Patent · US Expired

Annular tube-like driver

US4637436A · kind A · utility

127Cited by
8References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 1985
Grant dateJan 20, 1987
Priority date
Expiry dateNov 5, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF28F2255/04
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Annular tube-like driver for insertion into a tube insert which in turn is inserted into a tube. The driver is made of a shape-memory alloy which is capable of placing the tube insert in firm engagement with the inside of the tube.

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