Patent · US Expired

Coupling for multi-passage tube

US4978148A · kind A · utility

9Cited by
8References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 5, 1988
Grant dateDec 18, 1990
Priority date
Expiry dateAug 5, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S285/906
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A multi-passage tube coupling for coupling a plurality of parallel or concentric tubes or tube passages of a multi-passage tube for supplying a fluid to actuators. The coupling comprises a body and a coupling member, the body having as many passages or holes as the number of the tubes or tube passages of the multi-passage tube. At least one of the tubes or tube passages is coupled to the corresponding actuator through a passage defined in the coupling member.

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