Back to results
US 2022/0009154 A1Published application
Tape Winding Apparatus and Method
AssigneePipeline Technique Limited
InventorsIan Pibworth, Anthony Davidson, Robert William Flannery
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneePipeline Technique Limited
InventorsIan Pibworth, Anthony Davidson, Robert William Flannery
Estimating the term…
A tape winding apparatus (1) for winding a tape around a cutback between two factory coated, welded pipes to form a field joint coating, the apparatus comprising a housing (2) having first and second ends and adapted to be mounted over or around the cutback, a tape cassette (62) rotatably mounted within the housing and means (120, 44, 80) for linearly driving the cassette through the housing from a first position adjacent a first end of the housing to a second position adjacent the second end of the housing, a heat source (70) mounted on the cassette for directing heat towards one end of the cutback and the tape as it is wound onto the pipe, and further comprising an additional heat source (150) mounted within the housing adjacent the second end of the housing for directing heat towards the other end of the cutback.
A tape winding apparatus for winding a tape around a cutback between two factory coated, welded pipes to form a field joint coating, the apparatus comprising a housing having first and second ends and adapted to be mounted over or around the cutback, a tape cassette rotatably mounted within the housing and means for linearly driving the cassette through the housing from a first position adjacent a first end of the housing to a second position adjacent the second end of the housing, a heat source mounted on the cassette for directing heat towards one end of the cutback and the tape as it is wound onto the pipe, and further comprising an additional heat source mounted within the housing adjacent the second end of the housing for directing heat towards the other end of the cutback.
A method of forming a field joint over a cutback between the factory applied coatings of two welded pipes comprising the steps of applying a heat source to the first end of the factory applied coating at one side of the cutback, winding a thermoplastic tape onto the end of the factory applied coating at the first side of the cutback, advancing the tape and the heat source linearly along the pipe over the cutback whilst wrapping the tape around the cutback and simultaneously applying a further heat source to the end of the factory applied coating at the other side of the cutback.
Dependencies are inferred from the claim text.