Internal reinforcement for hollow structural elements
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United States of America Patent
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Jan 29, 2002
Issued Date -
N/A
app pub date -
Nov 16, 1999
filing date -
May 10, 1996
priority date (Note) -
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Abstract
A reinforced beam has an internal I-beam structure with opposed adhesive foam layers. The foam layers are extruded, cut to length and placed on opposed surfaces of the I-beam. When the reinforced beam is heated. The adhesive layers expand to secure the I-beam in place.
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