US Patent 7959345 System for securing a container within a mixing machine

A holder and system for mixing a volume of material within a closed container in a mixing machine. Holders and systems in accordance with embodiments of the present invention may permit mixing of fluids in containers that are otherwise ill-suited for conventional mixing machines. The holder may include a receptacle or bucket into which a first insert or adapter is placed to receive and hold one end of the closed container. A second insert may also be inserted into the bucket to receive and hold a second end of the closed container. The bucket may include a tapered inner sidewall surface and one or both adapters may include side surfaces that generally conform to the sidewall surface.