JPH0254480B2 - - Google Patents
Info
- Publication number
- JPH0254480B2 JPH0254480B2 JP58182570A JP18257083A JPH0254480B2 JP H0254480 B2 JPH0254480 B2 JP H0254480B2 JP 58182570 A JP58182570 A JP 58182570A JP 18257083 A JP18257083 A JP 18257083A JP H0254480 B2 JPH0254480 B2 JP H0254480B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- tube
- resin
- film
- inner resin
- 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 - Lifetime
Links
- 229920005989 resin Polymers 0.000 claims description 59
- 239000011347 resin Substances 0.000 claims description 59
- 239000000463 material Substances 0.000 claims description 35
- 239000011888 foil Substances 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 description 17
- 238000009413 insulation Methods 0.000 description 9
- -1 polyethylene Polymers 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005855 radiation Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/08—Means for preventing radiation, e.g. with metal foil
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】
本発明は断熱配管材に関するものであり、特に
温水輸送管に使用される断熱被覆した配管材に関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat insulating piping material, and more particularly to a heat insulating coated piping material used for hot water transport pipes.
従来の断熱配管材は第１図に示すように金属管
または樹脂管等の管材１の外周を発泡合成樹脂２
Ａで被覆する方式が採られている。そしてこのよ
うな樹脂層を設けた管材は施工性の点から、その
一対が樹脂層の保護をかねた表皮層３Ａで一体に
結束されている。 As shown in Fig. 1, conventional insulating piping materials include a pipe material 1 such as a metal pipe or a resin pipe, and a foamed synthetic resin 2 covering the outer periphery of the pipe material 1.
A method of covering with A is adopted. From the viewpoint of workability, a pair of pipe materials provided with such a resin layer are bound together by a skin layer 3A that also serves to protect the resin layer.
しかし、かかる従来の配管材は発泡合成樹脂２
Ａが低発泡樹脂のものは、断熱性能が十分といえ
ず、高発泡樹脂のものは断熱性能は良好であるも
のの性能は層厚に依存するがため外形寸法の増す
不都合がある。 However, such conventional piping materials are made of foamed synthetic resin 2.
The foamed resin with low A does not have sufficient heat insulation performance, and the high foamed resin has good insulation performance, but the performance depends on the layer thickness, so there is a disadvantage that the outer dimensions increase.
本発明の目的はかかる不都合を解消することに
あり、外形寸法を増すことなく断熱性能にすぐれ
た断熱配管材を提供することである。また、本発
明はすぐれた断熱性能と施工性をそなえた新規な
断熱配管材の提供をも目的とするものである。 An object of the present invention is to eliminate such inconveniences, and to provide a heat-insulating piping material that has excellent heat-insulating performance without increasing external dimensions. Another object of the present invention is to provide a novel heat-insulating piping material that has excellent heat-insulating performance and workability.
かかる本発明の目的は、温水を通流させる管材
を該管材との接触面積を軽減させた内側樹脂管に
収容するとともに、これを長手方向に波形を形成
した外側樹脂管に収容し、内外樹脂管の間には低
熱放射率のフイルムを介在させることにより達成
されるものである。以下本発明を図面について説
明する。 It is an object of the present invention to house a tube material through which hot water flows in an inner resin tube whose contact area with the tube material is reduced, and to house it in an outer resin tube formed with a corrugated shape in the longitudinal direction, so that the inner and outer resin tubes are accommodated. This is achieved by interposing a film with low thermal emissivity between the tubes. The present invention will be explained below with reference to the drawings.
