Metering roller

A metering roller for filling a target vessel with a portion of a powder product to be metered, the metering roller comprising:

• a roller jacket having an inner side and an outer side;
• a filter element;
• a filter strip;
• a seal;
• a clamping core;
• said roller jacket defining at least one metering opening completely penetrating said roller jacket from said outer side to said inner side;
• said at least one metering opening being delimited inside via said filter element;
• said filter element being pressed by said clamping core via said filter strip against said inner side of said roller jacket;
• said seal being arranged between said filter element and said filter strip;
• said at least one metering opening being exposed to a negative pressure through said filter element via at least one pressure channel in said filter strip;
• said seal sealing a connection of said at least one pressure channel to said metering opening;
• and,
• said seal being an elastomer cured onto said filter strip.