Before thinking about a machine to do the job, how do you do it manually? If you can't figure a way to do it manually then you will never get a machine to it.
Upper left. "Start a new thread".Sorry for using this thread for something not related. But I am sick and tired of searching this homepage for a button or link with which I create a new posts. I already now how to reply to other posts. I have spent ten minutes now finding practically anything BUT that funciton.
So as I said, can you 'blow' them out, air won't scratch. The clear plastic has grooves that would be easy to grip and hold a seal against the end.