Patent · US Expired

Overhead sound attenuating cover for roadways and railways

US4308933A · kind A · utility

3Cited by

3References

11Claims

0Family size

Assignee

Ed. Zublin Aktiengesellschaft · DE

Inventors

Volker Hahn · Echterdingen, DE
Horst Widmann · Arnstorf, DE

Key dates

Filing date	Oct 18, 1979
Grant date	Jan 5, 1982
Priority date	—
Expiry date	Oct 18, 1999

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE01F8/0047
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An overhead sound attenuating cover arrangement comprising a support structure and cover elements operatively arranged on the support structure. The cover includes at least in part between individual cover elements spaces, whereby cover elements in the vicinity of such spaces are arranged in an overlapping manner in such a way that sound emitted at any given point on the roadway is deflected from a straight path when passing through said cover arrangement.

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