JPS5239207A - Method of preventing noise of high frequencies produced by running loc omotives - Google Patents

Method of preventing noise of high frequencies produced by running loc omotives

Info

Publication number
JPS5239207A
JPS5239207A JP11590775A JP11590775A JPS5239207A JP S5239207 A JPS5239207 A JP S5239207A JP 11590775 A JP11590775 A JP 11590775A JP 11590775 A JP11590775 A JP 11590775A JP S5239207 A JPS5239207 A JP S5239207A
Authority
JP
Japan
Prior art keywords
omotives
loc
running
high frequencies
preventing noise
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.)
Pending
Application number
JP11590775A
Other languages
Japanese (ja)
Inventor
Utako Tazaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11590775A priority Critical patent/JPS5239207A/en
Publication of JPS5239207A publication Critical patent/JPS5239207A/en
Pending legal-status Critical Current

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Landscapes

  • Railway Tracks (AREA)

Abstract

PURPOSE: To prevent noise before it is developed by closely contacting a noisepreventing material to the rail and to the ballast, which is a cause of noise of new trunk lines.
COPYRIGHT: (C)1977,JPO&Japio
JP11590775A 1975-09-25 1975-09-25 Method of preventing noise of high frequencies produced by running loc omotives Pending JPS5239207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11590775A JPS5239207A (en) 1975-09-25 1975-09-25 Method of preventing noise of high frequencies produced by running loc omotives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11590775A JPS5239207A (en) 1975-09-25 1975-09-25 Method of preventing noise of high frequencies produced by running loc omotives

Publications (1)

Publication Number Publication Date
JPS5239207A true JPS5239207A (en) 1977-03-26

Family

ID=14674147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11590775A Pending JPS5239207A (en) 1975-09-25 1975-09-25 Method of preventing noise of high frequencies produced by running loc omotives

Country Status (1)

Country Link
JP (1) JPS5239207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0551903A (en) * 1991-08-21 1993-03-02 Hirokazu Mizushima Apparatus and method for preventing noise for track

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4957505A (en) * 1972-10-06 1974-06-04
JPS4970310A (en) * 1972-11-10 1974-07-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4957505A (en) * 1972-10-06 1974-06-04
JPS4970310A (en) * 1972-11-10 1974-07-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0551903A (en) * 1991-08-21 1993-03-02 Hirokazu Mizushima Apparatus and method for preventing noise for track

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