JPS645193B2 - - Google Patents
Info
- Publication number
- JPS645193B2 JPS645193B2 JP9919281A JP9919281A JPS645193B2 JP S645193 B2 JPS645193 B2 JP S645193B2 JP 9919281 A JP9919281 A JP 9919281A JP 9919281 A JP9919281 A JP 9919281A JP S645193 B2 JPS645193 B2 JP S645193B2
- Authority
- JP
- Japan
- Prior art keywords
- shaped
- shaped metal
- band
- metal band
- fastener
- 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
- 239000002184 metal Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 230000000630 rising effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000009970 fire resistant effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Joints With Sleeves (AREA)
- Chimneys And Flues (AREA)
Description
【発明の詳細な説明】
本発明は耐火管の接続用締付具に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fastener for connecting fire-resistant pipes.
従来、耐火管の接続部はセメント等からなるメ
ジ剤でメジ施工を施して耐火性と強度を補強して
いたが、メジ剤は材料効力期間に限界があり、ま
たメジ施工の為の労力を必要とし、且メジ施工に
熟練を要し経済的ではなかつた。 Conventionally, the joints of fire-resistant pipes have been reinforced with a chemical agent made of cement, etc. to strengthen their fire resistance and strength, but the material's shelf life is limited, and the labor required for applying the chemical agent is limited. However, it was not economical as it required skill to carry out the construction.
本発明はメジ施工を行わずに耐火管の接続部に
耐火性を保持させたものであり、即ちこの締付具
を装着すれば優れた耐火性および強度を発揮する
ものである。 The present invention maintains fire resistance at the joints of fire-resistant pipes without performing any mechanical construction, and in other words, when this fastener is installed, excellent fire resistance and strength are exhibited.
次に本発明を添付図面に基いて説明する。 Next, the present invention will be explained based on the accompanying drawings.
第１図は本発明の耐火管の接続用締付具の正面
図、第２図は締付具の平面図、第３図は締付具を
耐火管の接続部に装着した図、第４図は締付具の
一部拡大斜視図である。 Fig. 1 is a front view of a fastener for connecting fireproof pipes according to the present invention, Fig. 2 is a plan view of the fastener, Fig. 3 is a view of the fastener attached to a connecting part of a fireproof pipe, and Fig. 4 The figure is a partially enlarged perspective view of the fastener.
１は鉄、ステンレス等の弾性を有する金属製バ
ンドであり、２，２′はＬ字状金具で１と同じ材
質でつくられていて、一方２′の立上がり部３′の
略中央には孔を穿つてあり、ボルト５を挿通し、
該ボルトにナツトを螺着仮止めしてある。他方Ｌ
字状金具２の立上がり部３にＵ字状切込み４を設
け、ボルト軸をバンドループの半径方向から挿入
可能としている。 1 is a band made of elastic metal such as iron or stainless steel; 2 and 2' are L-shaped metal fittings made of the same material as 1; on the other hand, there is a hole approximately in the center of the rising part 3' of 2'. is drilled, insert bolt 5,
A nut is temporarily screwed onto the bolt. On the other hand L
A U-shaped notch 4 is provided in the rising portion 3 of the shaped metal fitting 2, so that the bolt shaft can be inserted from the radial direction of the band loop.
そして前記Ｌ字状金具２，２′は金属製バンド
１の両端部外周面近傍にリベツト６により固着し
てある。尚、Ｌ字状金具の固着はリベツトの代わ
りに熔接によつてもよいし、又併用してもよい。 The L-shaped metal fittings 2, 2' are fixed to both ends of the metal band 1 near the outer peripheral surface thereof by rivets 6. Note that the L-shaped metal fittings may be fixed by welding instead of rivets, or may be used in combination.
７はボルト５と螺合したナツトである。このナ
ツトを他方のＬ字状金具の立上がり部に載せて締
付け位置を取つたとき、金属製バンドの端部が重
なり合うように、いずれか一方のＬ字状金具から
金属製バンドを張り出してある。 7 is a nut screwed onto the bolt 5. A metal band is extended from one of the L-shaped fittings so that when the nut is placed on the rising portion of the other L-shaped fitting and the tightening position is taken, the ends of the metal bands overlap.
８はＬ字状金具２の先端を略90゜折り曲げた部
分であり、ナツトの側面と接するようにしてあ
る。 Reference numeral 8 denotes a portion obtained by bending the tip of the L-shaped metal fitting 2 by approximately 90 degrees, so as to make contact with the side surface of the nut.
