Patents by Inventor Ralph H. Pena

Ralph H. Pena 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).

  • Method for anchoring an elastomer into a thermoplastic during injection molding
    Publication number: 20040222254
    Abstract: A molded plastic garment hanger constituted from first and second plastic materials which are fused and mechanically bonded to form a composite garment hanger. A coinjected plastic member formed of the second plastic material is molded into the plastic body member formed of the first plastic material, and is secured thereto by a plume of the second plastic material of the coinjected plastic member which is formed as the second plastic material is coinjected and breaches the surface of the first plastic material of the molded plastic body member which is not completely set and hardened, such that the plume of the second plastic material extends into and is secured and anchored into the first plastic material. A method and apparatus for co-injection molding of plastic materials for the formation of the plastic garment hanger construction are also disclosed.
    Type: Application
    Filed: June 16, 2004
    Publication date: November 11, 2004
    Applicant: Spotless Plastics Pty. Ltd.
    Inventors: Olaf Olk, Ralph H. Pena
  • Method for anchoring an elastomer into a thermoplastic during injection molding
    Patent number: 6772923
    Abstract: A molded plastic garment hanger constituted from first and second plastic materials which are fused and mechanically bonded to form a composite garment hanger. A coinjected plastic member formed of the second plastic material is molded into the plastic body member formed of the first plastic material, and is secured thereto by a plume of the second plastic material of the coinjected plastic member which is formed as the second plastic material is coinjected and breaches the surface of the first plastic material of the molded plastic body member which is not completely set and hardened, such that the plume of the second plastic material extends into and is secured and anchored into the first plastic material. A method and apparatus for co-injection molding of plastic materials for the formation of the plastic garment hanger construction are also disclosed.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: August 10, 2004
    Assignee: Spotless Plastics Pty. Ltd.
    Inventors: Olaf Olk, Ralph H. Pena
  • Method for anchoring an elastomer into a thermoplastic during injection molding
    Publication number: 20030183665
    Abstract: A molded plastic garment hanger constituted from first and second plastic materials which are fused and mechanically bonded to form a composite garment hanger. A coinjected plastic member formed of the second plastic material is molded into the plastic body member formed of the first plastic material, and is secured thereto by a plume of the second plastic material of the coinjected plastic member which is formed as the second plastic material is coinjected and breaches the surface of the first plastic material of the molded plastic body member which is not completely set and hardened, such that the plume of the second plastic material extends into and is secured and anchored into the first plastic material. A method and apparatus for co-injection molding of plastic materials for the formation of the plastic garment hanger construction are also disclosed.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 2, 2003
    Applicant: Spotless Plastics Pty. Ltd.
    Inventors: Olaf Olk, Ralph H. Pena