Vacuum coffee maker
US4793245A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 3, 1988 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Mar 3, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/047
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum coffee maker including; a first container having a handle on the outer periphery and an opening on the top thereof, a second container in a funnel shape having a handle on the outer periphery thereof and engaging the opening of the first container in a sealed state by a gasket interposed therebetween, wherein the bottom is vertically provided with a pipe, an engagement retaining means, whereby the engagement of the first container with the second container is retained by the gasket being compressed and interposed therebetween, and a heating means having a heater and a heating plate whose outer dimension is greater than that of the bottom of the first container, whereby a liquid inside the first container which is to be mounted on the heating plate is heated, and a control valve which is provided inside the handle of the second container and opened or closed by a shape-memory alloy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.