Patent · US Expired

Shaft elements made from molding material

US5398477A · kind A · utility

4Cited by

3References

45Claims

0Family size

Assignee

Georg Prinzing GmbH & Co. KG Betonformen-und Maschinenfabrik · DE

Inventors

Peter Philipp · Glinde, DE
Richard Kraiss · Laichingen, DE

Key dates

Filing date	Jun 25, 1993
Grant date	Mar 21, 1995
Priority date	—
Expiry date	Jun 25, 2013

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE06C9/04
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A shaft element composed of molding material has a shaft member with a hollow interior, and at least one support provided in the interior of the shaft member so that a person can step on the support. The support is an integral component part of the shaft member. The shaft member has an extension, and the support is formed in the region of the extension.

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