JPS5214921A - Sound-proof pipe - Google Patents

Sound-proof pipe

Info

Publication number
JPS5214921A
JPS5214921A JP50091407A JP9140775A JPS5214921A JP S5214921 A JPS5214921 A JP S5214921A JP 50091407 A JP50091407 A JP 50091407A JP 9140775 A JP9140775 A JP 9140775A JP S5214921 A JPS5214921 A JP S5214921A
Authority
JP
Japan
Prior art keywords
sound
proof pipe
pipe
circumferent
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
JP50091407A
Other languages
Japanese (ja)
Inventor
Jiro Horikawa
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 JP50091407A priority Critical patent/JPS5214921A/en
Publication of JPS5214921A publication Critical patent/JPS5214921A/en
Pending legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

PURPOSE: To reduce the noise at the water flowing time by pipe arrangement of concentrated sewage in a Housing Corporation's apartment house etc., by means of coating a thin lead plates to the outside circumferent surface of the pipe.
COPYRIGHT: (C)1977,JPO&Japio
JP50091407A 1975-07-26 1975-07-26 Sound-proof pipe Pending JPS5214921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50091407A JPS5214921A (en) 1975-07-26 1975-07-26 Sound-proof pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091407A JPS5214921A (en) 1975-07-26 1975-07-26 Sound-proof pipe

Publications (1)

Publication Number Publication Date
JPS5214921A true JPS5214921A (en) 1977-02-04

Family

ID=14025515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50091407A Pending JPS5214921A (en) 1975-07-26 1975-07-26 Sound-proof pipe

Country Status (1)

Country Link
JP (1) JPS5214921A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492118A (en) * 1972-04-21 1974-01-10
JPH0515987U (en) * 1991-08-19 1993-03-02 武司 田中 Computer system for amusement hall and its terminal unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492118A (en) * 1972-04-21 1974-01-10
JPH0515987U (en) * 1991-08-19 1993-03-02 武司 田中 Computer system for amusement hall and its terminal unit

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