Method of and apparatus for checking defectively fused ampoules
Patent 4725856 Issued on February 16, 1988. Estimated Expiration Date: 
March 12, 2006. 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.
March 12, 2006. 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 ReferencesSystem for monitoring the production of items which are initially difficult to physically inspect Defect detecting method and apparatus Ampoule inspecting method Method and apparatus for gauging containers Patent #: 4608709 InventorApplicationNo. 06/839148 filed on 03/12/1986US Classes:250/223B, Bottles356/239.4Containers (e.g., bottles)ExaminersPrimary: Nelms, David C.Assistant: Allen, Stephone B. Attorney, Agent or FirmInternational ClassG01B 11/02 (20060101)Foreign Application Priority Data1985-03-28 JPAbstractA method of checking defectively fused ampoules wherein a head portion of a fused ampoule is projected on a light receiving screen so as to focus an image of the heat portion thereon, a focused image is scanned with a plurality of scanning lines running in the diametral direction of the focused image and sequentially sweeping in the longitudinal direction thereof to produce a plurality of edge signals corresponding to the scanning lines, the number of edge segments and the inner and outer widths are measured from each of the edge signals, measured values are compared with predetermined logical references set for the number of edge segments and inner and outer widths, and the fused ampoule is judged defective when the measured values are incongruous to the logical references. | |
