Quote Originally Posted by ptjw7uk View Post
I'm sure you can get small vacuum pumps, as in vacuum formers, I think they can be diaphragm type its not as if you need ultra high vacuum after all just a vacuum!

peter
Your right Peter but the problem is maintaining the vacuum because of all the leaks, with a good seal you would probably be able to use something like this
Composites Vacuum Pumps and Vacuum Equipment - Easy Composites

or if you didn't want to spend that sort of money you could build your own using an old fridge compressor.