JPH02132747U - - Google Patents
Info
- Publication number
- JPH02132747U JPH02132747U JP4146089U JP4146089U JPH02132747U JP H02132747 U JPH02132747 U JP H02132747U JP 4146089 U JP4146089 U JP 4146089U JP 4146089 U JP4146089 U JP 4146089U JP H02132747 U JPH02132747 U JP H02132747U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- cover
- utility
- insulation board
- model
- 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
- 238000009413 insulation Methods 0.000 claims 2
- 238000009421 internal insulation Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Description
図はこの考案の一実施例の断面図。
１……芯材、２……表面被覆材、３……貫通穴
、４……支持金具。
The figure is a sectional view of one embodiment of this invention. 1... Core material, 2... Surface coating material, 3... Through hole, 4... Supporting metal fittings.
Claims (1)
使用する発泡プラスチツクスの表面を保護強化の
為樹脂で被覆し、水抜き、ガス抜き穴を有する事
を特徴とするマンホールの蓋用内断熱板。 ２ マンホールの内蓋として蓋は独立に取り外せ
る様にした実用新案請求の範囲第一項記載の内断
熱板。[Claims for Utility Model Registration] 1. The surface of foamed plastic used for insulation on the back side of a manhole cover is coated with resin for added protection, and features water and gas vent holes. Internal insulation board for manhole covers. 2. The inner heat insulation board according to claim 1 of the utility model claim, which is used as an inner cover of a manhole and whose cover can be removed independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4146089U JPH02132747U (en) | 1989-04-07 | 1989-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4146089U JPH02132747U (en) | 1989-04-07 | 1989-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132747U true JPH02132747U (en) | 1990-11-05 |
Family
ID=31552146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4146089U Pending JPH02132747U (en) | 1989-04-07 | 1989-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132747U (en) |
-
1989
- 1989-04-07 JP JP4146089U patent/JPH02132747U/ja active Pending