A tank comprises a container body configured to contain an ink and an ink fill port configured to accept the ink to be injected into the container body. A cap is provided to close the ink fill port when the cap is attached to the tank. The cap comprises a covering portion configured to cover the ink fill port; a seal portion protruded from the covering portion to be inserted into the ink fill port and configured to close the ink fill port when the seal portion is inserted in the ink fill port; and a skirt portion protruded from the covering portion in a direction of protrusion of the seal portion from the covering portion and located away from the seal portion when the covering portion is viewed from a seal portion side. The skirt portion is protruded more than the seal portion.