Corning has been granted a patent for a fiber optic cable assembly that includes distinct groups of optical fibers, a furcation body, and a pulling grip assembly. The pulling grip assembly is designed to withstand significant tensile loads while being easily removable. GlobalData’s report on Corning gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Corning, Ceramic membrane fuel cells was a key innovation area identified from patents. Corning's grant share as of September 2023 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Fiber optic cable assembly with a cable jacket
A recently granted patent (Publication Number: US11774697B2) describes a fiber optic cable assembly and a method of installing a pulling grip assembly on a fiber optic cable. The fiber optic cable assembly includes a cable jacket and a cover made of expandable mesh material that has an expanded configuration over a tube. The pulling grip assembly includes an end cap positioned over the distal end of the tube, and a pulling band loop and the end region of the cover extend through the end cap. Additionally, there is an end plug that plugs the distal end of the tube. The furcation body of the assembly comprises a shell filled with a polymer material.
The patent also describes a pre-terminated fiber optic cable assembly that includes a cable jacket and a plurality of connection interfaces, which are ferrules terminating distinct groups of optical fibers. Each ferrule can terminate a single group or multiple groups of optical fibers. The optical fiber ribbons collectively comprise at least 2,880 optical fibers, and the pulling grip assembly has a maximum outer diameter of less than 1.34 inches (53 mm). The cable assembly may also include subunits within the cable jacket, with each subunit having a subunit jacket and distinct groups of optical fibers carried within it. The subunit end sections extend from the furcation body, and they can be grouped in pairs with different lengths to create a staggered arrangement of connection interfaces.
The method described in the patent involves installing a pulling grip assembly on a fiber optic cable. This includes positioning a bag over the fiber end sections, securing the bag to the furcation body to form a seal, and positioning a tube over the bag to enclose the fiber end sections. A pulling band is arranged along the outer portion of the tube, forming a loop beyond the distal end. A separate cover is positioned over the tube and the pulling band, with the loop of the pulling band extending beyond the cover. Finally, a clamp is secured around the cable jacket, between the furcation body and the knotted sections of the pulling band, to secure the pulling band and the cover to the cable jacket.
Overall, this patent presents innovations in fiber optic cable assembly and pre-terminated fiber optic cable assembly, as well as a method for installing a pulling grip assembly on a fiber optic cable. These advancements aim to improve the efficiency and reliability of fiber optic cable installations.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
