JPS5677430A - Side block for manhole and its manufacture - Google Patents
Side block for manhole and its manufactureInfo
- Publication number
- JPS5677430A JPS5677430A JP15419179A JP15419179A JPS5677430A JP S5677430 A JPS5677430 A JP S5677430A JP 15419179 A JP15419179 A JP 15419179A JP 15419179 A JP15419179 A JP 15419179A JP S5677430 A JPS5677430 A JP S5677430A
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- side block
- manufacture
- hooks
- net
- 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
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
PURPOSE: To keep baby or children from falling into a manhole by placing a net on the manhole.
CONSTITUTION: A flange 2 is provided projectionally on the periphery of the side block 1 of a manhole, four hooks 3 are provided on the inside surface of the flange 2, and the peripheral edges of a net 4 are hanged on the hooks 3.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15419179A JPS5677430A (en) | 1979-11-30 | 1979-11-30 | Side block for manhole and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15419179A JPS5677430A (en) | 1979-11-30 | 1979-11-30 | Side block for manhole and its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5677430A true JPS5677430A (en) | 1981-06-25 |
Family
ID=15578817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15419179A Pending JPS5677430A (en) | 1979-11-30 | 1979-11-30 | Side block for manhole and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5677430A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5039664U (en) * | 1973-08-10 | 1975-04-23 |
-
1979
- 1979-11-30 JP JP15419179A patent/JPS5677430A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5039664U (en) * | 1973-08-10 | 1975-04-23 |
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