forming a large diameter tube - rec.crafts.glass

Message from discussion forming a large diameter tube

charlie

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More options 8 June, 18:19

Newsgroups: rec.crafts.glass

From: "charlie" <chania...@nospam.yahoo.com>

Date: Mon, 8 Jun 2009 10:19:19 -0700

Local: Mon 8 June 2009 18:19

Subject: Re: forming a large diameter tube

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"Permafacture" <permafact...@gmail.com> wrote in message

news:89597fca-9992-45cb-8b50-8216884c826f@f19g2000yqh.googlegroups.com...

>I was thinking about how to slump a large diameter tube from a flat
> plane of glass. I have little experience with glass working and dont
> know to what degree this is workable...

> You'd take a piece of float glass, from like a window and slump it
> over a ceramic tube you made/found as a form. Put it in the kiln and
> let it soften and after its really gooy pull it out for a second and
> use poles to roll the hanging edges together. The maybe flip it so
> the seam is on top and put it back in the kiln.

> ?

> Is this at all how you would form a large diameter tube from found
> resources?
> What size kiln do glass workers usually have; what is the widest sheet
> i might be able to work?
> can it be anealed in the same kiln it was slumped in?

> thanks!

kiln workers wouldn't do this. tubes are blown out in a glory hole. you can
take a flat piece, heat it in a glory hole, and use the technique called
'roll-up' to make it into a tube, but again, that would require blowing
experience.

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