Little rubber doo-hickey in patch kit

Discussion in 'Cycling Equipment' started by Whitfit, Mar 12, 2004.

  1. Whitfit

    Whitfit Guest

    I have noticed that patch kits sometimes come with a little
    piece of rubber tubing, not unlike thin surgical tubing.
    What is this for?

    Toby Whitfield.
     
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  2. Mark

    Mark Guest

    "whitfit" wrote
    > I have noticed that patch kits sometimes come with a
    > little piece of rubber tubing, not unlike thin surgical
    > tubing. What is this for?
    >
    > Toby Whitfield.

    www.sheldonbrown.com/gloss_w.html#valve

    The little rubber doo-hickey is at the bottom the valve, you
    have to force air past the doo-hickey/valve body interface
    to get air in the tube. As the pressure in the tube rises,
    it becomes difficult to impossible to increase the pressure
    further. There were still a few of these around when I was a
    kid, I remember hating them.
    --
    mark
     
  3. Mark

    Mark Guest

    "whitfit" wrote
    > I have noticed that patch kits sometimes come with a
    > little piece of rubber tubing, not unlike thin surgical
    > tubing. What is this for?
    >
    > Toby Whitfield.

    www.sheldonbrown.com/gloss_w.html#valve

    The little rubber doo-hickey is at the bottom the valve, you
    have to force air past the doo-hickey/valve body interface
    to get air in the tube. As the pressure in the tube rises,
    it becomes difficult to impossible to increase the pressure
    further. There were still a few of these around when I was a
    kid, I remember hating them.
    --
    mark
     
  4. "mark" wrote:

    > "whitfit" wrote
    > > I have noticed that patch kits sometimes come with a
    > > little piece of rubber tubing, not unlike thin surgical
    > > tubing. What is this for?
    > >
    > > Toby Whitfield.
    >
    >
    > www.sheldonbrown.com/gloss_w.html#valve
    >
    > The little rubber doo-hickey is at the bottom the valve,
    > you have to force air past the doo-hickey/valve body
    > interface to get air in the tube. As
    the
    > pressure in the tube rises, it becomes difficult to
    > impossible to increase the pressure further. There were
    > still a few of these around when I was a kid, I remember
    > hating them.

    I think that tubing is only for the "Woods Valve." You're
    not likely to encounter one of those.

    Art Harris
     
  5. "mark" wrote:

    > "whitfit" wrote
    > > I have noticed that patch kits sometimes come with a
    > > little piece of rubber tubing, not unlike thin surgical
    > > tubing. What is this for?
    > >
    > > Toby Whitfield.
    >
    >
    > www.sheldonbrown.com/gloss_w.html#valve
    >
    > The little rubber doo-hickey is at the bottom the valve,
    > you have to force air past the doo-hickey/valve body
    > interface to get air in the tube. As
    the
    > pressure in the tube rises, it becomes difficult to
    > impossible to increase the pressure further. There were
    > still a few of these around when I was a kid, I remember
    > hating them.

    I think that tubing is only for the "Woods Valve." You're
    not likely to encounter one of those.

    Art Harris
     
  6. Peter

    Peter Guest

    Arthur Harris wrote:

    >>"whitfit" wrote
    >>
    >>>I have noticed that patch kits sometimes come with a
    >>>little piece of rubber tubing, not unlike thin surgical
    >>>tubing. What is this for?

    > I think that tubing is only for the "Woods Valve." You're
    > not likely to encounter one of those.

    My boat trailer came with tubes that use that valve style:
    http://home.comcast.net/~prathman/P2290004.JPG
     
  7. A Muzi

    A Muzi Guest

    whitfit wrote:

    > I have noticed that patch kits sometimes come with a
    > little piece of rubber tubing, not unlike thin surgical
    > tubing. What is this for?

    It is the replacement seal for a Dunlop / Woods valve:
    http://www.yellowjersey.org/nuvalve.html item 12. Click
    photo for a bigger detailed version.

    --
    Andrew Muzi www.yellowjersey.org Open every day since 1
    April, 1971
     
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