Method for detecting defects in a plastic fuel tank by radiography

• Main Authors: MAHAJAN, AJAY PAUL, BALKOM, JOHN
• Format: Patent
• Language: English; French; German
• Published: 29.07.2009
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PERFORMING OPERATIONS; PHYSICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TESTING; TRANSPORTING; VEHICLES IN GENERAL; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Method for detecting defects in a plastic vehicle tank equipped with internal accessories located inside the tank. The method comprises at least the following steps: a) providing the tank equipped with said internal accessories; b) making a digitized X-ray image of said tank; c) providing a reference image of said tank; d) comparing the digitized X-ray image and the reference image by means of a computer vision software; e) deciding on the presence of defects when differences exist between the digitized X-ray image and the reference image.