１は金属管または樹脂管等の管材で、温水暖房
の場合は通常は往管と復管によつて構成するのが
施工性の面で好ましいものであるが一本でもよい
ものである。この管材１としては外径６〜20mm位
のものが通常使用されている。管材１は管壁に内
向き突起を設けた波付き内側樹脂管２で被包され
ている。該内側樹脂管２は合成樹脂で形成されポ
リエチレン、ポリプロピレン等が一般的に使用さ
れる。そして、内径は管材の外径より0.3mm以上
大きい寸法に形成されている。これは銅管等の管
材１を挿入する場合等のクリアランスとして、そ
して内向き突起によつて管材との間に形成させる
空気層と協働させて断熱層として作用させるため
のものである。内側樹脂管は管材１との間に空気
層を形成する役割を果せばよいもので、強度は必
要でなく、肉厚は大体0.1〜２mm位でよい。内側
樹脂管の管壁に内向き突起を設けるのは、上記す
るように空気層を形成すると同時に接触による熱
の伝導を最小限度に押えるためであつて、これに
は波付加工（コルゲート）とリブ付加工が適して
いる。 Reference numeral 1 denotes a pipe material such as a metal pipe or a resin pipe, and in the case of hot water heating, it is usually preferable to configure it with an outgoing pipe and a returning pipe from the viewpoint of workability, but it is also possible to use only one pipe. The tube material 1 usually has an outer diameter of about 6 to 20 mm. The tube material 1 is covered with a corrugated inner resin tube 2 having an inward protrusion on the tube wall. The inner resin pipe 2 is made of synthetic resin, and polyethylene, polypropylene, etc. are generally used. The inner diameter is 0.3 mm or more larger than the outer diameter of the tube material. This is used as a clearance when inserting the pipe material 1 such as a copper pipe, and also to act as a heat insulating layer in cooperation with the air layer formed between the pipe material and the pipe material by the inward projections. The inner resin pipe only has to play the role of forming an air layer between it and the pipe material 1, and strength is not required, and the wall thickness may be approximately 0.1 to 2 mm. The purpose of providing inward protrusions on the wall of the inner resin tube is to form an air layer as described above and at the same time to minimize the conduction of heat due to contact. Ribbed processing is suitable.
波付加工は第４図、第５図に実施例を示せば、
管材１の軸線方向に波形を形成したもので、谷幅
P1と山幅P2との関係は2P1≦P2が望ましいもの
で、ピツチＰは３〜20mmが望ましい。そして谷３
の形状は、平面でなく、真中が凹んでいてＵ字形
をなしていれば、管材１との接触面積を一層軽減
できて好都合である。 Examples of corrugated processing are shown in Figures 4 and 5.
A waveform is formed in the axial direction of the pipe material 1, and the valley width is
The relationship between P 1 and the peak width P 2 is preferably 2P 1 ≦P 2 , and the pitch P is preferably 3 to 20 mm. and valley 3
If the shape is not flat but U-shaped with a concave center, the contact area with the tube material 1 can be further reduced, which is advantageous.
リブ付加工は第６図に示すようにリブ４を内側
樹脂管２の内面に形成したもので、リブ４の数は
管２の断面において、３〜８個位でよく、その高
さは0.12mm位でよい。また、リブ４は管軸線に沿
つて連続した直線状でも、捩れていてもよく、ま
た管軸線に沿つて、非連続で、リブ４のない部分
をもつていてもよい。要は管材１を所定の位置に
保持するものであり、そして熱の伝導するのを防
止し、空気層を形成するものであればよいのであ
る。 In the ribbed process, ribs 4 are formed on the inner surface of the inner resin tube 2 as shown in FIG. About mm is fine. Further, the ribs 4 may be continuous and straight along the tube axis, or may be twisted, or may be discontinuous along the tube axis and have portions without ribs 4. The point is that it holds the tube material 1 in a predetermined position, prevents conduction of heat, and forms an air layer.
５は低輻射率を有する物質を紙または合成樹脂
フイルムと一体化した低熱放射率のフイルムで該
フイルムは管材１から内側樹脂管を経て外部に伝
わる熱量の内放射による伝熱を阻止するもので、
内側樹脂管と後記する外側樹脂管の間に配置され
る。低熱放射率のフイルムとしてはアルミニウム
箔等の金属箔または金属箔と合成樹脂フイルムの
積層体を適用することができる。積層体の場合は
合成樹脂フイルムの一面をアルミニウム箔とし、
他面をアルミニウム箔またはアルミ蒸着層を設け
たものとすると、上記する放射による伝熱阻止に
加えて反射による伝熱阻止効果も発揮できて好ま
しいが、放射による伝熱を阻止することにより十
分な断熱性能を発揮できるのでアルミニウム箔と
合成樹脂フイルムの積層体をアルミニウム箔面が
後記する外側樹脂管と対向するように配置させ
る。 Reference numeral 5 denotes a low thermal emissivity film in which a substance with low emissivity is integrated with paper or a synthetic resin film, and this film prevents heat transfer by internal radiation from the tube material 1 through the inner resin tube to the outside. ,
It is arranged between the inner resin pipe and the outer resin pipe which will be described later. As the film having a low thermal emissivity, a metal foil such as an aluminum foil or a laminate of a metal foil and a synthetic resin film can be used. In the case of a laminate, one side of the synthetic resin film is aluminum foil,
It is preferable to provide an aluminum foil or an aluminum evaporated layer on the other side, since in addition to the above-mentioned heat transfer prevention effect due to radiation, it is also possible to exhibit a heat transfer prevention effect due to reflection. Since it can exhibit heat insulating performance, the laminate of aluminum foil and synthetic resin film is arranged so that the aluminum foil surface faces the outer resin pipe, which will be described later.
