Foam molding having various density regions, the production...

B - Operations – Transporting – 29 – C

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B29C 67/20 (2006.01) B21C 37/20 (2006.01) B21D 17/02 (2006.01) B21K 1/16 (2006.01)

Patent

CA 2058063

Abstract of the Disclosure: Moldings made from polyolefin particle foams having a mean density of from 0.015 to 0.100 g/cm3 and having at least two different regions whose densities differ by from 0.005 to 0.030 g/cm3 have a transition zone between the different density regions having a thickness of not more than 25 mm.

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