General fitness, health and nutrition · Public discussion

"vacuum" flasks

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General fitness, health and nutrition
Published
27 February 2004
Last activity
13 March 2004
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Brian
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  1. I don't suppose any of you guys could recommend a decent brand of "vacuum" flask?

    My 5 month old "Aztec" 1 litre stainless steel flask is now no longer keeping things hot - when I
    pour in a hot drink, the outside wall of the flask gets hot a half hour later :-(

    Doesn't seem right to me... I did get a replacement stopper free of charge from the manufacturer as
    the rubber o-ring had perished, but even with the new stopper the outer wall is still getting hot.

    --
    Brian

  2. "Brian" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    I don't suppose any of you guys could recommend a decent brand of "vacuum" flask?

    My 5 month old "Aztec" 1 litre stainless steel flask is now no longer keeping things hot - when I
    pour in a hot drink, the outside wall of the flask gets hot a half hour later :-(

    Doesn't seem right to me... I did get a replacement stopper free of charge from the
    manufacturer as the rubber o-ring had perished, but even with the new stopper the outer wall is
    still getting hot.

    --
    Brian


    It is broken. Take it back to the shop and get your money back. Graham

  3. Graham Bowers said:
    Quoted message said:


    Doesn't seem right to me... I did get a replacement stopper free of charge from the
    manufacturer as the rubber o-ring had perished, but even with the new stopper the outer wall is
    still getting hot.

    --
    Brian


    It is broken. Take it back to the shop and get your money back. Graham

    I might get in touch with the makers of the flask, and see if they will exchange for a new one,
    after all it's supposed to have a 10 year warranty. (They did replace the stopper free of charge, so
    hopefully they should replace the flask as it's faulty)

    --
    Brian

  4. "Brian" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    Graham Bowers said:
    Quoted message said:


    Doesn't seem right to me... I did get a replacement stopper free of charge from the
    manufacturer as the rubber o-ring had perished, but


    even

    Quoted message said:
    Quoted message said:
    Quoted message said:

    with the new stopper the outer wall is still getting hot.

    --
    Brian


    It is broken. Take it back to the shop and get your money back. Graham

    I might get in touch with the makers of the flask, and see if they will exchange for a new one,
    after all it's supposed to have a 10 year warranty. (They did replace the stopper free of charge,
    so hopefully they should replace the flask as it's faulty)

    --
    Brian


    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me. (Yes - I know all
    about priming, insulating etc etc etc). Another triumph of gadgetry over function.

    druidh

  5. druidh said:

    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me. (Yes - I know
    all about priming, insulating etc etc etc). Another triumph of gadgetry over function.

    I rather like tea without glass shards in it. The stainless steel unbreakable flasks might not be as
    efficient as the silvered glass ones but they don't break if you or your sac take a tumble. Now
    leaving a thermos in the car to drink after a walk is a mighty good idea, especially if you are
    parked miles from anywhere.
    --
    Phil Cook looking north over the park to the "Westminster Gasworks"

  6. In article <[email hidden]>, druidh
    <[email hidden]> writes

    Quoted message said:

    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me. (Yes - I know
    all about priming, insulating etc etc etc). Another triumph of gadgetry over function.

    One of the mags did a review of a whole bunch of stainless flasks and at least one
    traditional glass.

    IIRC the best stainless were as good as the glass. The worst stainless were very poor.

    --

    dscs.demon.co.ukdscs.demon.co.uk

  7. druidh said:
    Quoted message said:


    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me. (Yes - I know
    all about priming, insulating etc etc etc). Another triumph of gadgetry over function.

    Gadgetry? Making a flask out of something that doesn't break if you drop it? Hardly. Metal flasks
    keep the liquid hot all day - what more do you want?

  8. druidh <[email hidden]> wrote

    Quoted message said:


    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me. (Yes - I know
    all about priming, insulating etc etc etc). Another triumph of gadgetry over function.


    I am convinced they are very poor compared with one I must have had for over 20 years! I just looked
    and it is a genuine Thermos - made in England.

    The SS one was a present from my daughter a few years ago, hasn't been used much, barely keeps
    it warm for a day's walk, and even with the stopper screwed hard in if I shake the flask it
    leaks, probably via the patent pourer, which enables you to pour with the stopper unscrewed part
    way. Useless!
    --
    Gordon

  9. "]news:[email hidden]...

    Quoted message said:

    In article <[email hidden]>, druidh
    <[email hidden]> writes

    Quoted message said:

    I remain to be convinced that stainless steel flasks keep their contents


    hot

    Quoted message said:
    Quoted message said:

    as well as old fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me.
    (Yes - I know all about priming, insulating etc


    etc

    Quoted message said:
    Quoted message said:

    etc). Another triumph of gadgetry over function.

