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US 2020/0049427 A1Published application
Fin-Assembled Tube Manufacturing Method and Double Tube Manufacturing Method
AssigneeCalsonic Kansei Corporation
InventorHiroyuki Oono
Life of this patent
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Abstract
In a method of manufacturing a fin-assembled tube by arranging a helical fin in an interior of a tube, a plate-shaped fin material is inserted into the interior of the tube and the helical fin is formed by twisting the fin material in the interior of the tube.
Claims11
A method of manufacturing a fin-assembled tube by arranging a helical fin in an interior of a tube, comprising:
- a step of inserting a plate-shaped fin material into the interior of the tube;
- and
- a step of forming the helical fin by twisting the fin material in the interior of the tube.
Dependencies are inferred from the claim text.