Patent · US Expired

Corrosion coupon holder apparatus

US4179920A · kind A · utility

20Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 1978
Grant dateDec 25, 1979
Priority date
Expiry dateFeb 23, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N17/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A pipeline corrosion coupon holder apparatus for large diameter pipelines which has a coupon housing assembly mounted adjacent the pipeline with the coupon housing assembly allowing access to a coupon withdrawn from the pipeline for removal and replacement of the coupon through the coupon housing assembly without removal of the coupon through a shaft housing assembly which has a reciprocally mounted shaft for insertion and retrieval of the coupon from the large diameter pipeline.

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