JPH0449427Y2 - - Google Patents
Info
- Publication number
- JPH0449427Y2 JPH0449427Y2 JP1990088572U JP8857290U JPH0449427Y2 JP H0449427 Y2 JPH0449427 Y2 JP H0449427Y2 JP 1990088572 U JP1990088572 U JP 1990088572U JP 8857290 U JP8857290 U JP 8857290U JP H0449427 Y2 JPH0449427 Y2 JP H0449427Y2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- gas
- rubber
- gas pipe
- foaming agent
- 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.)
- Expired
Links
- 229920001971 elastomer Polymers 0.000 claims description 32
- 239000005060 rubber Substances 0.000 claims description 31
- 229920005989 resin Polymers 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 30
- 239000004088 foaming agent Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 description 56
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- 239000004156 Azodicarbonamide Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 2
- 235000019399 azodicarbonamide Nutrition 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- ICGLPKIVTVWCFT-UHFFFAOYSA-N 4-methylbenzenesulfonohydrazide Chemical compound CC1=CC=C(S(=O)(=O)NN)C=C1 ICGLPKIVTVWCFT-UHFFFAOYSA-N 0.000 description 1
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002832 nitroso derivatives Chemical class 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008674 spewing Effects 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は、家屋の壁内や天井内、床内に配管さ
れるガス管に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a gas pipe that is installed inside the wall, ceiling, or floor of a house.
［従来の技術］
屋外のガス配管と屋内のガス元栓とを連絡する
ために、家屋の壁内や天井内、床内などにガス管
が配管される。そしてこのガス管としては一般に
金属のフレキシブル管が使用されるが、近年合成
樹脂やゴムで作成したガス管を使用することも検
討されている。[Prior Art] Gas pipes are installed in the walls, ceilings, floors, etc. of houses to connect outdoor gas pipes and indoor gas main valves. Although flexible metal pipes are generally used as the gas pipes, in recent years the use of gas pipes made of synthetic resin or rubber has also been considered.
［考案が解決しようとする問題点］
このガス管において問題となるのは、屋内のガ
ス元栓が閉じられていても常時このガス管内には
ガスが通じており、家屋の火災時に高温がこのガ
ス管内のガスに作用するおそれがあるということ
である。特にこのガス管を合成樹脂やゴムによつ
て作成すると、火災時の高温でガス管が溶融して
孔があき、ガス管からのガスの噴出によつて火災
が増長され、火災の被害が大きくなるおそれがあ
るという問題が生じるものである。[Problem that the invention aims to solve] The problem with this gas pipe is that gas is always flowing through the gas pipe even when the indoor gas main valve is closed, and in the event of a house fire, the high temperature of this gas This means that there is a risk that it may affect the gas inside the pipe. In particular, if these gas pipes are made of synthetic resin or rubber, the gas pipes will melt at high temperatures during a fire, creating holes, and the gas ejected from the gas pipes will aggravate the fire, causing significant fire damage. This poses a problem in that there is a risk of this happening.
［問題点を解決するための手段］
本考案は上記の問題を解決するために為された
ものであつて、本考案に係るガス管は、樹脂又は
ゴムの層を全長に亙つて管状に成形して一層のこ
の樹脂又はゴムの層のみで形成され、この樹脂又
はゴムの層には加熱分解型の発泡剤が含有されて
成ることを特徴とするものである。[Means for Solving the Problems] The present invention has been made to solve the above problems, and the gas pipe according to the present invention has a resin or rubber layer molded into a tubular shape over the entire length. It is characterized in that it is formed of only one layer of this resin or rubber, and that this resin or rubber layer contains a thermally decomposable foaming agent.
［作用］
本考案のガス管においては、火災時に高熱がガ
ス管に作用して樹脂やゴムが溶融されると、この
樹脂やゴム内に含有される加熱分解型の発泡剤に
よつて樹脂やゴムが発泡し、この発泡した樹脂や
ゴムがガス管内を充填して閉塞してしまうことに
なり、ガス管に孔があいてこの孔からガス管内の
ガスが噴出するというようなことを防止すること
ができるものである。[Function] In the gas pipe of the present invention, when high heat acts on the gas pipe in the event of a fire and melts the resin or rubber, the resin or rubber is melted by the thermal decomposition type foaming agent contained in the resin or rubber. This prevents the rubber from foaming and the foamed resin or rubber filling the inside of the gas pipe and clogging it, or from creating a hole in the gas pipe and causing the gas inside the gas pipe to blow out from the hole. It is something that can be done.