９は金属製バンドの内周面の前記重なり部分を
除いた略々全周にその略1/2で接着剤（例えば合
成ゴム系難燃接着剤）によつて接着された石綿ヤ
ーン、ロツクウール、ガラス繊維等の無機質繊維
又はクロロプレン等の合成ゴムからなる不燃又は
難燃材料の層である。 9 is asbestos yarn, rock wool, which is bonded to approximately 1/2 of the entire circumference of the inner peripheral surface of the metal band, excluding the overlapping portion, with an adhesive (for example, a synthetic rubber flame retardant adhesive); It is a layer of non-flammable or flame-retardant material made of inorganic fibers such as glass fibers or synthetic rubbers such as chloroprene.
第３図において、本発明の締付具を耐火管の接
続部に装着する一例を示すと、内管が合成樹脂、
外管が石綿セメント製の耐火二重管直管１０と耐
火二重管継手１１とのそれぞれの内管を嵌合し、
耐火二重管直管と耐火二重管継手の外管が衝合す
る接続部の外周に金属製バンド１を装着し、Ｌ字
状金具２′に装着したナツト付ボルト５をＵ字状
切込み４に係合し、ボルトを螺合することにより
締付具が締付られる。 FIG. 3 shows an example of how the fastener of the present invention is attached to a connection part of a fireproof pipe.
Fitting the respective inner pipes of a fireproof double pipe straight pipe 10 and a fireproof double pipe joint 11 whose outer pipes are made of asbestos cement,
A metal band 1 is attached to the outer periphery of the joint where the straight pipe of the fireproof double pipe and the outer pipe of the fireproof double pipe joint collide, and the bolt 5 with nut attached to the L-shaped fitting 2' is cut into a U-shape. 4 and screwing the bolt, the fastener is tightened.
本発明の接続用締付具は前述の構成であるの
で、ボルトナツトを仮組みした状態で締付作業が
でき、いちいちナツトを持つ必要がない。又ボル
ト・ナツトの螺合を完全に解かなくても、バンド
の装着締付け作業ができる。 Since the connection fastener of the present invention has the above-described structure, the tightening work can be performed with the bolt and nut temporarily assembled, and there is no need to hold each nut. In addition, the band can be installed and tightened without completely unscrewing the bolts and nuts.
本発明は締付具の締付に伴つて、不燃又は難燃
材料の層９が金属バンド１によつて押圧され、金
属製バンド１と直管１０との隙間がなくなるだけ
でなく、耐火二重管直管と耐火二重管継手との間
に存在する〓間は金属製バンドの端部が重ね合つ
た締付具によつて完全に塞がれるので、耐火性が
一層向上し、又耐火管直管と耐火二重管継手とが
締付具によつて固定されるので、接続部の強度が
大きくなる。 According to the present invention, as the fastener is tightened, the layer 9 of non-combustible or flame-retardant material is pressed by the metal band 1, which not only eliminates the gap between the metal band 1 and the straight pipe 10, but also eliminates the need for fireproofing. The space between the straight pipe and the fireproof double pipe joint is completely closed by the overlapping fasteners at the end of the metal band, further improving fire resistance. Since the straight fireproof pipe and the double fireproof pipe joint are fixed by the fastener, the strength of the connection is increased.
更に前記接続部に本発明の締付具を締付けると
耐火性が増し、仮に耐火二重管の内管が部分的に
燃焼、溶融しても、外管は締付具により接続され
ているので、そのままの形状を維持し得るので、
管を伝つて火災が延焼することを防ぐことができ
る。 Furthermore, by tightening the fastener of the present invention on the connection part, fire resistance increases, and even if the inner pipe of the fireproof double pipe partially burns and melts, the outer pipe is still connected by the fastener. , since it can maintain its shape,
This can prevent fire from spreading through the pipes.
本発明の締付具は耐火管の配管時に直管又は管
継手の一方の外周の任意の位置に仮固定して耐火
管の直管と管継手を接続した後、締付具を接続部
に移動させてボルトを締付けることができるので
配管作業を簡単に行なうことができる。その際ナ
ツトはＬ字状金具の折曲部分８に当接固定される
ので、ナツトが空廻りすることはなく、安心して
取付作業が容易に出来る。又、振動によつてナツ
トが緩んでもナツトが抜け出ることを防止でき
る。 The fastener of the present invention is temporarily fixed at any position on the outer periphery of one of the straight pipes or pipe fittings when piping a fireproof pipe, and after connecting the straight pipe of the fireproof pipe and the pipe joint, the fastener is attached to the connection part. Piping work can be done easily because the bolts can be tightened while being moved. At this time, since the nut is fixed in contact with the bent portion 8 of the L-shaped metal fitting, the nut will not spin loosely and the installation work can be carried out easily and with peace of mind. Furthermore, even if the nut loosens due to vibration, it can be prevented from slipping out.
