Rotring New Newton 2005 not actually series 600 top screw cap fell off

I just took my pen out of my pocket this morning, and the screw cap which is on the bottom of the pen just came clean off, with no way to screw it on again (it usually acts in a screwing motion, but it moves an inner tube which connects to the large plastic nib+ink+case section of the pen.

There was a slight panic, but nothing looked like it had cracked in half – it is all metal and solid. (I want to use these pens forever – and I’m guessing the first thing that will disintegrate will be the clipping action of the caps… )

It was hard to see what to do – and for the first time I saw the long silver tube which is usually on the inside of the main part of the pen, but this is how I fixed it:

  1. Remove the sections: cap, nib, metal tube, main body of pen, little screw nobule which is usually on the top.
  2. place the silver inner tube into the body, and then slip the little twist cap onto the end of it
     ~ The way it is held in place is that it is wedged into it, and then the whole mechanism rotates freely inside the body of the pen.
  3. put the body of the pen, screw-cap facing down, onto a table, then use a solid long object to apply small, steadily growing amounts of pressure onto the edge of the silver inner tube down into the screw cap – thereby wedging the two into one.
     ~ I was just a bit paranoid of damaging or warping the inner tube, so I didn’t want to just push it down by adding a lot of pressure to one point – so I was working my way around the circumference. 
     ~ When it is wedged together a small amount, you can lift the pen up, and test to see your progress by observing the gap between the screw cap, and small silver section it connects to. The two should be flush together with no gap.

Here is a video of the type of pen I am talking about:


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