JP2008031708A - 合成枕木 - Google Patents
合成枕木 Download PDFInfo
- Publication number
- JP2008031708A JP2008031708A JP2006205273A JP2006205273A JP2008031708A JP 2008031708 A JP2008031708 A JP 2008031708A JP 2006205273 A JP2006205273 A JP 2006205273A JP 2006205273 A JP2006205273 A JP 2006205273A JP 2008031708 A JP2008031708 A JP 2008031708A
- Authority
- JP
- Japan
- Prior art keywords
- fiber bundle
- fiber bundles
- sleeper
- fiber
- laminated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 241001669679 Eleotris Species 0.000 title claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 104
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000004088 foaming agent Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 16
- 239000012783 reinforcing fiber Substances 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 12
- 238000003825 pressing Methods 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/46—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from different materials
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/44—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from other materials only if the material is essential
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
【解決手段】本発明による合成枕木は、複数本の強化繊維からなる繊維束を分散させて、その周囲を母材樹脂で硬化させた合成枕木であって、繊維束は、繊維束の長手方向に湾曲され扁平状に押し潰された膨出部が所定の間隔で設けられており、繊維束が枕木製造用の金型に製品仕様の高さ以上に積層され、母材樹脂である発泡剤を含む硬質ウレタン液を所定量投入後、製品仕様の高さまで圧縮して成形される。
【選択図】図1
Description
11 突出部
12 上加圧駒
13 下加圧駒
14 凸部
15 凹部
17 落し蓋
18 枕木の金型
19 強化長繊維
20 膨出部
21 硬質ウレタン液
L3 枕木の製品仕様の高さ
L4 繊維束が積層される最大の高さ
L5 金型の高さ
t 繊維束の外周からの突出量
Claims (2)
- 複数本の強化繊維からなる繊維束を分散させて、その周囲を母材樹脂で硬化させた合成枕木であって、前記繊維束は、前記繊維束の長手方向に湾曲され扁平状に押し潰された膨出部が所定の間隔に設けられており、前記繊維束が枕木製造用の金型に製品仕様の高さ以上に積層され、母材樹脂である発泡剤を含む硬質ウレタン液を所定量投入後、前記製品仕様の高さまで圧縮して成形されることを特徴とする合成枕木。
- 前記繊維束を長手方向に湾曲させる所定の半径の凸部が、前記繊維束の長手方向と直交する方向に伸びる上加圧駒と、前記凸部に対応する凹部を有する下加圧駒が、相互に係合して押圧されることにより、前記膨出部が成形されることを特徴とする請求項1に記載の合成枕木。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006205273A JP4665146B2 (ja) | 2006-07-27 | 2006-07-27 | 合成枕木 |
KR1020070075931A KR100978300B1 (ko) | 2006-07-27 | 2007-07-27 | 합성 침목 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006205273A JP4665146B2 (ja) | 2006-07-27 | 2006-07-27 | 合成枕木 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008031708A true JP2008031708A (ja) | 2008-02-14 |
JP4665146B2 JP4665146B2 (ja) | 2011-04-06 |
Family
ID=39121437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006205273A Active JP4665146B2 (ja) | 2006-07-27 | 2006-07-27 | 合成枕木 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4665146B2 (ja) |
KR (1) | KR100978300B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2582778A (en) * | 2019-04-02 | 2020-10-07 | Oxford Plastic Sys Ltd | Railway sleeper |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102236667B1 (ko) * | 2019-06-19 | 2021-04-06 | 주식회사 휴먼컴퍼지트 | 철도침목 제조방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01174533A (ja) * | 1987-12-28 | 1989-07-11 | Mitsui Constr Co Ltd | 構造材料用補強材の製造方法 |
JP2002294603A (ja) * | 2001-03-30 | 2002-10-09 | Nhk Spring Co Ltd | 合成まくらぎおよびその製造方法 |
JP2004156197A (ja) * | 1998-03-03 | 2004-06-03 | Ppg Ind Ohio Inc | 含浸ガラス繊維ストランドおよびそれを含む製品 |
JP2005022396A (ja) * | 2002-11-14 | 2005-01-27 | Toray Ind Inc | 強化繊維基材、複合材料およびそれらの製造方法 |
JP2006112574A (ja) * | 2004-10-18 | 2006-04-27 | Bando Chem Ind Ltd | 歯付ベルト及びその製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4820968B2 (ja) | 2000-07-04 | 2011-11-24 | 日本発條株式会社 | 合成まくらぎおよびその製造方法 |
-
2006
- 2006-07-27 JP JP2006205273A patent/JP4665146B2/ja active Active
-
2007
- 2007-07-27 KR KR1020070075931A patent/KR100978300B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01174533A (ja) * | 1987-12-28 | 1989-07-11 | Mitsui Constr Co Ltd | 構造材料用補強材の製造方法 |
JP2004156197A (ja) * | 1998-03-03 | 2004-06-03 | Ppg Ind Ohio Inc | 含浸ガラス繊維ストランドおよびそれを含む製品 |
JP2002294603A (ja) * | 2001-03-30 | 2002-10-09 | Nhk Spring Co Ltd | 合成まくらぎおよびその製造方法 |
JP2005022396A (ja) * | 2002-11-14 | 2005-01-27 | Toray Ind Inc | 強化繊維基材、複合材料およびそれらの製造方法 |
JP2006112574A (ja) * | 2004-10-18 | 2006-04-27 | Bando Chem Ind Ltd | 歯付ベルト及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2582778A (en) * | 2019-04-02 | 2020-10-07 | Oxford Plastic Sys Ltd | Railway sleeper |
Also Published As
Publication number | Publication date |
---|---|
KR100978300B1 (ko) | 2010-08-26 |
JP4665146B2 (ja) | 2011-04-06 |
KR20080011128A (ko) | 2008-01-31 |
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