Patent ID: 7216782
Filing Date: 2007-05-15
Classification: G02F

Abstract:
1. A dispenser for discharging a liquid material, comprising: a syringe having a nozzle at one end thereof; a plunger engaged in the syringe from the other end of the syringe; a pipe connected to a portion of the syringe between the one end and the other end of the syringe; a liquid material tank connected to the other end of the pipe, the liquid material tank being arranged so that a level of a liquid material in the liquid material tank is higher than the syringe; and a device for applying pressure to the liquid material in the liquid material tank, wherein the device for applying pressure to the liquid material in the liquid material tank comprises a device for supplying gas above a level of the liquid material in the liquid material tank, and wherein the liquid material tank has a leak hole at a position higher than the level of the liquid material.