BITING PREVENTION METHOD AND BITING PREVENTION DEVICE FOR BEAM JOINT PART OF GUARD RAIL

PROBLEM TO BE SOLVED: To provide a method for preventing a body from being torn off by a corner of an end part of a joint of a beam and a head part of a bolt even if a vehicle comes into contact with a guard rail and preventing a torn-off metallic piece from getting in a clearance in the end part of...

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Bibliographic Details
Main Authors HARAGUCHI YASUAKI, KAMIIDE AKIRA
Format Patent
LanguageEnglish
Published 15.02.2007
Subjects
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
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Summary:PROBLEM TO BE SOLVED: To provide a method for preventing a body from being torn off by a corner of an end part of a joint of a beam and a head part of a bolt even if a vehicle comes into contact with a guard rail and preventing a torn-off metallic piece from getting in a clearance in the end part of the joint of the beam and the head part of the bolt and to provide a biting prevention device for facilitating its mounting. SOLUTION: In the joint part of the beam having corrugated cross section and used for the guard rail, inclined faces rising gently from a face in a recessed part of the beam toward a face in a top part are provided at both ends on an advance direction side of the vehicle, and a member whose face in the top part protrudes more than a face in a projecting part of the beam in the direction of height after mounting is attached to it. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050244980