Siecor Corporation

Harvey R McDowell

Samuel D Nave

Douglas J Blew

An optical service cable includes a core tube containing a stack of optical ribbons and a filling compound. The filling compound may include a flame-retardant material, such as magnesium hydroxide or aluminum trihydrate.

Optical fiber service cable

Disclosed is a fiber optic cable in which a plurality of buffer tubes each contain optical fibers and a filling compound. The cable outer jacket and the coating on a central member are each made from a flame resistant plastic material. The cable has an NEC listing of OFNR.

Riser optical cable having filling compound

Improved sheaves to be placed on utility or telephone poles or towers to facilitate aerial installation of messenger cable systems, such systems comprising a strength messenger having a communication cable helically wrapped around the messenger.

Growing community of inventors

Hickory, NC, United States of America

Harvey R McDowell