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JPS56138542A - Vibration absorbing structure - Google Patents

Vibration absorbing structure

Info

Publication number
JPS56138542A
JPS56138542A JP4044381A JP4044381A JPS56138542A JP S56138542 A JPS56138542 A JP S56138542A JP 4044381 A JP4044381 A JP 4044381A JP 4044381 A JP4044381 A JP 4044381A JP S56138542 A JPS56138542 A JP S56138542A
Authority
JP
Japan
Prior art keywords
rigid body
urethane elastomer
coating
vibration source
slit
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
JP4044381A
Other languages
Japanese (ja)
Inventor
Tatsuya Motomiya
Toshio Suzuki
Yoshihiko Ogawa
Fujio Oishi
Tamio Usami
Yoshihiko Sato
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.)
JAPANESE NATIONAL RAILWAYS<JNR>
Nisshinbo Holdings Inc
Japan National Railways
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Japan National Railways
Nisshinbo Industries Inc
Nisshin Spinning 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 JAPANESE NATIONAL RAILWAYS<JNR>, Japan National Railways, Nisshinbo Industries Inc, Nisshin Spinning Co Ltd filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP4044381A priority Critical patent/JPS56138542A/en
Publication of JPS56138542A publication Critical patent/JPS56138542A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
    • F16F1/44—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression
    • F16F1/445—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression the spring material being contained in a generally closed space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
    • F16F2236/04—Compression
    • F16F2236/045—Compression the spring material being generally enclosed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

PURPOSE:To absorb vibration effectively, by coating urethane elastomer over the bottom surface and the side faces of a rigid body to which vibration source is to be fixed, forming a slit for relieving the volume change of urethane elastomer at a part of the coating applied to the bottom surface, and placing the rigid body coated with urethane elastomer into a recess formed in a support floor. CONSTITUTION:Coating layer 3 of urethane elastomer is formed on the bottom surface and the side faces of a rigid body 1 of concrete, wood, iron or the like, to which a vibration source is to be fixed. The rigid body 1 thus coated is inserted into a recess 2 formed in the floor surface 5 on which a vibration source is to be placed. Further, in order to relieve the volume change of the coating layer 3 due to its compression, a slit 4 is formed in the bottom coating over an area coverig 0.5- 50% of the entire area of the bottom surface of the body 1.
JP4044381A 1981-03-23 1981-03-23 Vibration absorbing structure Pending JPS56138542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4044381A JPS56138542A (en) 1981-03-23 1981-03-23 Vibration absorbing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4044381A JPS56138542A (en) 1981-03-23 1981-03-23 Vibration absorbing structure

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP16002378A Division JPS5590735A (en) 1978-12-27 1978-12-27 Rigid base body covered with urethane-elastomer

Publications (1)

Publication Number Publication Date
JPS56138542A true JPS56138542A (en) 1981-10-29

Family

ID=12580782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4044381A Pending JPS56138542A (en) 1981-03-23 1981-03-23 Vibration absorbing structure

Country Status (1)

Country Link
JP (1) JPS56138542A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0439440A (en) * 1990-06-06 1992-02-10 Nisshinbo Ind Inc Vibration isolating device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4839988U (en) * 1971-09-14 1973-05-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4839988U (en) * 1971-09-14 1973-05-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0439440A (en) * 1990-06-06 1992-02-10 Nisshinbo Ind Inc Vibration isolating device

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