Patent · US Expired

Permitting two adjacent pipe lengths to be joined together

US5967698A · kind A · utility

8Cited by
10References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 4, 1997
Grant dateOct 19, 1999
Priority date
Expiry dateMar 4, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C66/71
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method for permitting the joining together of two adjacent pipe lengths with adjacent ends curving with substantially the same sense, the method comprising rotating the end of one of the pipe lengths about its axis until it curves in substantially the opposite sense to the curve of the adjacent end of the other pipe length.

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