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公开(公告)号:US07399138B2
公开(公告)日:2008-07-15
申请号:US10399524
申请日:2001-05-22
Applicant: Carl-Gustaf Ek , Tony Lindström , Cecilia Rydin , Svein Jamtvedt
Inventor: Carl-Gustaf Ek , Tony Lindström , Cecilia Rydin , Svein Jamtvedt
IPC: E01F9/017
CPC classification number: E01F15/0453 , C08L23/06 , C08L23/10 , C08L53/00 , C08L2207/20 , C08L2312/00 , E01F9/608 , E01F15/04 , Y10T428/31855 , C08L2666/02
Abstract: A road restraint system part is made of polyolefin material having an energy absorption of at least 10 kJ/m2 at +23° C. and at least 5 kJ/m2 at −20° C. (determined according to ISO 179/1eA with notched specimens).
Abstract translation: 道路约束系统部分由聚烯烃材料制成,其在+ 23℃下的能量吸收至少为10kJ / m 2,在-20℃下具有至少5kJ / m 2(根据ISO 179 / 1eA确定,带有凹口 标本)。