method and apparatus for forming an article from a molten plasticized resin using an injection molding machine by forming a mold cavity having a first region for producing a molded part and a second , distinctive region for receiving a plasticised resin ; injecting into the second region a volume of plasticized resin for the article to be formed in the first region of the mold cavity ; applying pressure to plasticized resin to move it at least in part from the second region to the first region ; and maintaining pressure on the plasticised resin in the first region until the article is formed and stresses are relieved .