Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Aidan F. Kelly0
Cory J. Steckmann0
Douglas Ronald Warren0
Peder Dahl-Nielsen0
Per Lundgren0
Date of Patent
July 19, 2022
0Patent Application Number
170950950
Date Filed
November 11, 2020
0Patent Primary Examiner
A system for repairing an underground pipeline using a light source. A resin soaked tubular liner is inverted within an underground liner. A tubular bladder is subsequently inflated within the tubular liner. A pull line is attached to a free end of the bladder. The light source is attached to the pull line. The bladder pulls with the pull line and light source into the liner as the bladder is inverted within the liner. The light source is subsequently activated and separated from the pull line. The light source is then pulled through the bladder and liner, curing the liner as it moves.
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