Patent · US Expired

Apparatus for feeding material for a roll mill

US5174511A · kind A · utility

3Cited by

6References

28Claims

0Family size

Assignee

Buhler AG · CH

Inventors

Edgar Ruegger · Arnegg, CH
Josef Huber · Mering, DE
Hugo Hegelbach · Busswil, CH

Key dates

Filing date	Apr 1, 1991
Grant date	Dec 29, 1992
Priority date	—
Expiry date	Apr 1, 2011

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB02C4/286
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Apparatus for feeding particulate material to a roll mill, such as a roll refiner mill, or flaking mill has rollers (1, 2) pressed against each other with the help of a pressure exerting device, and a feeding compartment disposed above the nip (3) for the supply of the material to be ground. The feeding compartment (5) has a supply opening (14), succeeded by a device (11) for supplying mixed material to the rollers (1 and 2). This device is composed of a swivel spout (11) driven backward and forward, substantially lengthwise along the nip (3), by a pivot drive (13).

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