JPS6392895U - - Google Patents
Info
- Publication number
- JPS6392895U JPS6392895U JP18891886U JP18891886U JPS6392895U JP S6392895 U JPS6392895 U JP S6392895U JP 18891886 U JP18891886 U JP 18891886U JP 18891886 U JP18891886 U JP 18891886U JP S6392895 U JPS6392895 U JP S6392895U
- Authority
- JP
- Japan
- Prior art keywords
- outer periphery
- heat insulating
- pipe
- layer
- insulating layer
- 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
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims 1
- 229920003020 cross-linked polyethylene Polymers 0.000 claims 1
- 239000004703 cross-linked polyethylene Substances 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 claims 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Description
図面は本考案の断熱管の端末部の断面図を示し
、第１図は熱膨脹伸長時を、また第２図は冷却収
縮時をそれぞれ示す。
図において１は断熱管、Ａは断熱管１の端末部
、１１はプラスチツク管、１２は断熱層、１２１
はテーパー面、１２２は段落面、２は防水層をそ
れぞれ示す。
The drawings show cross-sectional views of the end portion of the heat-insulated pipe of the present invention, with FIG. 1 showing the state during thermal expansion and expansion, and FIG. 2 showing the state during cooling and contraction. In the figure, 1 is a heat insulating pipe, A is the end of the heat insulating pipe 1, 11 is a plastic pipe, 12 is a heat insulating layer, 121
122 represents a tapered surface, 122 represents a stepped surface, and 2 represents a waterproof layer.
Claims (1)
断熱管の端末部において、該断熱層の外周が、端
末に向かうにつれて漸次径細になるようなテーパ
ー面および上記プラスチツク管の外周に近いとこ
ろで、該テーパー面に連接する段落面とされ、上
記の断熱層の外周、テーパー面およびプラスチツ
ク管の外周に跨がつて防水層を設け、該防水層と
上記段落面との間は非接触としたことを特徴とす
る断熱管の端末部。 (2) 上記プラスチツク管が、架橋ポリエチレン
などの架橋ポリオレフインで構成されることを特
徴とする実用新案登録請求の範囲第(1)項記載の
断熱管の端末部。 (3) 上記断熱層が発泡ポリエチレンなどからな
る発泡層１２ａとスキン層１２ｂとで構成される
ことを特徴とする実用新案登録請求の範囲第(1)
項記載の断熱管の端末部。[Claims for Utility Model Registration] (1) At the end portion of a heat insulating pipe having a heat insulating layer on the outer periphery of the plastic pipe, the outer periphery of the heat insulating layer has a tapered surface whose diameter gradually becomes thinner toward the end, and the above-mentioned A stepped surface connected to the tapered surface is provided near the outer periphery of the plastic pipe, and a waterproof layer is provided spanning the outer periphery of the heat insulating layer, the tapered surface, and the outer periphery of the plastic tube, and the waterproof layer and the stepped surface are connected to each other. An end portion of an insulated pipe characterized by non-contact between the ends. (2) The end portion of a heat-insulating pipe according to claim 1, wherein the plastic pipe is made of cross-linked polyolefin such as cross-linked polyethylene. (3) Utility model registration claim No. (1) characterized in that the heat insulating layer is composed of a foam layer 12a made of foamed polyethylene or the like and a skin layer 12b.
Terminal part of the insulated pipe described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18891886U JPS6392895U (en) | 1986-12-08 | 1986-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18891886U JPS6392895U (en) | 1986-12-08 | 1986-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6392895U true JPS6392895U (en) | 1988-06-15 |
Family
ID=31140733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18891886U Pending JPS6392895U (en) | 1986-12-08 | 1986-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6392895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016044750A (en) * | 2014-08-22 | 2016-04-04 | 明星工業株式会社 | Seal structure of heat insulation material layer end part of heat insulation pipe |
-
1986
- 1986-12-08 JP JP18891886U patent/JPS6392895U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016044750A (en) * | 2014-08-22 | 2016-04-04 | 明星工業株式会社 | Seal structure of heat insulation material layer end part of heat insulation pipe |
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