JPS57163517A - Manufacture of porous concrete pipe - Google Patents

Manufacture of porous concrete pipe

Info

Publication number
JPS57163517A
JPS57163517A JP4838581A JP4838581A JPS57163517A JP S57163517 A JPS57163517 A JP S57163517A JP 4838581 A JP4838581 A JP 4838581A JP 4838581 A JP4838581 A JP 4838581A JP S57163517 A JPS57163517 A JP S57163517A
Authority
JP
Japan
Prior art keywords
manufacture
concrete pipe
porous concrete
porous
pipe
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
Application number
JP4838581A
Other languages
Japanese (ja)
Other versions
JPS5838285B2 (en
Inventor
Seiichi Ozawa
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.)
OZAWA CONCRETE KOGYO KK
Original Assignee
OZAWA CONCRETE KOGYO KK
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 OZAWA CONCRETE KOGYO KK filed Critical OZAWA CONCRETE KOGYO KK
Priority to JP4838581A priority Critical patent/JPS5838285B2/en
Publication of JPS57163517A publication Critical patent/JPS57163517A/en
Publication of JPS5838285B2 publication Critical patent/JPS5838285B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
JP4838581A 1981-04-02 1981-04-02 Manufacturing method of porous concrete pipe Expired JPS5838285B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4838581A JPS5838285B2 (en) 1981-04-02 1981-04-02 Manufacturing method of porous concrete pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4838581A JPS5838285B2 (en) 1981-04-02 1981-04-02 Manufacturing method of porous concrete pipe

Publications (2)

Publication Number Publication Date
JPS57163517A true JPS57163517A (en) 1982-10-07
JPS5838285B2 JPS5838285B2 (en) 1983-08-22

Family

ID=12801830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4838581A Expired JPS5838285B2 (en) 1981-04-02 1981-04-02 Manufacturing method of porous concrete pipe

Country Status (1)

Country Link
JP (1) JPS5838285B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01165330A (en) * 1987-12-22 1989-06-29 Takeshi Matsudaira Method for removing birds and device used therefor
JPH0711183U (en) * 1993-07-23 1995-02-21 有限会社谷本板金 Pigeon intrusion prevention device

Also Published As

Publication number Publication date
JPS5838285B2 (en) 1983-08-22

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