Optical fiber ribbon duct cable

US11143835B2 · kind B2 · utility

Assignee

• Sterlite Technologies Limited · IN

Inventors

• Sravan Kumar · Deo, IN
• Kishore Sahoo · Gurugram, IN
• Venkatesh Murthy · Jamkhed, IN
• Atul Mishra · Gurugram, IN
• Pavan Kumar Moturu · Aurangabad, IN
• Gahininath Shinde · Gurugram, IN
• Mahesh Deshpande · Gurugram, IN
• Kangabam Tenzing · Aurangabad, IN

Key dates

• Filing date: Aug 22, 2018
• Grant date: Oct 12, 2021
• Expiry date: Aug 22, 2038

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/567
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

The present disclosure provides an optical fiber cable. The optical fiber cable includes a plurality of optical fibers lying substantially along a longitudinal axis of the optical fiber cable. Further, the optical fiber cable includes a first layer surrounding the plurality of optical fibers. Furthermore, the optical fiber cable includes a second layer surrounding the first layer. Furthermore, the optical fiber cable includes a third layer surrounding the second layer. Moreover, the optical fiber cable includes a fourth layer surrounding the third layer. The first layer is a water blocking tape. The second layer is a buffer tube layer made of polyethylene material and foamed with master batch. The third layer is a water blocking tape. The fourth layer is a sheath made of polyethylene material. Moreover, the fourth layer has a plurality of strength members embedded inside the fourth layer.