Seiko Epson Corporation

Yasuhiko Kamijo

Satoshi Shinada

Takeo Seino

Takahiro Naka

Hisashi Koike

Koichi Toba

Tomio Yokoyama

Minoru Usui

Yasuhiro Ogura

Takayuki Aizawa

An ink cartridge comprising a container bodyhousing an ink absorbing member' so as to absorb ink, a lid member, and a spacerpressing the ink absorbing member&#x2032; between the lid memberand the ink absorbing member&#x2032;. It is possible to decrease the volume of the ink absorbing member&#x2032; without changing structure in the vicinity of an ink supply port by using the same shape of a container bodyand a lid member

Ink cartridge for use in an ink jet recording apparatus

An ink cartridge containing a container bodyhousing an ink absorbing member' so as to absorb ink, a lid memberand a spacerpressing the ink absorbing member&#x2032; between the lid memberand ink absorbing member&#x2032;. It is possible to decrease the volume of the ink absorbing member&#x2032; without changing structure in the vicinity of an ink supply port by using the same shape of a container bodyand a lid member

An ink supply port is sealed with a seal material made up of two layers of at least a physical protective layer and an airtight hold layer and formed with slits in the physical protective layer. When ink cartridge is mounted, a tip of an ink introduction member breaks the seal material sealing the ink supply port along the slits made in the seal member, and air is released to the atmosphere without raising pressure of a space of packing. Then, the ink introduction member penetrates the packing.

Ink cartridge, ink jet recorder, and method of mounting ink cartridge

Growing community of inventors

Nagano-ken, Japan

Yasuhiko Kamijo