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  • tonycheerup

    Member • Dec 19, 2008

    helloooo... no one ther to help me sort it out.....
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  • Raghavendra.RSP

    Member • Dec 27, 2008

    i am sorry. i didnt have answer for your question. i have the same doubt. if u traced out it, inform it to me. pleeeese
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  • gohm

    Member • Dec 29, 2008

    Are you refering to the roller bearing or the technology that enables the ball point pen to work? The roller bearing is a sphere that sits in a cone allowing smooth movement and a uniform means of distributing the ink within the pen.
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  • slugger

    Member • Dec 29, 2008

    Older metallic ball tips were machined by grinding them into a sphere

    Powder Metallurgy process is employed to manufacture the current cemented carbide ballpoint tips

    for more info google
    <a href="https://www.google.com/search?hl=en&client=opera&rls=en&hs=ggr&q=%22ballpoint+pen%22+%2Bgrinding+%2Btip&btnG=Search" target="_blank" rel="nofollow noopener noreferrer">"ballpoint pen" +grinding +tip - Google Search</a>
    &
    <a href="https://www.google.com/search?hl=en&client=opera&rls=en&hs=kwW&q=%22ballpoint+pen%22+%2B%22powder+metallurgy%22&start=10&sa=N" target="_blank" rel="nofollow noopener noreferrer">"ballpoint pen" +"powder metallurgy" - Google Search</a>
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  • laby

    Member • Dec 29, 2008

    nice question..... pls inform me the ans when u recieve it.......
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