Device for frothing milk, comprising means for preventing blockage of an air restriction by milk residue
US8794128B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2009 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Nov 17, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/4485
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A device for performing a process of treating a liquid including a detachably arranged liquid treating unit and a basic part which is suitable for receiving and accommodating the liquid treating unit. The liquid treating unit has an air restriction for taking in air to be used in the liquid treating processes, wherein the air restriction includes a pin and a hole for receiving the pin. The pin is rotatably arranged in the hole, and means are provided for causing a rotation of the pin in case of a movement of the liquid treating unit relative to the liquid treating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.