Patent · US Expired

Methods for coating pipe comprising using cement compositions comprising high tensile strength fibers and/or a multi-purpose cement additive

US7217441B2 · kind B2 · utility

14Cited by
28References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2003
Grant dateMay 15, 2007
Priority date
Expiry dateDec 17, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/249932
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Among the methods provided is a method of coating the interior of a pipe comprising: providing a pipe having an interior surface; providing a cement composition comprising a cement component and high tensile strength fibers and/or a multi-purpose cement additive; coating the cement composition onto the interior surface of the pipe; and allowing the cement composition to set.

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