ROAD SAFETY BARRIERS

Sweden Patent

PATENT NO 528769
SERIAL NO

0402231

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Abstract

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A road safety barrier having a plurality of ropes supported by posts rigidly mounted on or in the ground is described. Each rope is held in tension against the posts and supported in a notch or groove in a side of the posts. The ropes are released from a post and the post is not pulled from the ground when a vertical force is exerted on the rope. The ropes when weaved are tensioned against the posts and this gives rise to a combined frictional resistance to displacement of the ropes relative to each post along the length of the safety barrier. The structure of at least some of the posts and/or their mounting with respect to the ground defines a minimum bending yield strength in a direction along the length of the barrier. This minimum bending yield strength is greater than the bending moment resulting from the combined frictional resistance forces acting on the post.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HILL & SMITH PLCGB

International Classification(s)

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Inventor(s)

Inventor Name Address
BILLINGHAM SEAN -
SHARP GRAHAM T -
WALTON JOHN M -

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