Patent · US Expired

Rotary drum

US4168915A · kind A · utility

1Cited by

5References

7Claims

0Family size

Assignee

Ed. Zublin Aktiengesellschaft · DE

Inventors

Volker Hahn · Echterdingen, DE
Gustav Moritz · Bad Liebenzell, DE
Paul Jetter · Wien, AT

Key dates

Filing date	Jul 27, 1977
Grant date	Sep 25, 1979
Priority date	—
Expiry date	Jul 27, 1997

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A rotary drum for treating, especially upgrading, waste material, which includes a cylindrical mantle with an inlet and an outlet respectively provided at opposite ends of the drum and which is provided with annular guides for supporting the drum on stationary supports. The inner wall of the drum is made of concrete.

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