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Thread: Platinum ID please

  1. #21
    Senior Member FredRydr's Avatar
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    Default Re: Platinum ID please

    Quote Originally Posted by Jon Szanto View Post
    I don't know about "old style" carts, but I can tell you for certain that current, new Plat carts fit these pens perfectly. I also used to keep one of these regularly inked with Sailor Kiwa-guro ink, which is a dark black, pigmented ink, and it was a perfectly good match for this pen. I used it in an index card file I have on all my pens. Thin, dark lines. Of course, I refilled carts with a syringe.
    A bottle of Kiwaguro is in my ink box, and it doesn't get used much. I'll give it a try after I empty the cartridge of the fresh fill of Waterman blue-black.

    Jon, I understand you've run out of space in your pens card catalogue.


  2. #22
    Senior Member Jon Szanto's Avatar
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    Default Re: Platinum ID please

    Quote Originally Posted by FredRydr View Post
    Jon, I understand you've run out of space in your pens card catalogue.
    Man, that is cold.
    "When Men differ in Opinion, both Sides ought equally to have the Advantage of being heard by the Publick;
    and that when Truth and Error have fair Play, the former is always an overmatch for the latter."

    ~ Benjamin Franklin

  3. #23
    Senior Member Sailor Kenshin's Avatar
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    Default Re: Platinum ID please

    This is my broken one, with a Platinum cart for size comparison.



    The metal connector was damaged during a repair attempt, the Platinum cart fits at the nipple but is too long for the oen, and now I can't find the working pen (which was coral and silver) of the pair I had.
    My other pen is a Montblanc.

    And my other blog is a tumblr!


    Dr. Inkenstein--it was a dark and stormy write!

  4. #24
    Senior Member jar's Avatar
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    Default Re: Platinum ID please

    Quote Originally Posted by Sailor Kenshin View Post
    This is my broken one, with a Platinum cart for size comparison.



    The metal connector was damaged during a repair attempt, the Platinum cart fits at the nipple but is too long for the oen, and now I can't find the working pen (which was coral and silver) of the pair I had.
    I've long tried to track down any information about a connection between Aurora and Platinum like the connect that existed between Aurora and Parker during the immediate postwar era. The search started when I discovered that the Platinum cartridges and converters fit in the old Aurora DuoCart fountain pens and the smaller almost International Standard length DuoCart cartridges (I have some empty ones) fit in my Platinum pens.

    Modern Aurora cartridge pens (and early ST Dupont fountain pens) used the Parker standard cartridge nipple arrangement while the earliest Aurora cartridge pens use the much wider mouthed Platinum standard. The full length Platinum cartridges fit in the Aurora (older) DuoCart pens and I wondered if the DuoCart was simply a marketing gimmick or possibly a way to get around a Platinum patent.

    So far though I've had no luck but the lack of any evidence of corporate cooperation agreements tends to point towards patent infringement issues as the more likely path.

  5. #25
    Senior Member FredRydr's Avatar
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    Default Re: Platinum ID please

    The kind gentleman who gave me the pen just sent these cartridges (photo below). I've never seen such things. My first impression is the metal will damage the pen. Is what appears to be a steel ball bearing merely a thin foil layer designed to be pierced? Or am I supposed to remove the ball before placing the cartridge in the pen? Or...?

    1617919259986.jpg

  6. #26
    Senior Member Sailor Kenshin's Avatar
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    Default Re: Platinum ID please

    No, that's how the Plat carts come. If you're reluctant to ise force on the pen, I've pierced carts with a thumb tack (Gullors really need this technique.)
    My other pen is a Montblanc.

    And my other blog is a tumblr!


    Dr. Inkenstein--it was a dark and stormy write!

  7. #27
    Senior Member FredRydr's Avatar
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    Default Re: Platinum ID please

    I think I better pull the cartridge I've been refilling that's in the pen and have a close look at what presses against that steel ball.

  8. #28
    Senior Member Jon Szanto's Avatar
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    Default Re: Platinum ID please

    Yeah, Fred, Plats have those crazy balls that get punched in and become agitators to break up surface tension (?) so the ink doesn't stick to the side of the cart and keeps things mixed up. I agree: I can stand punching them into a pen and just poke it in with something else, or a really cheap Plat pen like a Preppy.
    "When Men differ in Opinion, both Sides ought equally to have the Advantage of being heard by the Publick;
    and that when Truth and Error have fair Play, the former is always an overmatch for the latter."

    ~ Benjamin Franklin

  9. #29
    Senior Member Sailor Kenshin's Avatar
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    Default Re: Platinum ID please

    If you have anything like a really small-diameter wooden dowel, that works too. We have long cotton lab-type swabs on wooden sticks. Dual use!
    My other pen is a Montblanc.

    And my other blog is a tumblr!


    Dr. Inkenstein--it was a dark and stormy write!

  10. #30
    Senior Member jar's Avatar
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    Default Re: Platinum ID please

    I've never had any issues related to the ball stopper using platinum cartridges and that's over may decades of use.

  11. #31
    Senior Member christof's Avatar
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    Default Re: Platinum ID please

    Punching the plastic of a Lamy or Parker cartridge needs much more pressure and force than pushing the ball of a Platinum cartridge, so don't worry Fred.

  12. #32
    Senior Member penwash's Avatar
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    Default Re: Platinum ID please

    Reminds me of this ...


    Credit to this site, found by googling.
    Last edited by penwash; April 8th, 2021 at 10:10 PM.
    - Will
    Unique and restored vintage pens: Redeem Pens

  13. The Following User Says Thank You to penwash For This Useful Post:

    Sailor Kenshin (April 9th, 2021)

  14. #33
    Senior Member Sailor Kenshin's Avatar
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    Default Re: Platinum ID please

    I have one of those.....
    My other pen is a Montblanc.

    And my other blog is a tumblr!


    Dr. Inkenstein--it was a dark and stormy write!

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