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Showing results for tags 'o-rings'.
I had cleaned my TWSBI mini but when the water was clear after a few flushings, I still saw some black specs and threads hanging from the piston. So I disassembled it completely and made sure everything was out. The piston looked good, perfect. On the next water flushing after assembling there was still some of this debris. I removed the nib and the section and looked into the empty barrel from the side of the nib and found this. The small o-ring is dissolving, kaput. The ink was Black Swan in Australian Roses. Since the nib is EF I guess I think it was too long on the barrel? Was it another of the previous inks that did it? I will never know, but the area where it is right now makes it impossible to be replaced by me. I suppose I can send it back to have this o-ring replaced... Just wanted to know who else has exhibited this kind of defect. I will get better photos, but surely, I think I have to return to TWSBI.
Hello all, I have a TWSBI Mini with a Medium nib and, some time ago, lost the o-ring on the piston knob that prevents over-tightening of the cap upon posting. Does anybody know where I can buy a replacement o-ring, or am I just SOL? On the attached image, I marked where the o-ring is normally located in red. - J
I filled the barrels of two Pilot Preppies identically - made sure to seal with silicone and o-rings, tightly sealed. The other day, I opened my fine point (the black one in the pix) and a big blob of ink plopped onto the paper. I inspected the pen and saw that the feed was flooded with ink. But not the feed of the other one. Does anyone have an explanation for this? Apart from the blob mishap nothing is amiss and even with the flooded feed the pen writes fine. I'm just curious. I've learned from this why some people don't like filling the barrel directly. From now on, I'm refilling cartridges. They are just Preppies but I don't like this.
I've been reluctant to make an eyedropper pen so far because of the potential for leaks at the section/barrel threads. Looking at the pen I got with a bottle of Noodler's ink, there's an o-ring that helps seal the joint -- but the only rings with about 8 to 9mm diameter that I've been able to find are much too thick for the purpose. Do you think an o-ring is unnecessary? Do you have a source for o-rings suitable for this application? Thanks!