Bumper core

Details Bumper core Bumper core

2005-05-10

2005-05-10

Pape, Joseph D. (Department: 3612)

Vehicle fenders

Buffer or bumper type

Having fluid means within impact means to absorb energy

C428S071000, C188S377000

Reexamination Certificate

active

06890009

ABSTRACT:
An elongated bumper core of a polyolefin-based resin-containing foam having a density of 0.045-0.2 g/cm3and showing a compressive load of F20at 20% strain, a compressive load of F40at 40% strain and a compressive load of F60at 60% strain when compressed by a rigid pipe having an outer diameter of 70 mm at a compression speed of 500 mm/minute, wherein the ratio F20/F40is in the range of 0.6-1.3 and the ratio F60/F40is in the range of 0.75-1.3.

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