Patent · US Expired

Method for reclaiming internal pipe mineral buildup

US5197173A · kind A · utility

2Cited by
11References
6Claims
0Family size

Inventors

Key dates

Filing dateFeb 7, 1992
Grant dateMar 30, 1993
Priority date
Expiry dateFeb 7, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/0267
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Short pipe sections having mineral material deposit buildup therein are forced toward and upon a diametric wedge-type blade by a hydraulic ram, there being provided a guide for maintaining proper orientation of the pipe section being cut between the ram and the cutting blade.

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