Patents Assigned to Guard Associates, Inc.
  • Self-sealing valve for inflated bodies
    Patent number: 4842007
    Abstract: A valve for an inflatable body has the inside of a valve member within the body having opposed wall portions normally superposed on one another and movable upon forcible separation. The inside of the opposed wall portions are coated with a viscid, non-hardening material preferably a polyglycol which minimizes leakage of helium and a like gas through the valve when the body is inflated.
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: June 27, 1989
    Assignee: Guard Associates, Inc.
    Inventor: Richard J. Kurtz