Patents by Inventor Marc Hoang

Marc Hoang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process to coat an injection mould
    Patent number: 10836087
    Abstract: A process to increase the diameter of a core rod (1) of an injection mould for preforms, wherein the core rod (1) has a moulding surface (2) divided in a neck finish portion (3) and a preform body portion (4), comprises the steps of: a) grinding or milling a layer from the surface of the preform body portion (4) of the core rod, b) depositing a metallic compound onto the ground portion to make a coating, c) removing the excess of coating material to bring the coated surface to a predetermined superficial roughness and to diametrical dimensions greater than the original surface profile (14) to reduce the thickness of the lateral wall of the moulded preform.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: November 17, 2020
    Assignee: S.I.P.A. SOCIETA' INDUSTRIALIZZAZIONE PROGETTAZIONE E AUTOMAZIONE S.P.A.
    Inventors: Matteo Zoppas, Laurent Sigler, Marc Hoang
  • PROCESS TO COAT AN INJECTION MOULD
    Publication number: 20190160720
    Abstract: A process to increase the diameter of a core rod (1) of an injection mould for preforms, wherein the core rod (1) has a moulding surface (2) divided in a neck finish portion (3) and a preform body portion (4), comprises the steps of: a) grinding or milling a layer from the surface of the preform body portion (4) of the core rod, b) depositing a metallic compound onto the ground portion to make a coating, c) removing the excess of coating material to bring the coated surface to a predetermined superficial roughness and to diametrical dimensions greater than the original surface profile (14) to reduce the thickness of the lateral wall of the moulded preform.
    Type: Application
    Filed: November 7, 2016
    Publication date: May 30, 2019
    Inventors: Matteo Zoppas, Laurent Sigler, Marc Hoang