Patent · US Expired

Troughs for wet removal of asbestos from piping

US4815488A · kind A · utility

2Cited by
12References
4Claims
0Family size

Inventor

Key dates

Filing dateJul 6, 1987
Grant dateMar 28, 1989
Priority date
Expiry dateJul 6, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S118/11
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Device for use in wet removable of asbestos from pipes comprising a trough having end wall semi-circular recesses for receiving pipes, means for securing the troughs on pipes in manner which allows poured-in aqueous solution to completely immerse pipes and sealing means to prevent leakage of said solution from spaces between semi-circular recesses and pipe.

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