Patent · US Expired

Pipe repair and replacement apparatus and method

US6336472B1 · kind B1 · utility

3Cited by
12References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2000
Grant dateJan 8, 2002
Priority date
Expiry dateNov 15, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/0441
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pipe replacement apparatus includes a housing having upper and lower walls that are sealed together about a pipe section to be replaced; on the interior surfaces of the walls, tracks are provided for clamps with engage the original pipe and also carry the replacement section; cutting devices are provided operable through one of the walls to sever the original pipe and the clamps are gear driven to be shiftable to move the cut portion out of line and move the replacement section into line; sealing collars are carried on the replacement pipe portion and manipulated to engage the pipe portions to be sealed thereto.

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