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Patent Searching and Data


Title:
SLEEPER REPAIR METHOD AND SLEEPER REPAIR STRUCTURE
Document Type and Number:
Japanese Patent JP2018096140
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a sleeper repair method capable of increasing the strength of a repaired concave portion on a sleeper.SOLUTION: In a sleeper repair method for repairing a concave portion 52 which occurs on the bottom of a tie plate located on an existing sleeper 51, a core material 11 comprised of an expanding material having a cell number of 13/25 mm or less as stipulated in JIS K 6400-1 is arranged in the concave portion of the sleeper. A filling hardening agent 21A is then poured into the concave portion. An abrasion resisting plate 16 is then fitted into the opening 52a of the concave portion and the filling hardening agent is hardened.SELECTED DRAWING: Figure 6

Inventors:
IMAMURA MASANOBU
ADACHI KOICHI
Application Number:
JP2016242440A
Publication Date:
June 21, 2018
Filing Date:
December 14, 2016
Export Citation:
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Assignee:
SEKISUI CHEM CO LTD
International Classes:
E01B31/20; E01B31/24; E01B31/26
Attorney, Agent or Firm:
佐伯 義文
森 隆一郎
大槻 真紀子
川越 雄一郎