Patent · US Expired

Cleaning tool for a valve manifold

US4938246A · kind A · utility

11Cited by
10References
5Claims
0Family size

Inventors

Key dates

Filing dateNov 6, 1989
Grant dateJul 3, 1990
Priority date
Expiry dateNov 6, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87885
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A cleaning tool (46) for removable attachment to a valve manifold (10) upon removal of instrumentation (26) therefrom for cleaning the axial bore (29) of the valve manifold (22). The manifold (22) which has a mounting flange (56) supporting the instrument (26) for measuring, monitoring, or recording differential fluid pressures from a main flow line. The cleaning tool (46) has a flange (56) thereon adapted to fit in mating relation against the flange (36) on the valve manifold (22) upon removal of the instrument (26). A cleaning rod (62) of the cleaning tool (46) has an enlarged diameter cleaning member (68) thereon for cleaning the axial bore (29) of the valve manifold (22) upon manual reciprocation of the cleaning rod (62).

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