Patent · US Expired

Exchangeable corrugator

US6485286B1 · kind B1 · utility

3Cited by

5References

27Claims

0Family size

Assignee

Frankische Rohrwerke Gebr. Kirchner GmbH & Co. KG · DE

Inventors

Thomas Hoffmann · Berlin, DE
Rainer Weppert · Haßfurt, DE

Key dates

Filing date	Apr 3, 2000
Grant date	Nov 26, 2002
Priority date	—
Expiry date	Apr 3, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2023/18
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention provides a molding apparatus and particularly a corrugator for manufacturing pipes, particularly corrugated pipes, having at least two series of circulation mold jaw parts, which form a molding channel in a predetermined area, and wherein the series are guided in respective circulation guides. The invention further provides that at least one exchangeable mold jaw parts or mold blocks is provided with another pipe molding wherein at least one exchange member is provided along at least one of the circulation guides of at least one of the mold jaw part series.

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