Patent · US Active

Process and apparatus for manufacturing set cellular cement

US8119207B2 · kind B2 · utility

16Cited by

23References

32Claims

0Family size

Assignee

LaFarge Platres · FR

Inventors

Michel Rigaudon · Caromb, FR
Jorg Bold · Kaiserslautern, DE
Steven Roy Butler · Le Thor, FR
Eric Millamon · Mondeville, FR

Key dates

Filing date	Feb 4, 2005
Grant date	Feb 21, 2012
Priority date	—
Expiry date	Feb 21, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/0062
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A process for manufacturing set cellular cement, including the steps of: (i) mixing cementitious material, water, foaming agent and optionally additives into a free flowing slurry having a slump of at least 100 mm; subsequently (ii) injecting and distributing air into the slurry of step (i) to form a cellular slurry; subsequently (iii) casting the cellular slurry of step (ii); and finally allowing the cellular slurry to set. And, an apparatus for carrying out the process.

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