低熱放射率のフイルムは内側樹脂管と外側樹脂
管の間に空気層を介して対向するよう設けるのが
最適であるが、少なくとも外側樹脂管との間に空
気層を形成して放射による伝熱を阻止することに
よりすぐれた断熱性能を確保できるのでこの例の
ように低熱放射率のフイルムを内側樹脂管に被着
（巻付け）させるのが装着作業も容易であつて好
ましい。 It is best to install a low thermal emissivity film between the inner resin tube and the outer resin tube so that they face each other with an air layer between them, but at least form an air layer between them and the outer resin tube to improve heat transfer by radiation. Since excellent heat insulating performance can be ensured by preventing this, it is preferable to cover (wrap) a film with a low thermal emissivity around the inner resin tube as in this example because the installation work is easy.
内側樹脂管への被覆方式はとくに限定されない
が、包帯巻きが簡単であり、この場合低熱放射率
のフイルムとしてアルミニウム箔と樹脂フイルム
の積層体を採用すれば巻付加工の作業性がよい
し、巻付け後のフイルムの波打ち等による変形防
止に効果的である。内側樹脂管へ巻付けた低熱放
射率のフイルムの固定はラツプするよう巻付けら
れる低熱放射率のフイルムの側端部分を接着剤に
より接合させてもよいし、巻付けた低熱放射率の
フイルム外面に粘着テープをら旋状に巻付ける
か、内側樹脂管の長手方向に貼付けることによつ
て行なうことができる。また積層体の場合樹脂フ
イルムとしてポリエチレン、ポリエチレンテレフ
タレート等金属箔と融着可能なものを適用し、内
側樹脂管に包帯巻きした後外部から間接的または
加熱ロール等にて直接的に加熱することにより熱
融着させてもよい。 The method of covering the inner resin tube is not particularly limited, but it is easy to wrap the bandage, and in this case, if a laminate of aluminum foil and resin film is used as a film with low thermal emissivity, the workability of the wrapping process is good. This is effective in preventing deformation due to waving of the film after winding. The low thermal emissivity film wrapped around the inner resin tube may be fixed by bonding the side end portions of the low thermal emissivity film wrapped so as to wrap with adhesive, or by attaching the outer surface of the low thermal emissivity film to the inner resin tube. This can be done by wrapping adhesive tape in a spiral shape or by pasting it in the longitudinal direction of the inner resin tube. In the case of a laminate, a resin film such as polyethylene or polyethylene terephthalate that can be fused with metal foil is used, and after wrapping the inner resin tube in a bandage, it can be heated indirectly from the outside or directly with a heating roll, etc. It may also be heat fused.
なおアルミニウム箔等の金属箔および合成樹脂
フイルムの厚みは作業性、コスト等から適当なも
のを選べばよい。またアルミニウム箔は表面の放
射率（波長0.7μ〜500μの赤外線領域における放射
率）が0.1以下であることが望ましい。 Note that the thickness of the metal foil such as aluminum foil and the synthetic resin film may be appropriately selected from the viewpoint of workability, cost, etc. Further, it is desirable that the surface emissivity of the aluminum foil (emissivity in the infrared region with a wavelength of 0.7μ to 500μ) is 0.1 or less.
６は内向きに突起を形成した波付き外側樹脂管
で、ポリエチレン、ポリプロピレン、塩化ビニル
等の合成樹脂で造られ、内側樹脂管２および金属
管等の管材１を外力から保護する役目があり、強
度が要求されるもので、外力としては押潰し、衝
撃、曲げ加工等がある。また、外力に抗するため
に強度を有し、かつ容易に人力で曲げ加工等があ
るためにコルゲート状又はスパイラル状等の長手
方向に対して波形形状とされるもので、曲げ成形
等の点からピツチP′は10mm以下の小ピツチとする
のが好ましい。 Reference numeral 6 denotes a corrugated outer resin pipe with inward protrusions, which is made of synthetic resin such as polyethylene, polypropylene, or vinyl chloride, and serves to protect the inner resin pipe 2 and the pipe material 1, such as a metal pipe, from external forces. Strength is required, and external forces include crushing, impact, bending, etc. In addition, it has strength to resist external forces and can be easily bent manually, so it has a corrugated shape or spiral shape in the longitudinal direction. The pitch P′ is preferably a small pitch of 10 mm or less.
