Device and method for filling a cavity in a structural member
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United States of America Patent
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Sep 1, 1998
Grant Date -
N/A
app pub date -
Sep 19, 1996
filing date -
Sep 21, 1995
priority date (Note) -
Expired
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Abstract
A blocking device for filling a cavity in a hollow structural member includes a foamable material, and magnetic member embedded on a surface of the foamable material, the magnetic member is secured within the hollow structural member and the foamable material is foamed and expanded by the application of heat so that the cavity is filled.
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