Blow molded energy absorber and systems and methods of making and using the same
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United States of America Patent
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Apr 1, 2014
Grant Date -
Dec 6, 2012
app pub date -
Aug 15, 2012
filing date -
Dec 17, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, a vehicle energy absorber system, comprises: blow molded crush lobes that are open on one side, wherein the energy absorber comprises fillets having a fillet radius of less than 20 mm and a thickness of less than or equal to 1.5 mm; a bumper beam adjacent the open side; and a fascia, wherein the energy absorber is located between the fascia and the bumper beam. In one embodiment, a method for making a blow molded energy absorber comprises: introducing a molten plastic to a first mold cavity; introducing gas into the plastic to conform the plastic to the interior of the first mold cavity and form a first preform; and separating the first preform along a centerline thereof to form open, first preform portions having first crush lobes.
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