Patent · US Active

Device and method for dispersing solids, liquids and gases in an extruder

US11045977B2 · kind B2 · utility

0Cited by

7References

11Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

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

Key dates

Filing date	Dec 14, 2016
Grant date	Jun 29, 2021
Priority date	—
Expiry date	May 8, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C48/435
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Device and method for dispersing solids, liquids and gases in an extruder, having at least one shaft (1) and one housing (2), wherein at least one disk (4) with recesses is attached to the shaft, which at least one disk co-rotates with the shaft, and a non-co-rotating disk (3) is arranged immediately adjacent to the disk either in a product flow direction or counter to the product flow direction, which non-co-rotating disk likewise has recesses, and wherein the co-rotating disk is connected to the rotating shaft and has a gap (14) with respect to the housing, and the non-co-rotating disk is connected to the housing and has a gap (15) with respect to the rotating core shaft.

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