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A Springform Pan is a baking pan where the rim and the bottom panel are separate parts. The rim has a spring loaded latch that allows clamping it onto the bottom. The same principle, perhaps with additional high temperature silicone seals could be used to make a height adjustable pot. You start with
a simple shallow frying pan as the bottom part. Then you clamp on rims to the desired height to make it a pot. Each rim adds about 2inch. There could also be pierced bottom panels that can be put in at different heights to make a multi level steamer (similar to those Chinese bamboo towers). A rim with a closed bottom panel would make it a plain Springform again. The top rim can also seal onto the lid to make a moderate pressure cooker (walls are too thin for real high pressure)
No need to buy a whole series of bulky pots any more. Dirty pots can be broken down into smaller pieces for easy placement in the dishwasher. Rims snap around each other for compact storage.
Expandable Pot Lids
one size fits all [lintkeeper2, Oct 04 2004, last modified Oct 05 2004]
Collapsible cup increases diameter with height
[kbecker, Oct 04 2004, last modified Oct 21 2004]
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||Nice! But shouldn't the pot get wider too? Else youd have something 3 feet tall, but only 6 inches wide.
||Wouldn't most people need multiple kits anyway? I mean, I guess you could sell the bottoms standalone, but many will want to cook more than one thing at a time. My pots stack, so I don't see much storage advantage there either. I like the advantage when cleaning though.
||Until I read the article, I was thinking of a fIower pot to prevent destroying the roots when transplanting. Either way, I think we will be seeing this idea on an infomercial.
||I foresee an entire line of expanding and contracting cookware. (shameless plug--see link)
||[DF] I had that concern too. If you follow that track you will end up with something like the collapsible cup (link). I may have problems with stability, so I decided to stay with straight walls. Perhaps cooks will need a 6" and an 8" version (Infomercial: Order the 8" set within the next half hour and get the 6" set absolutely free). Still easier to clean and store.