Patents by Inventor John Arthur Street

John Arthur Street 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).

  • Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefrom
    Patent number: 11060207
    Abstract: A spinneret, apparatus, and method are provided for making filaments for fibrous nonwoven fabrics with more uniform filament and fabric formation while minimizing filament breaks and hard spot defects in webs and fabrics made therefrom. The spinneret has a spinneret body that has an overall length to hydraulic diameter ratio and defines orifices that extend through the spinneret body, wherein the orifices comprise capillaries that open at a face of the spinneret body for polymer filament extrusion therefrom, wherein the capillaries are arranged in a plurality of different rows at the face of the spinneret body, and wherein the plurality of different rows are arranged into a plurality of different zones at the face of the spinneret body.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: July 13, 2021
    Assignee: AVINTIV Specialty Materials, Inc.
    Inventors: Sergio Rafael Diaz de Leon Izquierdo, Marcal Bargallo Alabart, John Arthur Street, John F. Steffen, Ralph A. Moody, III
  • Multi-Zone Spinneret, Apparatus and Method for Making Filaments and Nonwoven Fabrics Therefrom
    Publication number: 20190292684
    Abstract: A spinneret, apparatus, and method are provided for making filaments for fibrous nonwoven fabrics with more uniform filament and fabric formation while minimizing filament breaks and hard spot defects in webs and fabrics made therefrom. The spinneret has a spinneret body that has an overall length to hydraulic diameter ratio and defines orifices that extend through the spinneret body, wherein the orifices comprise capillaries that open at a face of the spinneret body for polymer filament extrusion therefrom, wherein the capillaries are arranged in a plurality of different rows at the face of the spinneret body, and wherein the plurality of different rows are arranged into a plurality of different zones at the face of the spinneret body.
    Type: Application
    Filed: April 4, 2019
    Publication date: September 26, 2019
    Inventors: Sergio Rafael Diaz de Leon Izquierdo, Marcal Bargallo Alabart, John Arthur Street, John F. Steffen, Ralph A. Moody, III
  • Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefrom
    Patent number: 10301746
    Abstract: A spinneret, apparatus, and method are provided for making filaments for fibrous nonwoven fabrics with more uniform filament and fabric formation while minimizing filament breaks and hard spot defects in webs and fabrics made therefrom. The spinneret has a spinneret body that has an overall length to hydraulic diameter ratio and defines orifices that extend through the spinneret body, wherein the orifices comprise capillaries that open at a face of the spinneret body for polymer filament extrusion therefrom, wherein the capillaries are arranged in a plurality of different rows at the face of the spinneret body, and wherein the plurality of different rows are arranged into a plurality of different zones at the face of the spinneret body.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: May 28, 2019
    Assignee: AVINTIV Specialty Materials, Inc.
    Inventors: Sergio Rafael Diaz de Leon Izquierdo, Marcal Bargallo Alabart, John Arthur Street, John F. Steffen, Ralph A. Moody, III
  • MULTI-ZONE SPINNERET, APPARATUS AND METHOD FOR MAKING FILAMENTS AND NONWOVEN FABRICS THEREFROM
    Publication number: 20140103556
    Abstract: A spinneret, apparatus, and method are provided for making filaments for fibrous nonwoven fabrics with more uniform filament and fabric formation while minimizing filament breaks and hard spot defects in webs and fabrics made therefrom. The spinneret has a spinneret body that has an overall length to hydraulic diameter ratio and defines orifices that extend through the spinneret body, wherein the orifices comprise capillaries that open at a face of the spinneret body for polymer filament extrusion therefrom, wherein the capillaries are arranged in a plurality of different rows at the face of the spinneret body, and wherein the plurality of different rows are arranged into a plurality of different zones at the face of the spinneret body.
    Type: Application
    Filed: October 16, 2012
    Publication date: April 17, 2014
    Applicant: POLYMER GROUP, INC.
    Inventors: Sergio Rafael Diaz de Leon Izquierdo, Marcal Bargallo Alabart, John Arthur Street, John F. Steffen, Ralph A. Moody, III