CLOSING DEVICE AND SYNTHETIC RESIN CAP
Document Type and Number:
Japanese Patent JP3558732
PURPOSE: To provide a closing device capable of reducing a bridge cutting angle when a synthetic resin cap is attached to a container and capable of developing good tamper evidence properties and not generating the cutting of a bridge at the time of the closing of a plug.
CONSTITUTION: A plurality of engaging projections 60 are provided on the inner wall surface of a TE ring part 58 along the peripheral direction of the ring part so as to be spaced apart from each other and a synthetic resin cap 50 is provided with a slow movement preventing means 64 consisting of the delay preventing projection 62 formed so as to downwardly protrude from the lower end of a main part 57 and having an inclined surface gradually reduced in protruding height in a plug opening direction and the engaging part 63 provided in the upper end part of the TE ring part. A closing device consists of the cap and a container wherein one engaging pawl 74 is provided on the lower part of an expanded stepped part 72 or a plurality of the pawls 74 are arranged thereon along the peripheral direction thereof in a spaced apart state.
May 28, 2004
April 10, 1995
B65D41/34; B65D49/12; B65D41/34; B65D49/00; (IPC1-7): B65D41/34; B65D49/12