Patents by Inventor Julien MATTRAND

Julien MATTRAND 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).

  • Device for attaching a doctor blade on a doctor blade chamber and doctor blade chamber thus equipped
    Patent number: 11420436
    Abstract: A device (10) for fastening a doctor blade (3) to a doctor blade (1) chamber body (2) comprising: at least one clamping flange (11) configured to press the doctor blade (3) onto the doctor blade (1) chamber body (2), at least a first fastener (20), and at least one second fastener (30), wherein the first fastener (20) comprises at least a first retaining section (21) having an upper end (21a) and a lower end (21b), a second section (22) different from the first retaining section (21), and wherein the second fastener (30) comprises at least a first portion (31) having at least one retaining element (34a), a second portion (32) having at least one retaining element (34b), an intermediate portion (33) devoid of retaining element and arranged between the first portion (31) and the second portion (32).
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: August 23, 2022
    Assignee: Bobst Lyon
    Inventors: Rene Bazin, Philippe Fleury, Julien Mattrand
  • Main body of a doctor blade chamber, doctor blade chamber thereof and methods of manufacturing same
    Patent number: 11110701
    Abstract: A main body of doctor blade chambers including a first portion configured to hold a first doctor blade, a second portion configured to hold a second doctor blade, a third portion connecting the first portion and the second portion, a cavity intended to receive ink and defined at least by the first portion, the second portion and the third portion, characterized in that the main body is a single closed hollow profile extending along a longitudinal main axis X-X, the main body being made of pultruded composite material.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 7, 2021
    Assignees: BOBST LYON, EPSILON COMPOSITE
    Inventors: René Bazin, Philippe Fleury, Julien Mattrand, Steve Peter Daniel Willems
  • DEVICE FOR ATTACHING A DOCTOR BLADE ON A DOCTOR BLADE CHAMBER AND DOCTOR BLADE CHAMBER THUS EQUIPPED
    Publication number: 20210031506
    Abstract: A device (10) for fastening a doctor blade (3) to a doctor blade (1) chamber body (2) comprising: at least one clamping flange (11) configured to press the doctor blade (3) onto the doctor blade (1) chamber body (2), at least a first fastener (20), and at least one second fastener (30), wherein the first fastener (20) comprises at least a first retaining section (21) having an upper end (21a) and a lower end (21b), a second section (22) different from the first retaining section (21), and wherein the second fastener (30) comprises at least a first portion (31) having at least one retaining element (34a), a second portion (32) having at least one retaining element (34b), an intermediate portion (33) devoid of retaining element and arranged between the first portion (31) and the second portion (32).
    Type: Application
    Filed: April 26, 2019
    Publication date: February 4, 2021
    Applicant: Bobst Lyon
    Inventors: Rene BAZIN, Philippe FLEURY, Julien MATTRAND
  • MAIN BODY OF A DOCTOR BLADE CHAMBER, DOCTOR BLADE CHAMBER THEREOF AND METHODS OF MANUFACTURING SAME
    Publication number: 20200130348
    Abstract: A main body of doctor blade chambers including a first portion configured to hold a first doctor blade, a second portion configured to hold a second doctor blade, a third portion connecting the first portion and the second portion, a cavity intended to receive ink and defined at least by the first portion, the second portion and the third portion, characterized in that the main body is a single closed hollow profile extending along a longitudinal main axis X-X, the main body being made of pultruded composite material.
    Type: Application
    Filed: July 6, 2018
    Publication date: April 30, 2020
    Applicants: BOBST LYON, EPSILON COMPOSITE
    Inventors: René BAZIN, Philippe FLEURY, Julien MATTRAND, Steve Peter Daniel WILLEMS