    One of the mags did a review of a whole bunch of stainless flasks and at least one
    traditional glass.

    IIRC the best stainless were as good as the glass. The worst stainless were very poor.

    --

    Quoted message said:

    dscs.demon.co.ukdscs.demon.co.uk

    Any chance of laocting the article? Very interested to see what was as good as glass.

    druidh

  10. "Phil Cook" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    druidh said:

    I remain to be convinced that stainless steel flasks keep their contents


    hot

    Quoted message said:
    Quoted message said:

    as well as old fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me.
    (Yes - I know all about priming, insulating etc


    etc

    Quoted message said:
    Quoted message said:

    etc). Another triumph of gadgetry over function.

    I rather like tea without glass shards in it. The stainless steel unbreakable flasks might not be
    as efficient as the silvered glass ones but they don't break if you or your sac take a tumble. Now
    leaving a thermos in the car to drink after a walk is a mighty good idea, especially if you are
    parked miles from anywhere.
    --
    Phil Cook looking north over the park to the "Westminster Gasworks"

    Not being in the habit if falling over (touch wood), I've never actually broken a glass flask. I'd
    imagine one would have to be particularly unlucky to fall in just such a manner as to produce such a
    shock (and I'd be more worried about my camera). But I could be convinced if I could find a
    stainless one which worked.

    druidh

  11. "Simon Caldwell" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    druidh said:
    Quoted message said:


    I remain to be convinced that stainless steel flasks keep their contents


    hot

    Quoted message said:
    Quoted message said:

    as well as old fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me.
    (Yes - I know all about priming, insulating etc


    etc

    Quoted message said:
    Quoted message said:

    etc). Another triumph of gadgetry over function.

    Gadgetry? Making a flask out of something that doesn't break if you drop it? Hardly. Metal flasks
    keep the liquid hot all day - what more do you want?

    Well - I'd like a flask that actually DID keep the liquid hot all day. No matter whose SS flask
    I've compared against, and whatever preparatory methods are used, my drinks are always hotter.
    Admittedly this is more of an issue in the depths of winter, but then I never have a hot drink in
    summer anyway.

    and how many times have you dropped a flask?

    druidh

  12. druidh <[email hidden]> wrote

    Quoted message said:


    "Phil Cook" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    druidh said:

    I remain to be convinced that stainless steel flasks keep their contents


    hot

    Quoted message said:
    Quoted message said:

    as well as old fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for
    me. (Yes - I know all about priming, insulating etc


    etc

    Quoted message said:
    Quoted message said:

    etc). Another triumph of gadgetry over function.

    I rather like tea without glass shards in it. The stainless steel unbreakable flasks might not be
    as efficient as the silvered glass ones but they don't break if you or your sac take a tumble.
    Now leaving a thermos in the car to drink after a walk is a mighty good idea, especially if you
    are parked miles from anywhere.
    --
    Phil Cook looking north over the park to the "Westminster Gasworks"

    Not being in the habit if falling over (touch wood), I've never actually broken a glass flask. I'd
    imagine one would have to be particularly unlucky to fall in just such a manner as to produce such
    a shock (and I'd be more worried about my camera). But I could be convinced if I could find a
    stainless one which worked.


    I broke one in 30 years walking. On a cobbled slippery path my legs shot from under me and I sat
    down painfully. The flask was at the bottom of the sack and took the same blow.

    Since then I have always had some kind of padding under the flask, when I carry one.
    --
    Gordon

  13. druidh <[email hidden]> wrote

    Quoted message said:


    Quoted message said:
    Quoted message said:

    IIRC the best stainless were as good as the glass. The worst stainless were very poor.

    Quoted message said:
    Quoted message said:

    dscs.demon.co.ukdscs.demon.co.uk

    Any chance of laocting the article? Very interested to see what was as good as glass.


    ...and how much it costs. ;-)
    --
    Gordon

  14. [email hidden] said...

    Quoted message said:
    druidh said:
    Quoted message said:


    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me. (Yes - I know
    all about priming, insulating etc etc etc). Another triumph of gadgetry over function.

    Gadgetry? Making a flask out of something that doesn't break if you drop it? Hardly. Metal flasks
    keep the liquid hot all day - what more do you want?


    Quite. I've never had any problems with mine. I've got two stainless steel flasks, and they're both
    brilliant. Much better than the lottery with the glass getting in the water.
    --
    Fran If you need my email address please ask.

