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US 2026/0042136 A1Published application
Manufacturing method of water tank
AssigneeLG Electronics Inc.
InventorsMyungjin Ku, Kyoha Keum, Kunyoung Lee, Donggun Lee, Jihye Jeon
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Abstract
The method for manufacturing the water tank according to the present disclosure includes: producing an upper cylinder of a water tank; producing a lower cap of the water tank; welding the upper cylinder and the lower cap; a first polishing step of using sandpaper having a first grit range; and a second polishing step of using sandpaper having a second grit range having a larger grit than the sandpaper having the first grit range.
Claims15
A method for manufacturing a water tank mounted on a humidifier, the method comprising:
- producing an upper cylinder of a water tank;
- producing a lower cap of the water tank;
- welding the upper cylinder and the lower cap;
- a first polishing step using sandpaper having a first grit range;
- and
- a second polishing step using sandpaper having a second grit range larger than the first grit range.
3 more elements
Dependencies are inferred from the claim text.