Ultrasonic cleaning equipment and ultrasonic cleaning method
US11052433B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Mar 27, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/205
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An ultrasonic cleaning equipment (1) according to the present invention includes a treatment tank (10) that stores a cleaning liquid that cleans an object to be cleaned and in which the object to be cleaned is immersed; an ultrasonic application mechanism (20) that applies ultrasonic waves to the cleaning liquid retained in an interior of the treatment tank; and a curved surface member (30) that is located in a range defined by an angle of inclination from a perpendicular direction in an end portion of a vibrating surface of the ultrasonic application mechanism to an outside with respect to the vibrating surface and that is held on a wall surface and/or a bottom surface of the treatment tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.