［実施例］ 以下本考案を実施例により詳述する。[Example] The present invention will be explained in detail below with reference to Examples.
ガス管Ａは、ポリ塩化ビニルエラストマー等の
樹脂又はゴムの層１を円管状に成形することによ
つてフレキシブルに形成してある。この樹脂やゴ
ムは火災時の200℃程度の高温の作用によつて溶
融される。そしてこの樹脂又はゴムには発泡剤が
配合して含有させてある。発泡剤としては加熱に
よつて熱分解され、この熱分解に伴つてガスを発
生する加熱分解型発泡剤を用いる。また、ガス管
Ａには平時（火災等以外の時）においてもその使
用箇所によつては70℃程度の熱が作用することが
あるので、発泡剤としては少なくとも70℃以上の
加熱条件下で分解するものを用いるようにするの
がよく、さらに発泡剤としては樹脂やゴムを独立
気泡で発泡させるものが好ましい。 The gas pipe A is flexibly formed by molding a layer 1 of resin or rubber such as polyvinyl chloride elastomer into a circular tube shape. These resins and rubbers are melted by the action of high temperatures of around 200°C during a fire. A foaming agent is blended and contained in this resin or rubber. As the foaming agent, a thermally decomposable foaming agent is used which is thermally decomposed by heating and generates gas as a result of this thermal decomposition. In addition, even in normal times (other than fires, etc.), gas pipe A may be exposed to heat of around 70°C depending on where it is used. It is preferable to use a foaming agent that decomposes, and a foaming agent that foams resin or rubber into closed cells is preferred.
このような発泡剤としてはアゾジカルボンアミ
ド（分解温度200〜210℃）やアゾビスイソブチロ
ニトリル（分解温度100〜102℃）などのアゾ化合
物、Ｎ，N′−ジニトロソペンタメチレンテトラ
ミン（分解温度200〜205℃）などのニトロソ化合
物、ｐ−トルエンスルホニルヒドラジド（分解温
度103〜107℃）やｐ，p′−オキシビス（ベンゼン
スルホニルヒドラジド）（分解温度155〜160℃）
などのスルホニルヒドラジド化合物等を用いるこ
とができる。これらの中でも、火災時のような
200℃程度の高温の作用でのみ分解され、しかも
分解によつてN2ガスやCO2ガスを発生してこれ
ら発生ガスで自己消火がおこなわれて延焼を防止
することができるという点で、発泡剤としてアゾ
ジカルボンアミドを用いるのが最も好ましい。 Such blowing agents include azo compounds such as azodicarbonamide (decomposition temperature 200-210℃) and azobisisobutyronitrile (decomposition temperature 100-102℃), N,N'-dinitrosopentamethylenetetramine (decomposition temperature 100-102℃), Nitroso compounds such as p-toluenesulfonylhydrazide (decomposition temperature 103-107℃) and p,p'-oxybis(benzenesulfonylhydrazide) (decomposition temperature 155-160℃)
A sulfonyl hydrazide compound such as can be used. Among these, such as during a fire
Foaming is unique in that it decomposes only under the action of high temperatures of around 200°C, and furthermore, it generates N 2 gas and CO 2 gas, and these gases self-extinguish, preventing the spread of fire. Most preferably, azodicarbonamide is used as the agent.
しかしてこのように形成されるガス管Ａにあつ
て、火災時にガス管Ａに高温が作用した場合、樹
脂又はゴムの層１が溶融されると共にこの樹脂や
ゴムに含有される発泡剤が分解された分解ガスを
発生し、樹脂やゴムは発泡剤によつて発泡され、
この発泡した樹脂やゴムはガス管Ａの内方及び外
方に膨張することになつて、ガス管Ａ内部に充填
されるこの樹脂やゴムでガス管Ａ内のガス通路が
閉塞されることになる。従つてガス管Ａは発泡膨
張した樹脂やゴムが内部に充填された状態にある
ために、火災時にガス管Ａに孔があくというよう
なことがなく、ガス管Ａからガスが噴出するとい
うようなことを防止できるものである。ここで、
ガス管Ａは一層の樹脂又はゴムの層のみを具備し
て形成されているが、発泡剤の発泡によつてガス
管を構成する樹脂又はゴムは内方と外方にそれぞ
れ膨張するために、ガス通路を塞ぐようにガス管
Ａの内部を樹脂又はゴムで十分に充填させること
ができるものである。 However, with gas pipe A formed in this way, if high temperature acts on gas pipe A during a fire, the resin or rubber layer 1 will melt and the foaming agent contained in this resin or rubber will decompose. decomposed gas is generated, and the resin and rubber are foamed by the foaming agent.
