US 12,280,601 B2
Ink refill container and ink refill system
Tadahiro Mizutani, Shiojiri (JP); Taku Ishizawa, Matsumoto (JP); Noriyuki Fukasawa, Shiojiri (JP); Naomi Kimura, Okaya (JP); Shoma Kudo, Shiojiri (JP); and Manabu Akahane, Tatsuno-machi (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Feb. 6, 2024, as Appl. No. 18/434,459.
Application 18/434,459 is a continuation of application No. 18/136,628, filed on Apr. 19, 2023, granted, now 11,926,162.
Application 18/136,628 is a continuation of application No. 17/946,606, filed on Sep. 16, 2022, granted, now 11,667,123, issued on Jun. 6, 2023.
Application 17/946,606 is a continuation of application No. 17/238,923, filed on Apr. 23, 2021, granted, now 11,541,662, issued on Jan. 3, 2023.
Application 17/238,923 is a continuation of application No. 16/885,044, filed on May 27, 2020, granted, now 11,007,787, issued on May 18, 2021.
Application 16/885,044 is a continuation of application No. 16/307,389, granted, now 10,752,003, issued on Aug. 25, 2020, previously published as PCT/JP2017/021276, filed on Jun. 8, 2017.
Claims priority of application No. 2016-116155 (JP), filed on Jun. 10, 2016; application No. 2016-203332 (JP), filed on Oct. 17, 2016; application No. 2016-208864 (JP), filed on Oct. 25, 2016; and application No. 2017-036333 (JP), filed on Feb. 28, 2017.
Prior Publication US 2024/0173985 A1, May 30, 2024
Int. Cl. B41J 2/175 (2006.01); B41J 29/13 (2006.01)
CPC B41J 2/17506 (2013.01) [B41J 2/17509 (2013.01); B41J 2/17523 (2013.01); B41J 2/17553 (2013.01); B41J 2/17596 (2013.01); B41J 29/13 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An ink refill container configured to refill ink into a printer that has an ink inlet in which a needle having a flow path is arranged,
the ink refill container comprising:
an ink chamber configured to contain the ink;
an ink outlet forming portion having an ink outlet in fluid communication with the ink chamber;
a positioning portion located at a leading end face of the ink outlet forming portion, the positioning portion configured to come into contact with a part of the ink inlet;
a male threaded portion located lower than the positioning portion in a state where the ink outlet faces upward; and
a cap having a female threaded portion formed in an inner circumferential face thereof,
wherein the cap is configured to cover the ink outlet and the leading end face by screwing the female threaded portion with the male threaded portion.