Washing machine and method of manufacturing washing tub being provided therein
US9951453B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2014 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Jan 18, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/496
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A washing machine may include a washing tub that is capable of improving washing effect. The washing machine includes: a casing; a washing tub installed in the casing; a plurality of concave sides formed to be recessed into an inner side surface of the washing tub; and a plurality of protrusions that protrude in an inward direction of the washing tub and include a plurality of first protrusions formed on the plurality of concave sides. A frictional force with laundry is generated using a washing tub including the plurality of protrusions and the plurality of concave sides so that a washing force can be enhanced and a flow of washing water can be guided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.