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Repairing A Rotring Core

rotring core repairing

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2 replies to this topic

#1 tjt7a



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Posted 01 September 2013 - 22:23

Dear Forums,


I own a Rotring Core, seen as the top-most pen in this photograph. photo-5.JPG


Unfortunately, the section is cracked! The thin plastic wall with the threads has a crack that is making its way around it, and I don't know what to do. Has anyone fixed anything like this?


Here's an image of it completely disassembled.





Edited by tjt7a, 01 September 2013 - 22:27.

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#2 thesteampunkraven


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Posted 13 March 2018 - 21:52

Number one: How did you remove the feed? I can't find a way to remove it. Number two: put some superglue on the crack (without the feed in the section) and let the superglue seep in and dry. this should form a seal and a tight bond. Also, remove the orange sliding thingy. You may have to tinker a bit with it.

Edited by thesteampunkraven, 13 March 2018 - 21:54.


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#3 Ron Z

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Posted 14 March 2018 - 13:40

No.  Not superglue.  I can't tell you how many times I've seen a pen screwed up by the use of superglue to "repair" a problem. 


A solvent containing methylene chloride will likely solvent weld the crack closed.  You need to clamp the crack closed until it hardens (at least 24 hours), and then blend/polish the repair.

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