Patent · US Expired

Electrically conducting plastic pipe system

US4120325A · kind A · utility

20Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 7, 1976
Grant dateOct 17, 1978
Priority date
Expiry dateJan 7, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S285/918
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A conducting plastic pipe system comprising a male plastic pipe part and a female plastic pipe part with conducting covering layers which are interconnected by means of a conducting sealing ring between the male and female part. In case of outer covering layers on the pipe part the covering layer extends onto the inner side of the muff end of the female pipe part.

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