Patent · US Active

Method and device for pressing

US8079304B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

HARBURG-FREUDENBERGER MASCHINENBAU GMBH · DE

Inventors

Thorsten Homann · Hamburg, DE
Jens Schulz · Schenefeld, DE
Roman Zmuszinski · Hamburg, DE

Key dates

Filing date	Oct 29, 2008
Grant date	Dec 20, 2011
Priority date	—
Expiry date	Mar 26, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11B1/102
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method and a device for pressing a liquid extract from a material to be pressed include a screw press which conveys the material to be pressed along a pressing route and applies pressure to it. In addition, at least one extracting agent is added to the material to be pressed and is removed, together with the extract, from the pressed material. The extracting agent is supplied to the material to be pressed in an amount that is no more than twice the weight of the extract contained in the material to be pressed. At least a portion of the extracting agent dissolves in the extract.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.