| 摘要 |
A method for making a protective device for guardrails comprises the steps of preparing a sheet ( 2 ) of flexible material; wrapping the sheet ( 2 ) of flexible material between at least one portion ( 3 ) of a longitudinal rail ( 6 ) of a guardrail ( 5 ) and at least one portion ( 4 ) of a lower longitudinal element ( 7 ), positioned between at least two guardrail ( 5 ) uprights ( 8 ) at a predetermined height, other than zero, from the ground, to form a smooth and continuous surface ( 11 ) which at least partly covers the guardrail ( 5 ). A protective device for guardrails comprises at least one flexible sheet ( 2 ) which can be wrapped between at least one portion ( 3 ) of a rail ( 6 ) of a guardrail ( 5 ) and at least one portion ( 4 ) of a lower longitudinal element ( 7 ), positioned between at least two guardrail ( 5 ) uprights ( 8 ), to form a smooth and continuous surface ( 11 ) covering the guardrail ( 5 ).
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