Patents Assigned to Pollmann North America, Inc.
  • Patent number: 8119049
    Abstract: Injection-molding processes and systems are described herein. An exemplary method involves: (a) holding one or more inserts in a desired position within a mold cavity by contacting a retractable core to at least a portion of each insert, wherein the retractable core is a feature of a mold plate; (b) while the one or more inserts are being held in the desired position by the retractable core, initiating an injection of molten plastic into the mold cavity; (c) retracting the retractable core from the one or more inserts while continuing the injection of molten plastic into the mold cavity, wherein retracting the retractable core creates additional cavity space within the mold cavity between the retractable core and the one or more inserts; and (d) continuing the injection of molten plastic into the mold cavity until the mold cavity, including the additional cavity space, is filled.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: February 21, 2012
    Assignee: Pollmann North America, Inc.
    Inventors: Robert Pollmann, Andreas Reger, Roland Kuehtreiber
  • Publication number: 20120038083
    Abstract: Injection-molding processes and systems are described herein. An exemplary method involves: (a) holding one or more inserts in a desired position within a mold cavity by contacting a retractable core to at least a portion of each insert, wherein the retractable core is a feature of a mold plate; (b) while the one or more inserts are being held in the desired position by the retractable core, initiating an injection of molten plastic into the mold cavity; (c) retracting the retractable core from the one or more inserts while continuing the injection of molten plastic into the mold cavity, wherein retracting the retractable core creates additional cavity space within the mold cavity between the retractable core and the one or more inserts; and (d) continuing the injection of molten plastic into the mold cavity until the mold cavity, including the additional cavity space, is filled.
    Type: Application
    Filed: August 10, 2010
    Publication date: February 16, 2012
    Applicant: POLLMANN NORTH AMERICA, INC.
    Inventors: Robert Pollmann, Andreas Reger, Roland Kuehtreiber