[Jewelry making - Article 00066] - Re: [Orchid] Casting reheating investment molds - flask blow-out

[Kathy Johnson]

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>         tell me about the investing filters?? have had metal go down
>     the vacuum lines before, not as dramatic as yours, but still had to
>     replace the lines.  lucky it did not get to the pump.  a filter
>     sounds like a good thing. 

    The filters are part of the design of my vacuum machine, which is a
    Swest-Vac model. You can sort of see the filters on the right front
    corner of the machine in the photo from the Swest online catalog (the
    photo's rather dark). I do not know if you can add similar filters to
    other machines.
    http://catalogs.google.com/catalogs?dq=&hl=en&lr=&ie=UTF-8&issue=1367
    2&catpage=3 2&zoom=3 

--Kathy Johnson
Feathered Gems Jewelry
http://www.featheredgems.com 

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