Patent · US Active

Mixing elements having an improved dispersing effect

US10207424B2 · kind B2 · utility

1Cited by

2References

18Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Michael Bierdel · Leverkusen, DE
Thomas König · Nuremberg, DE

Key dates

Filing date	Jul 9, 2015
Grant date	Feb 19, 2019
Priority date	—
Expiry date	Oct 26, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/10
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention relates to mixing elements that have a larger number of basic geometric periods per section and an improved dispersing effect for multi-shaft screw extruders comprising screw shafts that co-rotate in pairs. The invention further relates to the use of the mixing elements in multi-shaft screw extruders, a corresponding screw extruder comprising the mixing elements, and a method for extruding kneadable materials.

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