Patent ID: 9403369
Filing Date: 2016-08-02
CPC Classification: B41J,Y10T

Claim Text:
1. A flow channel member comprising: a first member having a first flow channel communicating with liquid supply means for supplying a liquid; a second member having a second flow channel downstream from the first flow channel, and being joined to the first member; a first joining section arranged on joining surfaces where the first member and the second member oppose each other, and enclosing openings of the first flow channel and the second flow channel; a second joining section arranged on the joining surfaces, enclosing the first joining section; and an air chamber accumulating air between the first joining section and the second joining section, wherein a communication channel allowing the air chamber to communicate outward is disposed inside at least any one of the first member and the second member, wherein the communication channel of the first member does not have a pressure adjustment section adjusting a pressure inside the air chamber, and wherein the communication channel of the first member is capable of communicating with a pressure adjustment section disposed in the liquid supply means to be attached to the first member.