Abstract: An inspection unit for cans (11), in particular for metal cans used in metered dose inhalers or for the manufacture of batteries, comprising a visual inspection unit (9) comprising camera units (20), a conveying unit (8), wherein images of the individual cans are captureable by different camera units from different viewing angles, wherein the camera units each capture a plurality of cans simultaneously in an image comprising a plurality of image portions (24) including images of an outer surface portion of each of said plurality of cans from a different viewing angle, the image portions including images of outer side surface portions (22) and the outer bottom surface portion (19) of each can, the sum of the images of the outer side surface portions covering the entire outer side surface of the can; and a processing unit to process the captured images portions and to determine an inspection result.

Abstract: An inspection unit for cans (11), in particular for metal cans used in metered dose inhalers or for the manufacture of batteries, comprising a visual inspection unit (9) comprising camera units (20), a conveying unit (8), wherein images of the individual cans are captureable by different camera units from different viewing angles, wherein the camera units each capture a plurality of cans simultaneously in an image comprising a plurality of image portions (24) including images of an outer surface portion of each of said plurality of cans from a different viewing angle, the image portions including images of outer side surface portions (22) and the outer bottom surface portion (19) of each can, the sum of the images of the outer side surface portions covering the entire outer side surface of the can; and a processing unit to process the captured images portions and to determine an inspection result.