Applicator device

• Main Authors: IWADE TAKASHI, UEHARA JUNICHI
• Format: Patent
• Language: English
• Published: 22.09.2009
• Subjects: APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; ATOMISING APPARATUS; NOZZLES; PERFORMING OPERATIONS; SPRAYING APPARATUS; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING

An applicator device comprises a reservoir tank trapping embrocation, a stage holding a substrate, a ferrule having a slit-shaped opening section above the stage, a fluid transfer pump guiding the embrocation within the reservoir tank to the ferrule, a first opening and closing valve between a suction opening of the fluid transfer pump and the reservoir tank, opening when a suction operation is carried out and closing when a discharge operation is carried out, a second opening and closing valve between a discharge opening of the fluid transfer pump and the ferrule, opening when a discharge operation is carried out and closing when a suction operation is carried out, and driving means relatively moving the ferrule and/or substrate when the slit-shaped opening section and the substrate are adjacent to one another, wherein the fluid transfer pump comprises a membranous sealing member sealing a gap between a cylinder and a plunger.