Patent · US Active

Method of preparing a bidirectional shape-memory actuator and method of its use

US9919470B2 · kind B2 · utility

3Cited by

1References

12Claims

0Family size

Assignee

Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH

Inventors

Marc Behl · Berlin, DE
Karl Kratz · Berlin, DE
Srinivasa Reddy Chaganti · Newbridge, IE
Ulrich Noechel · Berlin, DE
Tilman Sauter · Berlin, DE
Andreas Lendlein · Berlin, DE

Key dates

Filing date	Jun 17, 2014
Grant date	Mar 20, 2018
Priority date	—
Expiry date	Jun 17, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2007/008
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention is directed to a method of preparing an actuator capable of being repeatedly and reversibly shifted between two freestanding shapes (A, B) under stress-free conditions upon varying a temperature between a temperature Tlow and a temperature Tsep. The method comprising the steps:

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