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公开(公告)号：US11592631B2
公开(公告)日：2023-02-28
申请号：US17139685
申请日：2020-12-31
发明人： Hemanth Kondapalli , Kishore Sahoo
IPC分类号： G02B6/44
摘要： The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres. The plurality of optical fibres has bonded regions and un-bonded regions between adjacent optical fibres of the plurality of optical fibres. The bonded regions have a plurality of bonds. Each bonded region has a bond of the plurality of bonds joining the adjacent optical fibres such that the bond does not cover a top optical fibre region and a bottom optical fibre region of the plurality of optical fibres.
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公开(公告)号：US11353673B2
公开(公告)日：2022-06-07
申请号：US16801536
申请日：2020-02-26
发明人： Hemanth Kondapalli
摘要： Present disclosure provides a method for grouping of a plurality of optical fibers using first coating layer and magnetic coating layer. The method of the present disclosure includes the step of coating of each of the plurality of optical fibers with a first coating layer and the step of coating of each of the plurality of optical fibers with a magnetic coating layer. Further, the method includes the step of applying magnetic field over the plurality of optical fibers for grouping of the plurality of optical fibers in a predefined manner. Furthermore, the first coating layer serves as a shock absorber to protect the plurality of optical fibers from physical damage.
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公开(公告)号：US20210072475A1
公开(公告)日：2021-03-11
申请号：US16803070
申请日：2020-02-27
IPC分类号： G02B6/44
摘要： A buffer tube for an optical fiber cable provided by the present disclosure includes an optical fiber ribbon stack, a first layer, a second layer, an optical fiber cable, a central strength member, a plurality of buffer tubes, a water blocking layer, and a sheath and plurality of rip cords. The first layer is an inner layer of the buffer tube. The first layer is made of a soft material. The soft material of the first layer is one of low smoke zero halogen, thermoplastic elastomers and thermoplastic polyurethane. The second layer is an outer layer of the buffer tube. The second layer surrounds the first layer. The second layer is made of a hard material. The hard material of the second layer is one of polypropylene, polybutylene terephthalate, and nylon.
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公开(公告)号：US11156791B2
公开(公告)日：2021-10-26
申请号：US16801606
申请日：2020-02-26
IPC分类号： G02B6/44
摘要： The present disclosure provides a stacking arrangement of an optical fiber ribbon in a buffer tube of an optical fiber cable. The stacking arrangement includes optical fiber ribbon stack, first bendable optical fiber ribbon, second bendable optical fiber ribbon, third bendable optical fiber ribbon, fourth bendable optical fiber ribbon and optical fiber ribbons. The optical fiber ribbon stack includes at least four corners. Each optical fiber at the corresponding four corners of the optical fiber ribbon stack is a bend insensitive optical fiber. One or more optical fibers are placed adjacent to each other at the corresponding four corners of the optical fiber ribbon stack.
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公开(公告)号：US20210116658A1
公开(公告)日：2021-04-22
申请号：US16802852
申请日：2020-02-27
IPC分类号： G02B6/44
摘要： The optical fibre ribbon provided by the present disclosure includes a plurality of optical fibres and a matrix material. In addition, each of the plurality of optical fibres is arranged in a linear array in the optical fibre ribbon. Further, each of the plurality of optical fibres includes a core and a cladding. Furthermore, the matrix material of the optical fibre ribbon acts as a covering for the plurality of optical fibres. Furthermore, the matrix material of the optical fibre ribbon is characterised by thickness.
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公开(公告)号：US20210063663A1
公开(公告)日：2021-03-04
申请号：US16801568
申请日：2020-02-26
IPC分类号： G02B6/44
摘要： The method provided by the present disclosure is for performing curing during manufacturing of an optical fibre ribbon. The method of the present disclosure performs a first stage of curing and a second stage of curing 200 on a matrix material of the optical fibre ribbon. The first stage of curing is performed using a ribbon die and one or more ultraviolet light emitting diode (UV LED) units. Further, the second stage of curing is performed using a source of the one or more ultraviolet lamps (UV lamps) in an UV chamber.
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公开(公告)号：US20210048589A1
公开(公告)日：2021-02-18
申请号：US16993194
申请日：2020-08-13
IPC分类号： G02B6/44
摘要： The present disclosure provides an optical fibre ribbon. The optical fibre ribbon includes a plurality of optical fibres bonded with a matrix material. The matrix material is applied along a longitudinal length of the plurality of optical fibres. Further, the plurality of optical fibres is defined by a geometrical centre and diameter. Further, the plurality of optical fibres has a predefined distance between geometrical centres of any two adjacent optical fibres of the plurality of optical fibres. Moreover, the predefined distance between geometrical centres of any two adjacent optical fibres of the plurality of optical fibres is less than 200 microns. Further, the optical fibre ribbon provides the optical fibre ribbon cable that is flexible and easy to install in space constraint regions and allows ribbons to bend easily at non-preferential axis. Furthermore, the optical fibre ribbon with reduced weight and with high mass fusion splicing capability.
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公开(公告)号：US11953749B2
公开(公告)日：2024-04-09
申请号：US17139706
申请日：2020-12-31
发明人： Hemanth Kondapalli , Atulkumar Mishra , Akhil Garg
IPC分类号： G02B6/44
CPC分类号： G02B6/447
摘要： The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres such that adjacent optical fibre of the plurality of optical fibres is bonded intermittently along the length by a plurality of bonds. The plurality of bonds is defined by a plurality of colours. The plurality of bonds may form a predefined pattern. The predefined pattern may be used for identification of the intermittently bonded optical fibre ribbon.
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公开(公告)号：US20210278617A1
公开(公告)日：2021-09-09
申请号：US17139685
申请日：2020-12-31
发明人： Hemanth Kondapalli , Kishore Sahoo
IPC分类号： G02B6/44
摘要： The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres. The plurality of optical fibres has bonded regions and un-bonded regions between adjacent optical fibres of the plurality of optical fibres. The bonded regions have a plurality of bonds. Each bonded region has a bond of the plurality of bonds joining the adjacent optical fibres such that the bond does not cover a top optical fibre region and a bottom optical fibre region of the plurality of optical fibres.
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公开(公告)号：US20210271039A1
公开(公告)日：2021-09-02
申请号：US17139508
申请日：2020-12-31
发明人： Hemanth Kondapalli , Swapnil Sharma , Sharun Kuhar , Aparna Nath , Vikash Shukla , Bhaskar Sarkaar
IPC分类号： G02B6/44
摘要： The present disclosure provides an intermittently bonded optical fibre ribbon. The intermittently bonded optical fibre ribbon includes a plurality of optical fibres. The plurality of optical fibres are bonded intermittently along the length by a plurality of bonded portions spaced apart by a plurality of un-bonded portions. The plurality of bonded portions is defined by a bonded length Li and the plurality of un-bonded portions is defined by an un-bonded length. In addition, at least one of the bonded length Li and the un-bonded length varies along a predefined length of adjacent optical fibres of the plurality of optical fibres.
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