Magnetorheological nanocomposite elastomer for releasable attachment applications

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7020938
SERIAL NO

10826200

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof whereas the hook portion includes a support and a plurality of closely spaced upstanding hook elements extending from one side thereof. When the hook portion and loop portion are pressed together they interlock to form a releasable engagement. The resulting joint created by the engagement is relatively resistant to shear and pull forces and weak in peel strength forces. The hook elements are formed of a magnetorheological elastomer that provides a change in shape orientation and/or flexural modulus of the hook elements. In this manner, the shape orientation and/or flexural modulus of the hook elements can be remotely changed to provide a reduction or magnification in the shear and/or pull-off forces in addition to providing variable damping capabilities to the fastener system.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
GM GLOBAL TECHNOLOGY OPERATIONS LLCDETROIT, MI13103

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Golden, Mark A Washington, MI 37 249
Ottaviani, Robert A Anthem, AZ 15 133
Ulicny, John C Oxford, MI 70 547

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