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This has got me beaten !!! Can you help please ?

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This has got me beaten !!! Can you help please ? SteveC 04-17-2007
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Posted by SteveC on April 17, 2007, 6:05 pm
I've got an old well in one of the rooms in our house. It's covered by
a heavy disc of glass (approx 50cm/20ins. diameter). The disc is
actually made from 2 discs laminated together. One of the glass discs
is about 30mm/1.25 ins thick the other about 12mm/0.5ins thick. The
middle of the sandwich is a 2mm layer of plastic (with glue on both
sides).

Unfortunately, over time the inner plastic layer has become discolour
and mottled. So I want to separate the 2 discs and remove this layer.
(I know this will weaken it but I think there will still be plenty of
strength, when I rejoin the discs).

Is it possible to get the glass discs apart? I've tried various
solvents, including meths and white spirit (UK names). I've tried
tapping in wooden wedges. I've tried warming the glass. But I'm
stuck. Nothing seems to have much impact.

Can you offer any advice ?

Thanks.
Steve.


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Posted by Michael Bulatovich on April 17, 2007, 6:15 pm

> I've got an old well in one of the rooms in our house. It's covered by
> a heavy disc of glass (approx 50cm/20ins. diameter). The disc is
> actually made from 2 discs laminated together. One of the glass discs
> is about 30mm/1.25 ins thick the other about 12mm/0.5ins thick. The
> middle of the sandwich is a 2mm layer of plastic (with glue on both
> sides).
>
> Unfortunately, over time the inner plastic layer has become discolour
> and mottled. So I want to separate the 2 discs and remove this layer.
> (I know this will weaken it but I think there will still be plenty of
> strength, when I rejoin the discs).
>
> Is it possible to get the glass discs apart? I've tried various
> solvents, including meths and white spirit (UK names). I've tried
> tapping in wooden wedges. I've tried warming the glass. But I'm
> stuck. Nothing seems to have much impact.
>
> Can you offer any advice ?

Picture?



Posted by DanG on April 17, 2007, 6:37 pm
Is this the type of thing that is absolutely irreplaceable?
Proceed at your own risk!!

Laminated glass, highly similar, is cut, snapped, and then you
pour lighter fluid in the crack and light it to complete the cut.

I would think lacquer thinner and a heat gun (wife's hair
dryer????) would have the potential to work.

One man's idea, perhaps others will have more.

--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net



> I've got an old well in one of the rooms in our house. It's
> covered by
> a heavy disc of glass (approx 50cm/20ins. diameter). The disc is
> actually made from 2 discs laminated together. One of the glass
> discs
> is about 30mm/1.25 ins thick the other about 12mm/0.5ins thick.
> The
> middle of the sandwich is a 2mm layer of plastic (with glue on
> both
> sides).
>
> Unfortunately, over time the inner plastic layer has become
> discolour
> and mottled. So I want to separate the 2 discs and remove this
> layer.
> (I know this will weaken it but I think there will still be
> plenty of
> strength, when I rejoin the discs).
>
> Is it possible to get the glass discs apart? I've tried various
> solvents, including meths and white spirit (UK names). I've
> tried
> tapping in wooden wedges. I've tried warming the glass. But I'm
> stuck. Nothing seems to have much impact.
>
> Can you offer any advice ?
>
> Thanks.
> Steve.
>



Posted by Art on April 17, 2007, 8:17 pm
SteveC wrote:
> I've got an old well in one of the rooms in our house. It's covered by
> a heavy disc of glass (approx 50cm/20ins. diameter). The disc is
> actually made from 2 discs laminated together. One of the glass discs
> is about 30mm/1.25 ins thick the other about 12mm/0.5ins thick. The
> middle of the sandwich is a 2mm layer of plastic (with glue on both
> sides).
>
> Unfortunately, over time the inner plastic layer has become discolour
> and mottled. So I want to separate the 2 discs and remove this layer.
> (I know this will weaken it but I think there will still be plenty of
> strength, when I rejoin the discs).
>
> Is it possible to get the glass discs apart? I've tried various
> solvents, including meths and white spirit (UK names). I've tried
> tapping in wooden wedges. I've tried warming the glass. But I'm
> stuck. Nothing seems to have much impact.
>
> Can you offer any advice ?
>
> Thanks.
> Steve.
>

Just a thought here - Put it in the oven on very low heat, maybe 150~190
for an hour or so. Then turn the heat up to about 225~250 for another
hour. Then try to separate again if you can without toasting your
fingers. Good luck.

I suspect the plastic is there to hold everything together if it breaks.

--
Art

Posted by Steve Barker on April 17, 2007, 10:10 pm
Not helping your problem, but, You've got a WELL, as in water well, IN the
house?

--
Steve Barker




> I've got an old well in one of the rooms in our house. It's covered by
> a heavy disc of glass (approx 50cm/20ins. diameter). The disc is
> actually made from 2 discs laminated together. One of the glass discs
> is about 30mm/1.25 ins thick the other about 12mm/0.5ins thick. The
> middle of the sandwich is a 2mm layer of plastic (with glue on both
> sides).
>
> Unfortunately, over time the inner plastic layer has become discolour
> and mottled. So I want to separate the 2 discs and remove this layer.
> (I know this will weaken it but I think there will still be plenty of
> strength, when I rejoin the discs).
>
> Is it possible to get the glass discs apart? I've tried various
> solvents, including meths and white spirit (UK names). I've tried
> tapping in wooden wedges. I've tried warming the glass. But I'm
> stuck. Nothing seems to have much impact.
>
> Can you offer any advice ?
>
> Thanks.
> Steve.
>



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