  15. On Fri, 27 Feb 2004 19:49:53 GMT, "druidh" <[email hidden]>

    Quoted message said:

    "Brian" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    Graham Bowers said:

    >
    > Doesn't seem right to me... I did get a replacement stopper free of charge from the
    > manufacturer as the rubber o-ring had perished, but


    even

    Quoted message said:
    Quoted message said:

    > with the new stopper the outer wall is still getting hot.
    >
    > --
    > Brian
    It is broken. Take it back to the shop and get your money back. Graham

    I might get in touch with the makers of the flask, and see if they will exchange for a new one,
    after all it's supposed to have a 10 year warranty. (They did replace the stopper free of charge,
    so hopefully they should replace the flask as it's faulty)

    --
    Brian


    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks.

    Stainless flasks came first by the way. Then some bright spark in Scotland called Dewar invented a
    glass strong enough to hold a vacuum without shattering....

    Quoted message said:

    Tried it, but back to the old fashioned method for me. (Yes - I know all about priming, insulating
    etc etc etc). Another triumph of gadgetry over function.

    druidh

    --
    79.84% of all statistics are made up on the spot. The other 42% are made up later on. In Warwick -
    looking at flat fields and that includes the castle.

  16. On Fri, 27 Feb 2004 23:58:22 +0000, Gordon <[email hidden]>

    Quoted message said:

    druidh <[email hidden]> wrote

    Quoted message said:


    I remain to be convinced that stainless steel flasks keep their contents hot as well as old
    fashioned "Thermos" flasks. Tried it, but back to the old fashioned method for me. (Yes - I know
    all about priming, insulating etc etc etc). Another triumph of gadgetry over function.


    I am convinced they are very poor compared with one I must have had for over 20 years! I just
    looked and it is a genuine Thermos - made in England.

    The SS one was a present from my daughter a few years ago, hasn't been used much, barely keeps
    it warm for a day's walk, and even with the stopper screwed hard in if I shake the flask it
    leaks, probably via the patent pourer, which enables you to pour with the stopper unscrewed part
    way. Useless!

    Aladdin do some of the best stainless flasks. My 1 litre one is outperformed by a 1 litre Thermos by
    about 2C in the first four hours which isn't that bad.

    My smaller noname stainless 0.5 litre fares worse although that's probably due to it being smaller -
    6C in four hours (below the Thermos)

    I once took the inner of a three litre Thermos and stuck a base plate and the innards of a
    Mullard 360 tetrode inside - took my father ages to realise that it wasn't actually some form of
    exotic RF tube!

    --
    79.84% of all statistics are made up on the spot. The other 42% are made up later on. In Warwick -
    looking at flat fields and that includes the castle.

  17. Phil Cook said:

    Now leaving a thermos in the car to drink after a walk is a mighty good idea, especially if you
    are parked miles from anywhere.

    Better still is a stove and kettle and tea and coffee and... various other goodies waiting for
    you when you get back. Takes 5 mins to brew up, and it's much nicer than tea that's been in a
    flask all day.

    --

    Paul

    My Lake District walking site (updated 29th September 2003):

    paulrooney.netfirms.compaulrooney.netfirms.com

  18. The message <[email hidden]>
    from "druidh" <[email hidden]> contains these words:

    Quoted message said:

    Not being in the habit if falling over (touch wood), I've never actually broken a glass flask.
    I'd imagine one would have to be particularly unlucky to fall in just such a manner as to produce
    such a shock

    I have broken a flask (the same one) twice and in neither case was it as the result of falling or
    dropping. The first time was on a Scottish summit one Easter back in the 70s when I put my rucksack
    down on what I thought was soft snow. Since then I haven't carried a Thermos on the hill. The second
    only a winter or 2 ago when one of the several bags I was carrying gave the stone jamb of the garage
    doorway a glancing blow. This time the flask went straight into the bin. Sheer carelessness in both
    cases but in neither was much force required, just an unfortunate proximity between a slow moving
    flask and hard stone.

    --

    Roger

  19. Quoted message said:

    Well - I'd like a flask that actually DID keep the liquid hot all day. No matter whose SS flask
    I've compared against, and whatever preparatory methods are used, my drinks are always hotter.
    Admittedly this is more of an issue in the depths of winter, but then I never have a hot drink in
    summer anyway.

    Mine's an Aladdin Atlas and I'd recommend it to anyone.

    Quoted message said:

    and how many times have you dropped a flask?

    Not sure, but judging by the number of dents, quite a few!

  20. Interested in this thread. I have a SS flask but it leaks. It is one of those ones where you press
    in a button then pour. Useless. Can anyone suggest a 0.75 litre SS flask which does not leak,
    preferably one with no fancy press button/pour type thingies. I do not use a thermos, because I have
    broken a couple, mind you that was in my mountaineering rather than walking days.

    --
    Len Trim [email hidden]

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