Little rubber doo-hickey in patch kit

[Whitfit]

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.

 

[Mark]

"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

 

[Mark]

"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

 

[Arthur Harris]

"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

 

[Arthur Harris]

"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

 

[Peter]

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

 

[A Muzi]

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