Patent · US Expired

Tubular connection

US3989284A · kind A · utility

132Cited by
6References
29Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 23, 1975
Grant dateNov 2, 1976
Priority date
Expiry dateApr 23, 1995

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L15/008
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pipe joint includes pin and box members having interengaged threads characterized as producing hoop tension in the pin member and hoop compression in the box members.

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