JPS6262003U - - Google Patents
Info
- Publication number
- JPS6262003U JPS6262003U JP15361585U JP15361585U JPS6262003U JP S6262003 U JPS6262003 U JP S6262003U JP 15361585 U JP15361585 U JP 15361585U JP 15361585 U JP15361585 U JP 15361585U JP S6262003 U JPS6262003 U JP S6262003U
- Authority
- JP
- Japan
- Prior art keywords
- lid
- exhaust gas
- duct
- flange
- gas duct
- 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
- 239000012774 insulation material Substances 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
第１図は本考案による排ガスダクト用マンホー
ルの一実施例を示す断面図、第２図は蓋の締付構
造の詳細を示す断面図、第３図は従来技術による
マンホールの一例を示す断面図である。
１……ダクトプレート、５……保温材、８……
円板、９……ボルト孔、１０……つば付両締めボ
ルト、１２ａ，１２ｂ……ナツト、１４……蓋、
１５……ヒンジ。
Fig. 1 is a cross-sectional view showing an embodiment of a manhole for an exhaust gas duct according to the present invention, Fig. 2 is a cross-sectional view showing details of the lid tightening structure, and Fig. 3 is a cross-sectional view showing an example of a manhole according to the prior art. It is. 1... Duct plate, 5... Heat insulation material, 8...
Disc, 9... Bolt hole, 10... Double tightening bolt with flange, 12a, 12b... Nut, 14... Lid,
15...Hinge.
Claims (1)
穿設したダクトプレートに中心孔を穿つた円板を
同心状に設けてフランジ部とし、このフランジ部
と前記ダクトプレートとを貫通するボルト孔を穿
設すると共に、該フランジ部にヒンジを介して蓋
を開閉自在に設け、しかして前記蓋を該フランジ
部に固定するにあたり、つば付両締めボルトを前
記ボルト孔に挿通して排ガスダクト内面および外
面の双方からナツトを介して締付けることを特徴
とする排ガスダクト用マンホール。 In a manhole for an exhaust gas duct, a disk plate with a center hole is provided concentrically on a duct plate with a through hole to form a flange part, and bolt holes are bored through the flange part and the duct plate. , a lid is provided on the flange portion via a hinge so that the lid can be opened and closed freely, and in order to fix the lid to the flange portion, a double-sided tightening bolt with a flange is inserted into the bolt hole to secure the lid from both the inner and outer surfaces of the exhaust gas duct. A manhole for an exhaust gas duct that is tightened using a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361585U JPS6262003U (en) | 1985-10-09 | 1985-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15361585U JPS6262003U (en) | 1985-10-09 | 1985-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6262003U true JPS6262003U (en) | 1987-04-17 |
Family
ID=31072655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15361585U Pending JPS6262003U (en) | 1985-10-09 | 1985-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6262003U (en) |
-
1985
- 1985-10-09 JP JP15361585U patent/JPS6262003U/ja active Pending
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