Reliable seal checking: gap detection on cardboard box flaps
At a company, cardboard boxes in different sizes and heights are filled with products and then transported on a conveyor belt to the dispatch department. Each box needs to be checked to ensure that it is correctly sealed. The company previously used diffuse reflection laser sensors which determined the height of both box flaps in order to check whether they had been correctly sealed.
The complete application report you will find in the following PDF file.