US 7,513,613 B2
Liquid container and liquid filling method
Taku Ishizawa, Nagano (Japan); Satoshi Shinada, Nagano (Japan); Akira Ichihashi, Nagano (Japan); and Minoru Yajima, Nagano (Japan)
Assigned to Seiko Epson Corporation, Tokyo (Japan)
Filed on Mar. 31, 2006, as Appl. No. 11/395,808.
Claims priority of application No. P2005-102874 (JP), filed on Mar. 31, 2005; and application No. P2006-035571 (JP), filed on Feb. 13, 2006.
Prior Publication US 2006/0227190 A1, Oct. 12, 2006
Int. Cl. B41J 2/175 (2006.01)
U.S. Cl. 347—86  [347/85] 17 Claims
OG exemplary drawing
 
1. A liquid container comprising:
a container body attachable to a container attachment portion of an apparatus side;
a liquid chamber, provided in the container body, for accommodating a liquid therein;
a liquid supply hole connectable to a liquid receiving portion of the apparatus side;
a liquid leading path for leading the liquid stored in the liquid chamber to the liquid supply hole;
an air open hole for introducing outside air into the liquid chamber as the liquid in the liquid chamber is consumed;
pressure regulating means, provided in a portion of the liquid leading path, for regulating a pressure of the liquid to be supplied to the liquid receiving portion through the liquid supply hole and hindering a reverse flow of the liquid from the liquid supply hole to the liquid chamber;
a first bypass path for causing first and second liquid leading passages of the liquid leading path, provided respectively before and after the pressure regulating means, to communicate with each other; and
a first bypass blocking portion capable of blocking the bypass path.