Patent · US Expired

Process for manufacturing sound absorbing cement tile

US7332114B2 · kind B2 · utility

0Cited by

19References

21Claims

0Family size

Assignee

LaFarge Platres · FR

Inventors

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

Key dates

Filing date	Feb 4, 2005
Grant date	Feb 19, 2008
Priority date	—
Expiry date	Feb 6, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/52
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A continuous process for manufacturing a sound absorbing tile made from a slurry including, quick setting cement, water, fibers and foaming agent, the process including the steps of (i) mixing cementitious material, water, foaming agent but without incorporation of prefabricated foam with fibers into a slurry; subsequently; (ii) injecting and distributing air into the slurry of step (i) to form a cellular slurry; subsequently; (iii) forming tiles or precursor products of tiles from the cellular slurry; and finally; (iv) allowing the cellular slurry to set into the desired tile or a precursor thereof.

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