Filling nozzle
AssigneeChugai Seiyaku Kabushiki Kaisha
InventorShaw NISHIZAWA
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Abstract
The present invention provides a filling nozzle obtained by using a resin selected from a cycloolefin polymer and a cycloolefin copolymer, or a filling nozzle including a tubular passage for supplying a pharmaceutical solution, and a filling port disposed at a lower end of the tubular passage, in which the tubular passage and the filling port have a circular peripheral cross-section, and an inner diameter of the passage of the filling port is larger than an inner diameter of the tubular passage disposed on an upstream side.
Claims12
A filling nozzle, comprising a nozzle body having a tubular passage for supplying a pharmaceutical solution, and a filling port having a passage formed continuously to a lower end of the tubular passage, for discharging the pharmaceutical solution from a tip of the filling port,
- wherein the tubular passage of the nozzle body and the passage of the filling port have a circular peripheral cross-section, and an inner diameter of the passage of the filling port is larger than an inner diameter of the tubular passage disposed on an upstream side, and
- the filling nozzle is formed by using a material having a water contact angle of 50 to 120 degrees.
A filling nozzle, comprising a nozzle body having a tubular passage for supplying a pharmaceutical solution, and a filling port formed at a lower end of the tubular passage, for discharging the pharmaceutical solution from the filling port,
- wherein the filling nozzle is formed by using, as a material, a resin selected from a cycloolefin polymer and a cycloolefin copolymer.
Dependencies are inferred from the claim text.