Patents Assigned to Euronica Corporation
  • Tooth-brushing machine
    Patent number: 5623746
    Abstract: Large-diameter cylindrical portion (3) is formed in water passage (2) of a water-spraying nozzle (1) in the vicinity of the tip portion of said nozzle. Piston (5) which is housed in aforementioned cylindrical portion (3) is driven in a reciprocating manner, so that the tip portion of bristle bundle (4) which is implanted in the front surface of aforementioned piston (5) is caused to move in and out via water-spraying opening (6) located at the tip of aforementioned nozzle (1).
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: April 29, 1997
    Assignee: Euronica Corporation
    Inventor: Sugimoto Ichiro