Cartridge and sealing member
AssigneeSeiko Epson Corporation
InventorsIzumi Nozawa, Tadahiro Mizutani, Hiroyuki Nakamura, Atsushi Kobayashi, Ryota Takahashi
Life of this patent
Estimating the term…
Abstract
A cartridge or a sealing member is provided to reduce the likelihood that a fluid is leaked outside. The cartridge is configured to supply a fluid to a fluid ejection apparatus. The cartridge has: a fluid accommodation portion; and a fluid supply port connectable with the fluid ejection apparatus. The fluid supply port includes: a fluid exit provided to flow out the fluid to the fluid ejection apparatus; and an opening arranged to connect outside of the fluid supply port with inside of the fluid supply port. The opening is not in contact with a side face of the fluid supply port.
Claims20
A cartridge for supplying a fluid to a fluid ejection apparatus, the cartridge comprising:
- an air intake port;
- an air chamber in communication with the air intake port;
- a fluid accommodation portion in communication with the air chamber via a valve member;
- and
- a fluid supply port connectable with the fluid ejection apparatus,
- the fluid supply port comprising:
- a fluid exit in communication with the fluid accommodation portion and configured to flow out the fluid from the fluid accommodation portion to the fluid ejection apparatus;
- a circumferential wall that defines an opening of the fluid supply port and an inner space of the fluid supply port;
- and
- a connection port protruded and opened in the inner space of the fluid supply port in communication with the air chamber and configured to release the air in the inner space of the fluid supply port.
A sealing member configured to cover a fluid supply opening located at one end of a fluid supply port of a cartridge for supplying a fluid to a fluid ejection apparatus, the sealing member comprising:
- a portion to seal the fluid supply opening of the fluid supply port of the cartridge wherein the cartridge comprises:
- an air intake port;
- an air chamber in communication with the air intake port;
- a fluid accommodation portion in communication with the air chamber via a valve member;
- and
- the fluid supply port connectable with the fluid ejection apparatus,
- the fluid supply port including:
- a fluid exit in communication with the fluid accommodation portion and configured to flow out the fluid from the fluid accommodation portion to the fluid ejection apparatus;
- a circumferential wall that defines the fluid supply opening of the fluid supply port and an inner space of the fluid supply port;
- and
- a connection port protruded and opened in the inner space of the fluid supply port, in communication with the air chamber and configured to release the air in the inner space of the fluid supply port.
Dependencies are inferred from the claim text.