Patent · US Expired

Method and apparatus for the production of structural foam, particularly cement foam

US5393341A · kind A · utility

3Cited by

1References

19Claims

0Family size

Assignee

RUME Maschinenbau GmbH · DE

Inventors

Dieter Meier · Bad Nenndorf, DE
Heinz Ruppert · Wolframs-Eschenbach, DE

Key dates

Filing date	Dec 23, 1993
Grant date	Feb 28, 1995
Priority date	—
Expiry date	Dec 23, 2013

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01F25/311
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for the production of structural foam from air, water, foaming agent and an aggregate, particularly cement foam, for which cement slurry is blown under high pressure into a mixing chamber and mixed with a foaming agent and the mixture immediately thereafter is conveyed to an expansion nozzle, into which metered amounts of compressed air are blown.

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