Cable erection technique and cable erection coil
Patent 6505818 Issued on January 14, 2003. Estimated Expiration Date: 
August 18, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 18, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSpiral hanger for a cable and method of installing a cable using the same Patent #: 5727777 Inventors
AssigneeApplicationNo. 641883 filed on 08/18/2000US Classes:254/134.3R, METHOD OR APPARATUS FOR PLACEMENT OF CONDUCTIVE WIRE254/134.3CL, Cable lashing254/134.3PAUtility pole guideExaminersPrimary: Watson, Robert C.Attorney, Agent or FirmInternational ClassE21C 029/16Foreign Application Priority Data2000-03-13 JPAbstractThe present invention concerns a cable erection technique using a plastically deformable coil comprising a metal wire formed in a spiral shape and synthetic resin coated on a surface of the metal wire, wherein said coil is inserted outside around a tensile line drawn between utility poles, the coil is elongated until its plastic deformation for forming a series of cable arrangement spaces inside the spiral, and a cable is extended, added or extracted through the cable arrangement space. | |
