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The EVAK food storage system sucks in a good way

By Dave Parrack
October 23, 2014
The EVAK food storage system sucks in a good way
The EVAK food storage system removes all of the air from the jar thanks to a twin-valve lid
The EVAK food storage system removes all of the air from the jar thanks to a twin-valve lid
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The EVAK food storage system can be used for a wide range of foodstuffs
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The EVAK food storage system can be used for a wide range of foodstuffs
The EVAK food storage system removes all of the air from the jar thanks to a twin-valve lid
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The EVAK food storage system removes all of the air from the jar thanks to a twin-valve lid
To use the EVAK food storage system, you simply fill the jar with food and push the lid down as far as it will go
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To use the EVAK food storage system, you simply fill the jar with food and push the lid down as far as it will go
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The EVAK food storage system consists of glass jars with lids which fit perfectly inside them. Glass containers with airtight lids are obviously already readily available, but the EVAK food storage system goes one stage further ... it lets you suck air out of the jar and away from the food.

You simply pour in the dry foodstuff you want to keep fresh – be it coffee, pasta, dried fruit, nuts, seeds, herbs, etc. – and push the lid down as far as it will go without crushing what's inside. Doing this sucks all of the air out of the jar, leaving the food safe and sound in a sealed vacuum. As an added bonus, the design ensures only glass and stainless steel come into contact with the foodstuff, preventing harsh plastics from shortening its shelf-life.

To use the EVAK food storage system, you simply fill the jar with food and push the lid down as far as it will go
To use the EVAK food storage system, you simply fill the jar with food and push the lid down as far as it will go

Ed Kilduff of Pollen Design developed the EVAK food storage system on the belief that "the longer your food is exposed to air, the faster it loses its flavor." It works thanks to the inclusion of a twin-valve which lets air out as needed but prevents any air sneaking back in and upsetting the food.

After a successful Kickstarter campaign which raised US$88,000, EVAK is now available to buy. Each jar ranges in price from $19.99 to $29.99. The video below shows EVAK in action, with the air being sucked out of jars containing an impressive range of foodstuffs.

Source: Prepara via NOTCOT

Prepara EVAK

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11 comments
Dave Parrack
Dave is a technology journalist with a ravenous appetite for gadgets, gizmos, and gubbins. He's based in the UK, and from his center of operations writes about all facets of modern and future technology. He has learned more in his five years writing for the Web than he did in 11 years at school, and with none of the boring subjects thrown in to the mix.

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11 comments
David Rochlin
Well home canning, a venerable technology also evacuates air from a jar. So the question is, how much more air is removed by Evac, than by grandma's tried and true home canning methods?
Slowburn
I think that a vacuum pump and mason jars would work better.
@ David Rochlin This does not cook the contents.
canderso
you can get these at Target. They were by the coffee makers
Jeronimo
If it were sucking the air out and leaving a partial vacuum then wouldn't the lid be sucked lower into the jar? I assume it isn't creating much of a vacuum at all, but rather just removing as much air as the lid displaces when inserted, so there's still air around the food, as there would be in any jar.
Mr T
This does not suck the air out of the jar, nor does it create any form of vacuum. Come on people, surely you have some basic scientific knowledge?
By pushing in the lid you are simply displacing the air in the jar, the air between the dry food particles/pieces is still there, it is not sucked out.
The main advantage of this system is that it removes most of the air rather than leaving a pocket of air above the food, but for dry food, which is what the system is aimed at, the gain is minimal at best. And given that the flow of air through the lid is working against the valve, which will take some level of force to operate, the air left inside the jar is likely to be slightly above atmospheric pressure, not below it.
So, there is no vacuum in this system, no air is sucked out of the jar, it's all hype.
Anne Ominous
@Mr T:
I think people got it wrong because the article SAID it sucks the air away, and they accepted that uncritically.
While a little bit of thought shows the "sucking" idea to be wrong, don't blame them. Blame the quality of the article.
Martin Winlow
@Anne - I think Mr T was referring to the article writer rather than the jar makers. Whilst displacing air with a air-tight 'piston' is clearly better as others point out, there is still plenty of air left lying between the beans or whatever. So, close but no cigar.
I don't really see what cosmic engineering feat would be required to just add a small lever under the handle that *would* suck a good proportion of the remaining air out after inserting - as well as a means to relaese the vacuum to aid lid removal. So, back to the drawing board, guys! MW
John Banister
A miniature version of this for spices could be nice. I like the lack of a pressure differential. Perhaps a hand dispenser that works with the Coravin argon capsules to displace some of the remaining oxygen among longer term stored material would complete the job.
Marilyn Harris
i also do not see how the unit is sucking out any air?! Are we missing something here?
Marilyn
Arnold Stonehouse
Toss in a bit of Dry Ice after you have filled the device. Push lid down. No "air" inside at only CO2. ZERO oxidation as there will be NO 02 in the jar. Simple no?
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