Composite tubular door beam reinforced with a reacted core localized at the mid-span of the tube
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United States of America Patent
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-
Jun 23, 1992
Issued Date -
N/A
app pub date -
Aug 14, 1990
filing date -
Feb 5, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lightweight, composite beam with a reacted core for reinforcing a vehicle door is provided. The reinforcing beam comprises a metal tube having a longitudinal cavity which is partially filled with either a reinforcing polymeric core which in one aspect includes a thermoset or thermoplastic resin-based material or a cementitious core which includes Portland cement and a filler. The reacted core is friction fit or mechanically held within the metal tube at the mid-span of the tube. The composite beam includes end pieces which are adapted to be mounted to a vehicle door panel in a door cavity by spot-welds or the like. The horizontally mounted beam provides substantially increased resistance to side impacts to the vehicle door in the event of a collision.
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