又、本発明の締付具は金属製バンドの内周面に
可撓性の不燃又は難燃材料の層があるので、地震
の際、ビルの給排水管において直管の振動を許容
できるので耐震性に優れている。 In addition, since the fastener of the present invention has a layer of flexible non-flammable or flame-retardant material on the inner peripheral surface of the metal band, it can tolerate the vibration of straight pipes in the building's water supply and drainage pipes during an earthquake, making it earthquake resistant. Excellent in sex.
第１図は本発明の耐火管の接続用締付具の正面
図、第２図は締付具の平面図、第３図は締付具を
耐火管の接続部に装着した図である。第４図は締
付具の一部拡大斜視図である。
１……金属製バンド、２，２′……Ｌ字状金具、
３，３′……立上がり部、４……Ｕ字状切込み、
５……ボルト、７……ナツト、８……折曲部、９
……不燃又は難燃材料の層。
FIG. 1 is a front view of a fastener for connecting fireproof pipes according to the present invention, FIG. 2 is a plan view of the fastener, and FIG. 3 is a view of the fastener attached to a connecting portion of a fireproof pipe. FIG. 4 is a partially enlarged perspective view of the fastener. 1...Metal band, 2, 2'...L-shaped metal fittings,
3, 3'... Rising part, 4... U-shaped notch,
5... Bolt, 7... Nut, 8... Bent part, 9
...a layer of non-combustible or flame-retardant material.
Claims (1)
傍にそれぞれＬ字状金具を固着し、一方のＬ字状
金具の立上がり部にボルトを装着すると共に、該
ボルトにナツトを螺着仮止めし、他方のＬ字状金
具の立上がり部にＵ字状切込みを設けてボルト軸
をバンドループの半径方向から挿入可能とし、前
記Ｕ字状切込みを設けた前記Ｌ字状金具の立上が
り部に、前記一方の立上がり部と反対方向の折曲
部を形成し、ナツトを他方のＬ字状金具の立上が
り部に載せて締付け位置を取つた時金属製バンド
の端部が重なり合うようにいずれか一方のＬ字状
金具から金属製バンドを張り出すと共に、金属製
バンドの内周面の前記重なり部分を除いて略々全
周に不燃又は難燃材料の層を接着固定したことを
特徴とする耐火管の接続用締付具。1. Fix L-shaped metal fittings near the outer peripheral surface of both ends of an elastic metal band, attach a bolt to the rising part of one L-shaped metal band, and temporarily screw a nut onto the bolt, A U-shaped notch is provided in the rising part of the other L-shaped fitting to enable the bolt shaft to be inserted from the radial direction of the band loop, and the one Form a bent part in the opposite direction to the rising part of the other L-shaped metal fitting, and bend the L-shaped metal band on either side so that when the nut is placed on the rising part of the other L-shaped metal fitting and the tightening position is taken, the ends of the metal bands overlap. A fireproof pipe connection characterized in that a metal band is extended from a shaped metal fitting, and a layer of non-combustible or flame-retardant material is adhesively fixed to substantially the entire circumference of the inner peripheral surface of the metal band except for the overlapping part. Fasteners for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9919281A JPS58693A (en) | 1981-06-26 | 1981-06-26 | Clamping tool for connecting refractory pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9919281A JPS58693A (en) | 1981-06-26 | 1981-06-26 | Clamping tool for connecting refractory pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58693A JPS58693A (en) | 1983-01-05 |
| JPS645193B2 true JPS645193B2 (en) | 1989-01-30 |
Family
ID=14240779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9919281A Granted JPS58693A (en) | 1981-06-26 | 1981-06-26 | Clamping tool for connecting refractory pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58693A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280959A (en) * | 1994-02-09 | 1995-10-27 | Koryo Plast Kogyo Kk | Clock having drawer |
-
1981
- 1981-06-26 JP JP9919281A patent/JPS58693A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280959A (en) * | 1994-02-09 | 1995-10-27 | Koryo Plast Kogyo Kk | Clock having drawer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58693A (en) | 1983-01-05 |
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