[TheForge] Claydon Clamp

[Roger Degner]

Bob Patrick who used to be a partner with Stuart Hill  stressed they worked
best when preformed which he demonstrated in his DVD that UMBA has in there
library.  It is not listed on the internet yet but is available

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Paul Tomlinson
Sent: Monday, January 09, 2012 9:42 AM
To: Blacksmithing List Sponsored by ABANA
Subject: [TheForge] Claydon Clamp

Hi,

I clipped this years ago, there WERE drawings, but the method is clear
enough!

Paul

>The Claydon Clamp
>
>The "Claydon Clamp" is a method for joining two bars at right angles 
>with a short length of thin wall pipe.
>
>Lay the bars perpendicular to each other, with the thin wall in 
>between them. The thin wall is perpendicular to both bars - if you 
>lay the bars out left and right on the ground, the thin wall axis goes up.
>
>Now compress the whole assembly, and the thin wall pipe will crush 
>around both bars to be joined.
>
>The proportion is 1 and one half times the diameter of the bars to 
>be joined. The clamp works best with round stock, and clamps like 
>crazy if you remember to quench the joint as soon as it's made. The 
>bars may rotate inside the joint, but you can't pull them apart. 
>Gates made in this fashion are very solid.
>
>At a Conference in West Virgina a few years ago the inventor 
>demonstrated his clamp. He heats the pipe first, then squashes it 
>with an arbor press, a fly press works better, and he bemoaned the 
>fact that he didn't get to bring his.
>
>The process is patented, but to quote... "only to prevent big 
>companies from stealing it ... you guys can use it all you want" 
>followed by a roar from the crowd, a standing ovation, and sore 
>hands from clapping.
>
>
>On 1/9/12 1:13 AM, terry l. ridder wrote:
> > hello;
> >
> > note: the claydon knot show in anvilfire.com iforge demo is not what i
> > was looking for.
> >
> > stuart hill, blacksmith, created the "claydon clamp" which was patented
> > on 30 December 1986. the patent figures do show what i remembered from
> > the article.
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