Device for inspecting the inner wall of a body
Patent 5030823 Issued on July 9, 1991. Estimated Expiration Date: 
November 20, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 20, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3150266 3761186 Optical system for the detection of flaws in bottles or the like Flaw detecting apparatus Method and apparatus for inspecting articles Apparatus for detecting defects on a bottle mouth with a screw thread Patent #: 4758084 InventorAssigneeApplicationNo. 439425 filed on 11/20/1989US Classes:250/223B, Bottles356/240.1Containers or enclosures (e.g., packages, cans, etc.)ExaminersPrimary: Nelms, David C.Attorney, Agent or FirmInternational ClassG01N 009/04Foreign Application Priority Data1988-11-28 NLAbstractA device is provided for inspecting the inner surface of a hollow body, such as a metal container with a cylindrical standing wall and a bottom. Initially, the hollow body and a light source are placed at chosen positions relative to each other, such that the light source can light the inner surface approximately uniformly. A video camera for inspecting the inner surface is positioned such that the direction of lighting and the direction of inspection of each portion of the inner surface approximately coincide. | |
