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Patent: "Flat composite fabric with memory-metal
and its applications"


Registered
in Germany (DE 195 29 500 C2),
in Europe (EP 961 12 965.7) and
in the USA (US 732,927-08)

Priority 10.08.1995

Inventor and patent holder: Dr. V. Prieb

Abstract:

Object of the invention:
A flat composite fabric comprising a flat fabric and wires which are permanently incorporated therein and which are made of an alloy possessing shape memory properties (memory fabric) and its application in the medicine, aeronautic and space technology. A one of this application ? massage device ? is especially suitable for the fitness aims at home.

Manufacturing of the flat composite fabric:
Memory-metal wires are incorporated between two flat layers of a conventional elastic fabric in a sandwich configuration. This can be done by means of ultrasonic welding, for example. The ends of memory wires are electrical contacts and connected with an electrical current source.

Properties of the memory fabric:
The memory fabric is very soft at the room temperature and can be easy tensed. At the heating the memory fabric contracts and press on the body.

Applications:

1. Passive compression bandages and support dressing:

2. Active massage devices as a gradient systems and pressure suits for pilots and astronauts:


More:

Patent full script, english, PDF-file