RAILROAD TIE AND MANUFACTURING METHOD THEREOF

To provide a railroad tie and a manufacturing method thereof capable of effectively suppressing a positional deviation (jacking) in the approximately vertical direction due to vibration and the like even if the weight of the railroad tie is reduced.SOLUTION: A railroad tie 10 is provided with a main...

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Bibliographic Details
Main Authors NISHIJIMA SATOSHI, TANABE TOMOAKI
Format Patent
LanguageEnglish
Japanese
Published 06.12.2018
Subjects
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
MACHINES FOR MAKING RAILWAYS OF ALL KINDS
PERMANENT WAY
PERMANENT-WAY TOOLS
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Summary:To provide a railroad tie and a manufacturing method thereof capable of effectively suppressing a positional deviation (jacking) in the approximately vertical direction due to vibration and the like even if the weight of the railroad tie is reduced.SOLUTION: A railroad tie 10 is provided with a main body part 11 having a longitudinal direction and width direction and made of resin, and projections 12a, 12b which project from both the side surfaces 10c, 10c in the width direction of the main body part 11 toward the width direction of the main body part 11.SELECTED DRAWING: Figure 1 【課題】軽量化されたまくら木であっても、振動等に起因する略鉛直方向における位置ずれ（浮き）の発生を効果的に抑制することが可能なまくら木およびその製造方法を提供する。【解決手段】まくら木１０は、長手方向及び幅方向を有し、かつ樹脂製である本体部１１と、本体部１１の幅方向の両側の側面１０ｃ，１０ｃから本体部１１の幅方向に突出する突出部１２ａ，１２ｂとを備えている。【選択図】図１
Bibliography:Application Number: JP20170221754