Patent · US Expired

Thermoplastic liner pipe for potable water

US6241840A · kind A · utility

10Cited by
23References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1998
Grant dateJun 5, 2001
Priority date
Expiry dateMay 1, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2023/22
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An invention is disclosed which relates to a process for producing a glass reinforced potable water pressure pipe having an ultra thin inner layer of thermoplastic resin that is made via a continuous mandrel concept and which is ideally suited for use with potable water.

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