Patent · US Active

Adjustable width mold

US11339541B2 · kind B2 · utility

0Cited by

25References

24Claims

0Family size

Assignee

Wirtgen GmbH

Inventors

Harry Wenzelmann · Alpenrod, DE
Winfried von Schönebeck · Kalenborn, DE
Michael Engels · Montabaur, DE

Key dates

Filing date	Oct 20, 2020
Grant date	May 24, 2022
Priority date	—
Expiry date	Feb 9, 2041

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE01C2301/18
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An adjustable width mold apparatus for a slipform paver includes a center portion and left and right sideform assemblies. The center portion has left and right lateral ends. Left and right adjustable width support assemblies are connected between the sideform assemblies and the center portion. One or more spacers may be received between each sideform assembly and the center portion to adjust the width of the mold apparatus. The spacers may be hung on a plurality of hanger rods. Each of the hanger rods may have a hydraulic nut on one end thereof for clamping the spacers between the sideform assembly and the center portion.

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