Patent · US Expired

Stirring apparatus

US4575253A · kind A · utility

7Cited by

11References

8Claims

0Family size

Assignee

Dipl. Ing. H. List Industrielle Verfahrenstechnik · CH

Inventors

Jorg List · Pratteln, CH
Alfred Kunz · Muttenz, CH

Key dates

Filing date	Nov 22, 1983
Grant date	Mar 11, 1986
Priority date	—
Expiry date	Nov 22, 2003

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01F27/60
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The stirrer vessel and stirrer shaft of a stirring apparatus are heated and carry an enamel coating on the surfaces coming into contact with the product. In order to prevent destruction of this enamel coating when the stirrer shaft is severely stressed, elastic intermediate members are arranged between a rigid support shaft and a shaft casing. The stuffing box is also held on the stirrer vessel by a further elastic intermediate member. An elastic packing between the fixed part of the stirrer vessel and the vessel cover fixed to the drive casing balances forces which are transferred from the vessel wall to the drive casing.

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