Plasma sterilization and cleaning treatment device for escalator, and escalator using the same
US9034270B2 · kind B2 · utility
2Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2012 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Dec 8, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Sterilization and cleaning of an escalator hand rail are performed. A sterilization and cleaning device including a hand rail; a plasma source for irradiating the hand rails with ions or radicals or UV light; an enclosure for housing the plasma source; a power source for generating plasma; a fan for generating relatively negative pressure in the enclosure; filter units for removing removed bacteria, viruses, and organic matters such as hand marks; and filter plates located backward and forward of a moving direction of the hand rail in the enclosure along the hand rail is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.