Patents Represented by Attorney N. P. Holler
  • Patent number: 4124352
    Abstract: A device for removing molded articles and cured sprues from the cavity and cover plates, respectively, of a multi-plate multi-cavity injection mold, includes a molded article ejection unit and a sprue extraction unit which, when the molding machine is opened, are juxtaposed, respectively, to a space between the mold cover and cavity plates and to a space between the mold cover plate and the face plate of the injection unit of the machine. A common carrier unit is provided for shifting the article ejection and sprue extraction units jointly into and out of the said spaces. In a preferred construction, the article ejection unit includes a plurality of ejector pins for the mold cavities, and means responsive to the arrival of the ejection unit at the end of its in-stroke for causing the ejector pins to penetrate the cavities from one face of the cavity plate.
    Type: Grant
    Filed: September 15, 1977
    Date of Patent: November 7, 1978
    Assignee: Uniroyal A. G.
    Inventor: Lambert M. Pasch