Patent · US Expired

Method of explosively expanding tubes

US3939681A · kind A · utility

5Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1974
Grant dateFeb 24, 1976
Priority date
Expiry dateJun 17, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49806
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

This invention provides a method of securing the tube ends of a plurality of explosively expandable metal tubes to a tube plate in which the tubes are inserted utilizing explosive cartridges equipped with a heat sensitive means. The heat sensitive means is in operative proximity to the explosive charges. There are also provided heating means capable of effectively heating the heat sensitive means. Expansion of the tubes located at multiple positions is effected by successively exploding the charges by the application of heat energy to the heat sensitive means.

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