Patent ID: 7246726

Claim:
A liquid material delivering method, comprising: providing a liquid material delivering device comprising: a liquid material storage section, a nozzle, a first liquid feed passageway for communication between said liquid material storage section and said nozzle, a plunger having a seal portion sliding while closely contacting an inner wall surface of said first liquid feed passageway, wherein said seal portion has a sliding surface to divide a liquid material in said first liquid feed passageway into a nozzle-side liquid material part and a storage section-side liquid material part, a delivery valve for selectively establishing or cutting off communication between said first liquid feed passageway and said nozzle, a second liquid feed passageway for communication between the nozzle-side liquid material part and the storage section-side liquid material part, and a selector valve for selectively establishing or cutting off communication through said second liquid feed passageway; closing said delivery valve and opening said selector valve of the liquid material delivering device; supplying the liquid material to the nozzle-side liquid material part of the liquid material delivering device; opening said delivery valve and closing said selector valve of the liquid material delivering device; and advancing said plunger along the inner wall surface of said first liquid feed passageway to pressurize the liquid material in the nozzle-side liquid material part, thereby delivering the liquid material through said nozzle.