silicone/ rubber casting pot

[metromack]

Hello I just came across a person who is selling a pressure pot in which he was going to make plastic toys in. my question is to the pressure pot looks nothing like what i've seen on any ones posting. It looks like an upside down pot with a seal. Has any one used something like this or any thoughts on it? Any help comments would be appreciated thanks

 

[NewLondon88]

Sounds like something I just saw on "How It's Made" recently. The toy stands on a
platform with a sealing ring on the bottom. The cylinder form stands on the base and
the RTV is poured in and cured. Then they use vacuum (not sure how) to remove the
original.

They showed this for making resin figurines. It was pretty interesting, if too short.
They glossed over most of the stuff that I would have been interested in..

Doesn't sound like something that would apply to what we do, but then I haven't
seen enough of it to know .. and haven't put my brain to it either.