Releasable fastener system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7146690
SERIAL NO

10305375

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ATTORNEY / AGENT: (SPONSORED)

Importance

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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. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements extending from one side thereof, wherein the plurality of hook elements comprises or incorporates a shape memory alloy fiber. 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. Introducing a thermal activation signal to the plurality of hook elements causes a change in shape orientation, flexural modulus property, or a combination thereof that effectively reduces the shear and/or pull off forces in the releasable engagement. In this manner, disengagement of the releasable fastener system provides separation of the hook portion from the loop portion under controlled conditions. Also disclosed herein are processes for operating the releasable fastener system.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLC300 RENAISSANCE CENTER MAIL CODE 482-C23-B21 P O BOX 300 DETROIT MI 48265

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barvosa-Carter, William Ventura, CA 46 722
Browne, Alan L Grosse Pointe, MI 345 3868
Johnson, Nancy L Northville, MI 342 3403
Momoda, Leslie A Los Angeles, CA 13 211
Powell, Jr Bob R Birmingham, MI 1 12
Stanford, Jr Thomas B Port Hueneme, CA 5 241

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