This foamed resin or rubber will expand inward and outward of the gas pipe A, and the gas passage inside the gas pipe A will be blocked by this resin or rubber filled inside the gas pipe A. Become. Therefore, since the gas pipe A is filled with foamed and expanded resin or rubber, there is no possibility that a hole will be made in the gas pipe A in the event of a fire, and gas will not be blown out from the gas pipe A. This can be prevented. here,
Gas pipe A is formed with only one layer of resin or rubber, but the resin or rubber constituting the gas pipe expands inwardly and outwardly due to the foaming of the foaming agent. The inside of the gas pipe A can be sufficiently filled with resin or rubber so as to close the gas passage.
［考案の効果］
上述のように本考案に係るガス管は、樹脂又は
ゴムの層を管状に成形して形成され、この樹脂又
はゴムの層には加熱分解型の発泡剤が含有されて
成るものであるから、火災時にガス管に高温が作
用した場合、樹脂やゴムが溶融されると共にこの
樹脂やゴムに含有される発泡剤によつて発泡さ
れ、この発泡した樹脂やゴムでガス管内部が充填
されてガス管内のガス通路が閉塞されることにな
り、ガス管に孔があいてガス管からガスが噴出す
るというようなことを防止できるものである。し
かもこの発泡剤が含有された樹脂又はゴムの層は
ガス管の全長を構成するものであるから、火災時
にガス管のどの部分において高温が作用しても樹
脂やゴムが発泡してガス管内部の閉塞がおこなわ
れるものであり、火災時のガス噴出を確実に防止
することができるものである。[Effects of the invention] As mentioned above, the gas pipe according to the invention is formed by molding a resin or rubber layer into a tubular shape, and this resin or rubber layer contains a thermally decomposable foaming agent. Therefore, when high temperatures are applied to gas pipes during a fire, the resin or rubber is melted and foamed by the foaming agent contained in the resin or rubber. The gas passage in the gas pipe is filled with gas, thereby preventing gas from spewing out from the gas pipe due to a hole forming in the gas pipe. Furthermore, since the resin or rubber layer containing this foaming agent constitutes the entire length of the gas pipe, even if high temperatures are applied to any part of the gas pipe in the event of a fire, the resin or rubber will foam and cause damage to the inside of the gas pipe. This prevents gas from escaping in the event of a fire.
第１図は本考案の一実施例の断面図であり、１
は発泡剤を含有する樹脂又はゴムの層を示す。
FIG. 1 is a sectional view of one embodiment of the present invention, and 1
indicates a resin or rubber layer containing a blowing agent.
Claims (1)
て一層のこの樹脂又はゴムの層のみで形成され、
この樹脂又はゴムの層には加熱分解型の発泡剤が
含有されて成るガス管。 A resin or rubber layer is formed into a tubular shape over the entire length, and is formed from only one layer of this resin or rubber,
A gas pipe in which the resin or rubber layer contains a thermally decomposable foaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990088572U JPH0449427Y2 (en) | 1990-08-25 | 1990-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990088572U JPH0449427Y2 (en) | 1990-08-25 | 1990-08-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0333285U JPH0333285U (en) | 1991-04-02 |
| JPH0449427Y2 true JPH0449427Y2 (en) | 1992-11-20 |
Family
ID=31638175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990088572U Expired JPH0449427Y2 (en) | 1990-08-25 | 1990-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449427Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE42752E1 (en) | 1993-07-08 | 2011-09-27 | Bridgestone Sports Co., Ltd. | Three-piece solid golf ball |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6216881B2 (en) * | 1982-04-21 | 1987-04-15 | Mitsui Zosen Kk |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0310463Y2 (en) * | 1985-07-15 | 1991-03-14 |
-
1990
- 1990-08-25 JP JP1990088572U patent/JPH0449427Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6216881B2 (en) * | 1982-04-21 | 1987-04-15 | Mitsui Zosen Kk |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE42752E1 (en) | 1993-07-08 | 2011-09-27 | Bridgestone Sports Co., Ltd. | Three-piece solid golf ball |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333285U (en) | 1991-04-02 |
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