Patents by Inventor Jean-Marc Testu
Jean-Marc Testu 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).
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Patent number: 10948679Abstract: The invention concerns a method of SZ stranding into one strand a bundle of two or more flexible micromodules, each micromodule comprising one or more optical fibers. A first pulley is located with its winding surface adjacent to a longitudinal axis of a cabling line. The bundle of micromodules is guided over the winding surface of the first pulley, the first pulley being rotating around the longitudinal axis of the cabling line. The rotational speed, or the rotational direction of the first pulley, is alternating.Type: GrantFiled: April 9, 2015Date of Patent: March 16, 2021Assignee: DRAKA COMTEQ BVInventors: Jean-Marc Testu, Jean-Pierre Bonicel, Olivier Tatat
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Patent number: 10330879Abstract: A method of manufacturing an aerial micromodule cable with excess length of an optical core is disclosed, the cable comprising a cable jacket defining a cavity in which the optical core is arranged, said cable having two rigid strength members embedded in the wall of the jacket; the method comprising guiding the cable over a wheel; wherein a first plane (P1) intersecting the center of gravity (C1) of the cable cavity is parallel to a second plane (P2) intersecting the two rigid strength members, said first and second planes (P1, P2) being offset from each other, and wherein, during said guiding, the two rigid strength members are positioned closer to the wheel than the first plane (P1) so as to cause the optical core to have a core excess length of at least 0.05%.Type: GrantFiled: June 26, 2015Date of Patent: June 25, 2019Assignee: DRAKA COMTEQ B.V.Inventors: Olivier Tatat, Jean-Marc Testu
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Publication number: 20180172937Abstract: A method of manufacturing an aerial micromodule cable with excess length of an optical core is disclosed, the cable comprising a cable jacket defining a cavity in which the optical core is arranged, said cable having two rigid strength members embedded in the wall of the jacket; the method comprising guiding the cable over a wheel; wherein a first plane (P1) intersecting the centre of gravity (C1) of the cable cavity is parallel to a second plane (P2) intersecting the two rigid strength members, said first and second planes (P1, P2) being offset from each other, and wherein, during said guiding, the two rigid strength members are positioned closer to the wheel than the first plane (P1) so as to cause the optical core to have a core excess length of at least 0.05%.Type: ApplicationFiled: June 26, 2015Publication date: June 21, 2018Inventors: Olivier Tatat, Jean-Marc Testu
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Publication number: 20180088294Abstract: The invention concerns a method of SZ stranding into one strand a bundle of two or more flexible micromodules, each micromodule comprising one or more optical fibers. A first pulley is located with its winding surface adjacent to a longitudinal axis of a cabling line. The bundle of micromodules is guided over the winding surface of the first pulley, the first pulley being rotating around the longitudinal axis of the cabling line. The rotational speed, or the rotational direction of the first pulley, is alternating.Type: ApplicationFiled: April 9, 2015Publication date: March 29, 2018Inventors: Jean-Marc TESTU, Jean-Pierre BONICEL, Olivier TATAT
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Patent number: 8805143Abstract: Disclosed is a reduced-diameter optical-fiber cable that possesses a high fiber count and a high cable fiber density.Type: GrantFiled: October 19, 2010Date of Patent: August 12, 2014Assignee: Draka Comteq, B.V.Inventors: Olivier Tatat, Jean-Marc Testu
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Patent number: 8750665Abstract: A buffered optical fiber (10) comprises a central core (11) surrounded by an optical cladding (12), a coating (13) surrounding the optical cladding, a protective buffer (15) surrounding the coating and an intermediate layer (14) between the coating and the protective buffer. The intermediate layer consists of hot melt seal and peel material. The intermediate layer (14) may be extruded in tandem with the outer protective buffer (15).Type: GrantFiled: January 16, 2009Date of Patent: June 10, 2014Assignee: Draka Comteq B.V.Inventors: Jean Marc Testu, Olivier Tatat
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Patent number: 8467650Abstract: Disclosed is an improved optical fiber possessing a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses. The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness. The secondary coating provides improved ribbon characteristics for structures that are robust, yet easily entered (i.e., separated and stripped). The optical fibers in accordance in the present invention may be incorporated into a reduced-diameter optical-fiber cable that possesses a high fiber count and a high cable fiber density.Type: GrantFiled: October 19, 2010Date of Patent: June 18, 2013Assignee: Draka Comteq, B.V.Inventors: Bob J. Overton, Olivier Tatat, Jean-Marc Testu
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Patent number: 8346040Abstract: A buffered optical fiber structure includes an optical fiber, a mechanical reinforcement member extending along the optical fiber, a protective sheath having a cavity containing the optical fiber and the mechanical reinforcement member, and an intermediate material contacting the protective sheath and surrounding the optical fiber and the mechanical reinforcement member.Type: GrantFiled: December 11, 2009Date of Patent: January 1, 2013Assignee: Draka Comteq, B.V.Inventors: Jean-Marc Testu, Olivier Tatat
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Publication number: 20110103754Abstract: A buffered optical fiber (10) comprises a central core (11) surrounded by an optical cladding (12), a coating (13) surrounding the optical cladding, a protective buffer (15) surrounding the coating and an intermediate layer (14) between the coating and the protective buffer. The intermediate layer consists of hot melt seal and peel material. The intermediate layer (14) may be extruded in tandem with the outer protective buffer (15).Type: ApplicationFiled: January 16, 2009Publication date: May 5, 2011Applicant: DRAKA COMTEQ B.V.Inventors: Jean Marc Testu, Olivier Tatat
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Publication number: 20110091171Abstract: Disclosed is a reduced-diameter optical-fiber cable that possesses a high fiber count and a high cable fiber density.Type: ApplicationFiled: October 19, 2010Publication date: April 21, 2011Applicant: DRAKA COMTEQ B.V.Inventors: Olivier Tatat, Jean-Marc Testu
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Publication number: 20110069932Abstract: Disclosed is an improved optical fiber possessing a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses. The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness. The secondary coating provides improved ribbon characteristics for structures that are robust, yet easily entered (i.e., separated and stripped). The optical fibers in accordance in the present invention may be incorporated into a reduced-diameter optical-fiber cable that possesses a high fiber count and a high cable fiber density.Type: ApplicationFiled: October 19, 2010Publication date: March 24, 2011Applicant: DRAKA COMTEQ, B.V.Inventors: Bob J. Overton, Olivier Tatat, Jean-Marc Testu
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Publication number: 20100150505Abstract: A buffered optical fiber structure includes an optical fiber, a mechanical reinforcement member extending along the optical fiber, a protective sheath having a cavity containing the optical fiber and the mechanical reinforcement member, and an intermediate material contacting the protective sheath and surrounding the optical fiber and the mechanical reinforcement member.Type: ApplicationFiled: December 11, 2009Publication date: June 17, 2010Applicant: DRAKA COMTEQ, B.V.Inventors: Jean-Marc Testu, Olivier Tatat