Patent · US Expired

Flexible rubber tube having rigid plastic branch connection

US5248171A · kind A · utility

12Cited by
12References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 11, 1990
Grant dateSep 28, 1993
Priority date
Expiry dateSep 11, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S285/921
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

In a method for producing devices such as branch connections or similar on flexible tubes or pipes, particularly those with a rubber base, a rigid core is placed inside said tube or pipe intended to support it and a branch connection or similar is molded in situ on the tube or pipe by injection of plastic material of thermoplastic or thermosetting type, the branch connection grips round said tube or pipe on the external face thereof and is adhered thereto by the very effect of molding.

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