The “CanNeed-WWT-100 Welding line outstretched tester” is used to test the flange point welding integrality of 3-pieces cans.

How to test: Place a sample can body on the corresponding plug, handle piston valve. And the cylinder drives the board to press the can body. Stop when the flange os curled about 10 mm. Then loosen the piston valve, take the can body out to check if there is any breaches. Mark down the result.