Patent ID: 6910759
Filing Date: 2005-06-28
Classification: B41J

Abstract:
1. A liquid discharge head cartridge comprising: a recording element unit including a plate member provided with liquid supply paths for supplying liquid to a recording element base plate for performing recording operation by discharging liquid; a liquid supply unit portion provided with communication passage for conducting liquid from the liquid supply source for supplying liquid to send out said liquid through said communication passage, and an elastic sealing member arranged between one end portion of the liquid supply path of the plate member of said recording element unit and the end portion facing one end portion of said liquid supply path on the communication passage of said liquid supply unit portion, and provided with liquid flow paths communicating with said liquid supply paths and said communication passage to seal between one end portion of liquid supply paths of said recording element unit and the communication passage of said liquid supply unit portion, wherein said liquid supply unit portion and said recording element unit are adhesively bonded with each other for coupling on the bonding face portions other than the locations having said elastic sealing member arranged in compression.