JP2553225Y2 - 枕 木 - Google Patents

枕 木

Info

Publication number
JP2553225Y2
JP2553225Y2 JP1991058696U JP5869691U JP2553225Y2 JP 2553225 Y2 JP2553225 Y2 JP 2553225Y2 JP 1991058696 U JP1991058696 U JP 1991058696U JP 5869691 U JP5869691 U JP 5869691U JP 2553225 Y2 JP2553225 Y2 JP 2553225Y2
Authority
JP
Japan
Prior art keywords
ballast
sleeper
laying
roadbed
density
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.)
Expired - Fee Related
Application number
JP1991058696U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0489101U (Direct
Inventor
俊三 池松
孝信 近藤
昌之 尾崎
国昭 大西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP1991058696U priority Critical patent/JP2553225Y2/ja
Publication of JPH0489101U publication Critical patent/JPH0489101U/ja
Application granted granted Critical
Publication of JP2553225Y2 publication Critical patent/JP2553225Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Road Paving Structures (AREA)
JP1991058696U 1990-08-24 1991-07-25 枕 木 Expired - Fee Related JP2553225Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991058696U JP2553225Y2 (ja) 1990-08-24 1991-07-25 枕 木

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8900390 1990-08-24
JP2-89003 1990-08-24
JP1991058696U JP2553225Y2 (ja) 1990-08-24 1991-07-25 枕 木

Publications (2)

Publication Number Publication Date
JPH0489101U JPH0489101U (Direct) 1992-08-04
JP2553225Y2 true JP2553225Y2 (ja) 1997-11-05

Family

ID=31948593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991058696U Expired - Fee Related JP2553225Y2 (ja) 1990-08-24 1991-07-25 枕 木

Country Status (1)

Country Link
JP (1) JP2553225Y2 (Direct)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3623615B2 (ja) * 1996-11-01 2005-02-23 積水化学工業株式会社 まくら木
JP2002242101A (ja) * 2001-02-21 2002-08-28 Sekisui Chem Co Ltd まくら木
EP2809846B1 (en) * 2013-01-14 2015-11-04 Greenrail S.r.l. Composite railway sleeper

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5383800A (en) * 1976-12-29 1978-07-24 Fujitsu Ltd Medium recognizing system
JPS5571974A (en) * 1978-11-25 1980-05-30 Seiko Epson Corp Composite display type electronic wrist watch
JPS6411761U (Direct) * 1987-07-09 1989-01-23

Also Published As

Publication number Publication date
JPH0489101U (Direct) 1992-08-04

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees