[TheForge] Claydon Clamp

[Paul Tomlinson]

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.