Patent · US Active

Apparatus for manufacturing set cellular cement

US8517594B2 · kind B2 · utility

1Cited by

28References

15Claims

0Family size

Assignee

Lafarge SA · FR

Inventors

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

Key dates

Filing date	Aug 15, 2008
Grant date	Aug 27, 2013
Priority date	—
Expiry date	Feb 3, 2030

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.