JPH0321462U - - Google Patents

Info

Publication number
JPH0321462U
JPH0321462U JP8007489U JP8007489U JPH0321462U JP H0321462 U JPH0321462 U JP H0321462U JP 8007489 U JP8007489 U JP 8007489U JP 8007489 U JP8007489 U JP 8007489U JP H0321462 U JPH0321462 U JP H0321462U
Authority
JP
Japan
Prior art keywords
shaped blocks
arc
succession
elastic material
endless
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
JP8007489U
Other languages
English (en)
Other versions
JPH0728199Y2 (ja
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 filed Critical
Priority to JP1989080074U priority Critical patent/JPH0728199Y2/ja
Publication of JPH0321462U publication Critical patent/JPH0321462U/ja
Application granted granted Critical
Publication of JPH0728199Y2 publication Critical patent/JPH0728199Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す断面図、第２図
は勾配円弧形ブロツクを接続した状態の平面図、
第３図は勾配円弧形ブロツクの側面図、第４図は
均等円弧形ブロツクを接続した状態の平面図、第
５図は均等円弧形ブロツクの側面図、第６図はブ
ロツクの形状例を示す断面図、第７図はマンホー
ルの首部の従来例を示す断面図である。 １……首部、２……鉄蓋受枠、４……鉄蓋、５
……勾配円弧形ブロツク、６……均等円弧形ブロ
ツク、７……根巻きブロツク。

Claims (1)

    【実用新案登録請求の範囲】
  1. 所定の勾配がある複数の弾性材製の円弧形ブロ
    ツクを設け、それらの勾配円弧形ブロツクを連続
    させるとエンドレス状の勾配を有する環状体を形
    成するようにし、また、所定の高さにした複数の
    弾性材製の均等円弧形ブロツクを設け、それらの
    均等円弧形ブロツクを連続させるとエンドレス状
    の水平な環状体を形成するようにし、マンホール
    に立ち上がつた首部の上端に環状体となるように
    上記の均等円弧形ブロツクを連続させて載せ、そ
    の上に勾配円弧形ブロツクを連続させて載せ、そ
    の上にマンホールの鉄蓋受枠を設置したことを特
    徴とするマンホール首部の整合ブロツク。
JP1989080074U 1989-07-10 1989-07-10 マンホール首部の整合ブロック Expired - Fee Related JPH0728199Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989080074U JPH0728199Y2 (ja) 1989-07-10 1989-07-10 マンホール首部の整合ブロック

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989080074U JPH0728199Y2 (ja) 1989-07-10 1989-07-10 マンホール首部の整合ブロック

Publications (2)

Publication Number Publication Date
JPH0321462U true JPH0321462U (ja) 1991-03-04
JPH0728199Y2 JPH0728199Y2 (ja) 1995-06-28

Family

ID=31624807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989080074U Expired - Fee Related JPH0728199Y2 (ja) 1989-07-10 1989-07-10 マンホール首部の整合ブロック

Country Status (1)

Country Link
JP (1) JPH0728199Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6158248U (ja) * 1984-09-17 1986-04-19
JPS6212647U (ja) * 1985-07-08 1987-01-26
JPS6447848U (ja) * 1987-09-14 1989-03-24

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6158248U (ja) * 1984-09-17 1986-04-19
JPS6212647U (ja) * 1985-07-08 1987-01-26
JPS6447848U (ja) * 1987-09-14 1989-03-24

Also Published As

Publication number Publication date
JPH0728199Y2 (ja) 1995-06-28

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees