| 主权项 |
1. A fluid cartridge, comprising
an inner volume for holding a fluid, the inner volume defined by inner walls, a pressure bag in the inner volume for containing a pressure fluid, the pressure bag comprising at least two films, the at least two films being staked around a circumferential edge to form a pocket between the at least two films, and a channel arranged in an inner wall of the cartridge, comprising a channel mouth for transporting pressure fluid between the pressure bag and an exterior of the fluid cartridge, wherein the pressure bag is attached to the inner wall around the channel mouth, the pressure bag comprising an opening defined therein, wherein the pressure bag and said inner wall are directly attached along an attachment zone radially surrounding the opening, the attachment zone extending exclusively around the mouth of the channel, and not to a circumferential edge of the bag. |
