Patents Assigned to Benscher & Sons Pty. Limited
  • Inflatable bladder and valve
    Patent number: 4274633
    Abstract: The combination of an inflatable bladder and valve for inflating the bladder for use with a ball cover and selectively insertable through an opening therein wherein the dimensions of the valve are such as to substantially fill the opening in the ball cover and providing a continuous surface therefor and which valve is maintained in its position within the opening by an outwardly extending flange portion which is urged into contact with the inner surface of the cover by action of the bladder as the bladder is expanded.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: June 23, 1981
    Assignee: Benscher & Sons Pty. Limited
    Inventor: Hugo Benscher