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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Cleaning the inside of a CRT?
Hello all!
At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) It occurs to me that it might be amusing to make a beer glass out of this thing. However, I don't think that CRT phosphors and the aquadag on the inside are part of the four basic food groups. I've thought of three ways to deal with this problem. 1. Erosion - put a handful of sand, rocks, or bolts in the tube and shake it around to abrade the phospors and conductive coating. Then rinse well. 2. Corrosion - put in a mild acid or other chemical that will dissolve the unwanted material. Then rinse well. 3. Sealing - pour in some food-safe coating and slosh it around to coat the entire inside of the glass, covering up the phosphors etc. I realize that if I want to drink out of the neck, I won't be able to fill it more than about halfway, so that there will be an air gap above the beer when I try to drink from it. I guess I could punch out the anode connector to make an air hole, or just drink from a long straw. Also I'll have to polish the edges of the neck glass where the base broke off. Has anybody tried doing this before? What worked or didn't work? Is this a bad idea for some reason I haven't thought of? Thanks! Matt Roberds |
#3
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Another Idiot !!
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#4
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Perhaps instead of cleaning it out, you could enamel the inside of it
with a black or clear material that would protect your beer (and your body) from the chemistry of the tube but allow you to show off its construction. |
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#7
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I wouldn't do it. The phosphors are very poisonous, and there's a
lot of lead in the glass. wrote: Hello all! At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) |
#8
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#9
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There are too many power toxic materials involved in the CRT manufacturing.
This would be taking too much of a chance to determine yourself if the glass surfaces are safe for what you want to do. The glass itself has a very high content of lead in it. This type of glass was not classified to hold food or drink for consumption. Your best bet is to dispose of the set, and forget about your idea. If you know a good glass blower, you can have them make for you an imitation drinking glass of a CRT. This way it will be safe for you to use. -- I have to admit... I have read all types in these groups! This one is saved for my books. -- JANA _____ wrote in message news:%osYe.76870$Sj1.60499@okepread04... Hello all! At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) It occurs to me that it might be amusing to make a beer glass out of this thing. However, I don't think that CRT phosphors and the aquadag on the inside are part of the four basic food groups. I've thought of three ways to deal with this problem. 1. Erosion - put a handful of sand, rocks, or bolts in the tube and shake it around to abrade the phospors and conductive coating. Then rinse well. 2. Corrosion - put in a mild acid or other chemical that will dissolve the unwanted material. Then rinse well. 3. Sealing - pour in some food-safe coating and slosh it around to coat the entire inside of the glass, covering up the phosphors etc. I realize that if I want to drink out of the neck, I won't be able to fill it more than about halfway, so that there will be an air gap above the beer when I try to drink from it. I guess I could punch out the anode connector to make an air hole, or just drink from a long straw. Also I'll have to polish the edges of the neck glass where the base broke off. Has anybody tried doing this before? What worked or didn't work? Is this a bad idea for some reason I haven't thought of? Thanks! Matt Roberds |
#10
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There has been also tons of lead around water in the water pipes for more
than 2000 years before men rang the bell ! "Mike Berger" a écrit dans le message news: ... I wouldn't do it. The phosphors are very poisonous, and there's a lot of lead in the glass. wrote: Hello all! At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) |
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#12
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"zantafio" wrote in message ... There has been also tons of lead around water in the water pipes for more than 2000 years before men rang the bell ! True, and adding the CRT's phosphors into the mix, might just give him that extra little requirement to win this years Darwin Award for originality !!! "Mike Berger" a écrit dans le message news: ... I wouldn't do it. The phosphors are very poisonous, and there's a lot of lead in the glass. wrote: Hello all! At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) |
#13
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yep and most died from Lead poisoning.
"zantafio" wrote in message ... There has been also tons of lead around water in the water pipes for more than 2000 years before men rang the bell ! "Mike Berger" a écrit dans le message news: ... I wouldn't do it. The phosphors are very poisonous, and there's a lot of lead in the glass. wrote: Hello all! At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) |
#14
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"kip" wrote in message .. . yep and most died from Lead poisoning. "zantafio" wrote in message ... There has been also tons of lead around water in the water pipes for more than 2000 years before men rang the bell ! Wasn't that a contributor to the fall of the Roman empire? |
#16
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wrote: Hello all! At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) It occurs to me that it might be amusing to make a beer glass out of this thing. However, I don't think that CRT phosphors and the aquadag on the inside are part of the four basic food groups. There is one and only one accepted way, approved by the bdsma (beer-drinking stupid mo'frs association), to clean the inside of a monitor: http://www.25-88.com/clean_your_monitor/brush.swf |
#17
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#18
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I have heard of alot of strange things in my life but never ever thought
of drinking beer or anything far as that goes out of a broken picture tube . Why cant you use a glass ? |
#19
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"Ken G." wrote in message
... I have heard of alot of strange things in my life but never ever thought of drinking beer or anything far as that goes out of a broken picture tube . Why cant you use a glass ? Because he is Stupid.. |
#21
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On Thu, 22 Sep 2005 09:47:25 -0500, Mike Berger put
finger to keyboard and composed: I wouldn't do it. The phosphors are very poisonous, and there's a lot of lead in the glass. Any worse than a pewter mug? http://www.kelloggscerealcity.com/st...oducts/26.aspx http://www.lead.org.au/lanv4n3/lanv4n3-19.html "According to the Medical Journal of Australia, in 1995 an Australian man and his wife were lead poisoned by drinking non-alcoholic carbonated beverages from a pewter mug purchased 10 years previously in Malaysia. [Ref: Scarlett et al, MJA Vol 163 4/18 December 1995 p 589-590]" wrote: Hello all! At work, there was an old computer monitor kicking around without its casing. It got shoved and moved around until the CRT socket board hit the table the wrong way and broke off the end of the tube. All of the metal bits (electron guns, filament, etc) came out with the bit of glass around the pins, so now I have the circuit boards in the salvage pile and this funny-shaped glass bottle on my desk. (It still has the metal band around the front rim.) -- Franc Zabkar Please remove one 'i' from my address when replying by email. |
#22
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Cleaning the inside of a CRT?
No that's funny!!
On Thu, 29 Sep 2005, Ken G. wrote: I have heard of alot of strange things in my life but never ever thought of drinking beer or anything far as that goes out of a broken picture tube . Why cant you use a glass ? |
#23
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Cleaning the inside of a CRT?
On Sat, 29 Oct 2005 22:28:18 -0400, Dana wrote:
No that's funny!! On Thu, 29 Sep 2005, Ken G. wrote: I have heard of alot of strange things in my life but never ever thought of drinking beer or anything far as that goes out of a broken picture tube . Why cant you use a glass ? Kind of reminiscent of the movie "Strange Brew". Tom |
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