vacuum bottle
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Posting Guru
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From: Leamington, Ontario
vacuum bottle
I recently bought a vacuum bottle so that I could eat a warm lunch somedays. I went to use it for the first time today and when I opened it, the pressure pushed some of my food out of the container. I've never used one of these before so I figure I did something wrong but I'm not sure what. Anybody want to give me that obvious tip that I'm apparently missing?
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The 'vacuum' in a vacuum bottle is used as insulation. So your contents are not under vacuum. If you put hot food in a bottle and close it up, it may expand a bit and cause some pressure inside the food storage area. So, not so full. You may also try pre-heating with hot water to keep it hotter and pre-heat the air and material in the bottle, which might control expansion, maybe.
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Posting Guru
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From: Leamington, Ontario
Well, it wasn't all the way full but I did close the lid right away so I could see the pressure build up part. I'll let it sit for a little bit before I close the lid next time, hopefully I won't end up with chilli all over my floor mats again 
Postmaster
Joined: Sep 2006
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From: Clearwater, Fl
see herman,all you needed to do was ask....so next time your in your truck and your eating your chili and its not all over your floor mats,you'll be saying thank you fte
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I always preheat mine with hot water; pour it in and let it set (closed) for a few minutes. Keeps the food hot longer, and you can also do the same for cold beverages/food by pre-chilling the bottle. Too much food = too much pressure! Don't feel bad - I had venison stew on the ceiling of my truck 2 - 3 hunting seasons ago....
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Logistics Pro
Joined: Nov 2004
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From: Southern MD
Herman,
As for why the chili exploded. . . . B E A N S.
Hot chili and beans. . . beans cause G A S.
Seriously though, what everyone is saying is correct.
Pre-heat the thermos bottle with hot water. If I have enough time, I use boiling water. Seal bottle and allow it to 'temper' the container.
Also, all kidding aside, I wouldn't be surprised at the beans 'gassing' and increasing the pressure inside.
Try it with chicken noodle soup. Gas pressure will be less.
Mmmmmmm-mmmm Good!
Logistics Pro
Joined: Nov 2004
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From: Southern MD
No, but I definitely change my ATTITUDE on my drive to work.
Post Fiend
Joined: Jan 2006
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From: Charlotte, NC
The one I just got will have nothing BUT coffee in it. I'm going to get one of the shorter, wider 'soup' thermi for this winter for work. Great for chicker/rice....chicken/stars....etc..