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Search For Special Converters For Penton Pens


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#1 mke

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Posted 22 April 2017 - 13:22

I have a bit of trouble with the converters of my transparent penton pens. It seems that they let air in. Problem is the backpart of the converter which can be taken off easily - too easily. (red arrow)

They seem to be normal "Jinhao converters" plus a ring.

Do you have any address where I could buy these converters? Or a name that I could search for it.

 

In the photo, the upper converter is the normal "Jinhao converter"; the lower one is the "Penton pen converter".

 

Thank you

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#2 Mech-for-i

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Posted 23 April 2017 - 17:25

OK AFAIK, the back end of the piston is simply friction fitted and also its not mean to be airtight eithe. In fact the air can go in through the screw part of the piston anyway, and are supposed to be so, if not how can the piston freely move up and down. The sealing part should be at the end of the piston where it meets the ink.

 

So let me phrase this question, what's really the issue here. IS the converter refusing to let ink in or is it the fit is so loose that it simply fail to keep the piston screw mechanism staying put. If its the former, its probably having some problem more up front, not there at the back end. if its the latter then you may be able to simply cure it by using some thick silicone paste on the mating surface or simply shellac / glue / resin.

 

Anyway, without any specifics its hard to tell whats the sizing of the converter. Even Jinhao use different sized converter. Take a look at the throat end of the converter. if its significantly wider than the Jinhao you are likely looking for a 3.2mm inner Diameter converter ( Parker/Aurora standard ). if its similar then you've got to be careful. As there are multiple specification of converter that look basically identical. Hero's standard ( mostly used by other Chinese Manufacturers ) call for an inner dia. of 2.6mm , Wing Sung's old standard call for 2.5mm , International standard is more like 2.4mm ( that's why the old Wing Sung pen could use an international converter but not the other way round ). On rare occasions you will encounter even slimmer throat of 2.0, 2.2, and 2.3mm converter for some specific models but I do not think they apply.

 

If you can inform us of the specific pen model we might be able to narrow it down further, in the mean time, and decent Chinese pen retailer/dealer likely will be able to furnish you with a Jinhao or Hero converter



#3 frankb3

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Posted 24 April 2017 - 02:55

The Jinhao converters don't fit?  I'd try sealing up the converter joints with silicone grease.



#4 mke

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Posted 24 April 2017 - 22:05

Thank you. With this information, I will have a closer look next weekend. I will keep you updated if I can solve the problem.



#5 mke

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Posted 25 April 2017 - 12:48

> you are likely looking for a 3.2mm inner Diameter converter ( Parker/Aurora standard )

 

Correct !!! I just remembered that I had a spare Parker converter - and it fits. Now I only need to find these in Japan. Amazon JP wants more than 40 USD for it. For this price, I could buy a fake Parker Sonnet which usually includes a converter.

 

Thank you, Mech-for-i, for your explanation.



#6 Mech-for-i

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Posted 25 April 2017 - 13:51

40 US$ for a converter .. OK I think I am going to look elsewhere ... alright ..... :bawl:



#7 mke

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Posted 07 May 2017 - 05:00

I just saw while cleaning my pens for storage that this converter is often used by Hero pens.



#8 bob_hayden

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Posted 22 November 2017 - 21:20

Lamy cartridges also have a larger feed diameter and so do most of the Chinese Safari clones (not the Jinhao) and all come with a converter and are <$2 on eBay in the US.  I do have pens that work with Lamy, Parker, and Hero 359 cartridges but others that work with only 2, 1, or 0 of those.  Some leak, some do not have room in the barrel for one or more of the options.  It may be trial and error to find out what works in your pen, but you could buy about 25 different  Chinese pens with converters to try for $40;-)








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