JP2006002659A5 - - Google Patents

Claims (6)

A flexible tube;
A roller capable of revolving along a movement path that moves while crushing the tube and a rotation path that moves through a movement path that moves away from the tube;
A drive mechanism for revolving the roller;
A liquid suction port connected to one end of the tube;
A liquid outlet connected to the other end of the tube;
A tube pump that is interposed between the liquid suction port and the liquid discharge port, and has a check valve that prevents a flow of liquid from the liquid discharge port toward the liquid suction port. In claim 1,
The check valve, a tube pump, characterized by being inserted on a side of the liquid discharge port than the portion to be crushed by the rollers in the tube. The tube pump according to claim 1 or 2 ,
The tube pump which has a sensor for detecting that the said roller is located on the movement path | route which moves in the state away from the said tube. A tube pump according to any one of claims 1 to 3 ,
A liquid reservoir in which liquid is stored;
A liquid ejection apparatus comprising: a liquid suction passage that communicates the liquid reservoir and the liquid suction port. In claim 4 ,
The liquid is a drug such as an insect pheromone,
The tube and the check valve are liquid ejection devices formed of a material resistant to the drug. In claim 5 ,
The tube is made of fluorine rubber,
The check valve is a liquid discharge device formed of fluorosilicone rubber.