Patent · US Expired

Manufacture of metal tubes

US5119984A · kind A · utility

0Cited by
5References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 1991
Grant dateJun 9, 1992
Priority date
Expiry dateApr 11, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K2101/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An apparatus for forming metal tubes is shown in which a metal strip 2' having a brazing wire 1 bonded to an edge portion thereof passes through the apparatus and is formed by a combination of rollers 17, 17', 19, 19' and dies 15, 24 into a shape defining a tube. A frictional wheel 27 bonds together the two edge portions of the shape defining a tube.

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