Method and apparatus for laying cable in a pipe
Patent 4822211 Issued on April 18, 1989. Estimated Expiration Date: 
June 24, 2007. 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.
June 24, 2007. 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 References 437126 3403592 Installation of communications cables Patent #: 4647251 InventorsAssigneeApplicationNo. 07/066141 filed on 06/24/1987US Classes:405/183.5, Moving cable within pipe248/71, With support penetrating means405/132, UNDERGROUND PASSAGEWAY, E.G., TUNNEL405/150.1LiningExaminersPrimary: Taylor, Dennis L.Attorney, Agent or FirmInternational ClassesG02B 6/46 (20060101)G02B 6/50 (20060101) G02B 6/44 (20060101) H02G 1/08 (20060101) Foreign Application Priority Data1986-06-25 JPAbstractA cable is previously introduced into a pipe in which the cable is to be laid. A wagon is caused to move through the pipe and the cable is raised up with the aid of an arm disposed at the fore part of the wagon until it abuts against the inner wall of the pipe. The cable is then fixed to the inner wall of the pipe by using fixing means disposed at the rear part of the wagon. | |
