ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,856, issued on Jan. 20.
"Optical fibre cable with multi layered tubes" was invented by Pramod Marru (Haryana, India) and Srinivas Pai (Haryana, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an optical fiber cable (100, 200, 300) comprising a plurality of tubes (104) and a sheath (114) encapsulating the plurality of tubes (104) with a plurality of optical fibers (106). At least one tube of the plurality of tubes (104) has young's modulus that is different from other tubes and the young's modulus that is at least 30% more than young's modulus of the other tubes. In particular, the plurality of tubes (104) is arr...