I was talking with Chet as he has experience of electro plating metal, i am interested in learning how to plate metal strips. Chet told me an easy way to do this is to use a method of brushplating. So i did a search on yourube and found a fantastic video by Robert Murray-Smith THANKS Robert if you ever read this. He found a patent US7235165 but because this patent is active he had to change his formulation of the brushplating chemical The thing is that the chemical mentioned in the patent is only a carrier chemical, you use an anode of the metal you want to be plated, and for the cathode to be plated you run a brush that has the metal placed inside a piece of foam to make a brush and pump the chemical into the sponge, you run a current and rub the brush over the metal object to be plated. The chemical does not consist of the plating sulphate as per the normal plating process, once used you can reverse the current and use a carbon rod in place of the original anode and it deionizes the fluid thus allowing it to be used for other metals. Very Clever, very easy to make and a lot cheaper than buying a brushplating kit. The patent is here https://www.google.com/patents/US7235165?dq=7235165&hl=en&sa=X&ei=pa6lU5zYL8SZPbvbgYgG&ved=0CBwQ6AEwAAand Robert's video is here in 2 parts http://www.youtube.com/watch?v=trrVeix0nS4I then realized that if the a pen had it's ink unit taken out and a metal say copper was inserted and the fluid was pumped down the pen case, you could draw using a 3d printer frame to make 3d metal objects of varying metals. I have not tried this but it has occurred to me that this is one thing that is not easy with 3d printers.
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