| US 7,517,070 B2 | ||
| Ink tank, recording head and package including the ink tank and the recording head | ||
| Takatoshi Kitagawa, Kawasaki (Japan); Kenjiro Watanabe, Ohta-ku (Japan); and Nobuyuki Hatasa, Kawasaki (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Dec. 06, 2005, as Appl. No. 11/295,376. | ||
| Claims priority of application No. 2004-357306 (JP), filed on Dec. 09, 2004. | ||
| Prior Publication US 2006/0125889 A1, Jun. 15, 2006 | ||
| Int. Cl. B41J 2/175 (2006.01) | ||
| U.S. Cl. 347—86 | 9 Claims |
| 1. An ink tank comprising:
a container adapted to contain an ink absorber which absorbs ink;
a lid adapted to close the container;
a supply port adapted to supply ink absorbed by the ink absorber to outside;
a substrate including a contact facilitating electric connection;
a communicating port member provided at the lid, wherein the container is communicated to the atmospheric air through a communicating
port formed in the communicating port member; and
an ammonia adsorbing material disposed within the communicating port member, wherein the lid prevents the ammonia adsorbing
material from coming in contact with the ink absorber.
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