The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Nov. 19, 2021
Bühler Ag, Uzwil, CH;
Daniel Mark, Wil, CH;
Daniel Rickenbach, Wittenwil, CH;
Stefan Salzmann, Rapperswil, CH;
Daniel Doerig, Frauenfeld, CH;
Beno Chialina, Henau, CH;
Bühler AG, Uzwil, CH;
Abstract
The present invention relates to a roll frame, comprising a product inlet, a grinding chamber with grinding rolls, into which grinding chamber bulk material to be ground can pass from the product inlet, and a product outlet unit which is arranged below the grinding chamber and into which product from the grinding chamber can pass, wherein the product outlet unit comprises a hopper which has a conveying worm in its lower region which is remote from the grinding chamber, wherein the conveying worm has two portions which convey in opposite directions, in order to convey product out of the lower region of the hopper to an outlet opening in the bottom region of the hopper.