Patent ID: 9340032
Filing Date: 2016-05-17
CPC Classification: B29C,B29L,B41J,Y10T

Claim Text:
1. A liquid ejection device comprising: a head configured to eject a liquid; a liquid containing unit having a sealed housing and a flexible member provided in the sealed housing, the sealed housing including a first containing space communicating with the head and a second containing space partitioned from the first containing space by the flexible member, the first containing space containing the liquid, the volume of the first containing space decreasing along with the ejection of the liquid from the head, the second containing space containing a liquid filler; a pressure adjusting unit configured to communicate with the second containing space and adjust a pressure of the liquid filler in the second containing space so as to maintain a negative pressure with respect to the head; a communication unit configured to allow communication between the second containing space and the pressure adjusting unit; and a valve provided in the communication unit, wherein the liquid containing unit is separable from the pressure adjusting unit between the pressure adjusting unit and the valve.