またこの外側樹脂管と低熱放射率のフイルム、
内側樹脂管との間にそれぞれ空気層を形成するの
が好適であるが、少なくとも外側樹脂管と低熱放
射率のフイルム間に空気層を設けることにより放
射による伝熱は効果的に阻止される。低熱放射率
のフイルム５で内側樹脂管２を結束させる場合、
外側樹脂管６と低熱放射率のフイルム５とは0.1
〜６mmのクリアランスを有することが望ましい。
このクリアランスの存在により、空気層を形成し
断熱を行なうとともに低熱放射率のフイルムによ
る放射断熱を有効ならしめることができる。また
外側樹脂管６と反射フイルム５の接触面積を最少
にすることにより、伝導伝熱を押さえ、断熱性能
を一段と高めることが必要である。 In addition, this outer resin tube and low thermal emissivity film,
Although it is preferable to form an air layer between the inner resin tube and the inner resin tube, heat transfer by radiation can be effectively prevented by providing an air layer at least between the outer resin tube and the low thermal emissivity film. When binding the inner resin tube 2 with a film 5 having a low thermal emissivity,
The outer resin tube 6 and the low thermal emissivity film 5 are 0.1
It is desirable to have a clearance of ~6 mm.
The existence of this clearance makes it possible to form an air layer and perform heat insulation, and also to make radiation heat insulation effective by the film having a low thermal emissivity. Furthermore, by minimizing the contact area between the outer resin tube 6 and the reflective film 5, it is necessary to suppress conductive heat transfer and further improve the heat insulation performance.
次に断熱性能について述べる。試験に供した配
管材は第３〜４図にしめす形状のもので、管材は
外径８mmの銅管であり、内側樹脂管は外径12mm波
高３mm、肉厚0.3mm、波ピツチＰ＝６mmのポリオ
レフインコルゲート管である。そして低熱放射率
のフイルムはポリエチレンテレフタレートフイル
ムの一面にアルミニウム箔を設け、他面にアルミ
蒸着層を設けた積層体で前記銅管を収容した２本
の内側樹脂管を結束するようその外面にアルミニ
ウム箔を外側にして包帯巻きされている。 Next, we will discuss insulation performance. The piping material used in the test had the shape shown in Figures 3 and 4. The pipe material was a copper pipe with an outer diameter of 8 mm, and the inner resin pipe had an outer diameter of 12 mm, a wave height of 3 mm, a wall thickness of 0.3 mm, and a wave pitch P = 6 mm. It is a polyolefin incorrugated pipe. The low thermal emissivity film is a laminate consisting of a polyethylene terephthalate film with aluminum foil on one side and an aluminum evaporated layer on the other side, and the outer surface is made of aluminum to bind the two inner resin tubes containing the copper tubes. It is wrapped in a bandage with the foil on the outside.
また外側樹脂管は外形寸法がH′＝20mm、W′＝
30mm、肉厚0.8mm、波ピツチP′＝５mm、波の高さ
を２mmとしたポリオレフインコルゲート管であ
る。 In addition, the external dimensions of the outer resin pipe are H′=20mm, W′=
It is a polyolefin incorrugated tube of 30 mm, wall thickness 0.8 mm, wave pitch P' = 5 mm, and wave height 2 mm.
一方比較材としての従来の配管材は第１図にし
めす形状のもので外径８mmの銅管に層厚４mmの低
発泡ポリエチレンを押出被覆したものの一対を安
定化ポリエチレンの表被層で一括被覆してあり、
外形寸法はＨ＝15mm、Ｗ＝29mmのものである。 On the other hand, the conventional piping material used as a comparative material has the shape shown in Figure 1. A pair of copper pipes with an outer diameter of 8 mm are extruded and coated with a layer of low-foamed polyethylene with a thickness of 4 mm, and a pair of them are collectively covered with a surface layer of stabilized polyethylene. It has been done,
The external dimensions are H = 15 mm and W = 29 mm.
断熱試験方法として第７図の装置を使用して試
験を行なつた。配管長は10ｍであり、恒温水槽７
からポンプＰを経て配管８に送り込まれたT1の
温度≒80℃、熱交換器９の出口T3の温度≒60℃
とし、次式
Ｋ＝60分×Ｗ×Cp×｛（T1−T4）−（T2−T3）｝／20ｍ
×（Ｔ−Tr）
により放熱係数を求めた。但し
Ｋ＝放熱係数（kcal／mh℃）
Ｗ＝水量（Kg／分）
Cpの水の比熱（kcal／mh℃）＝１
Tr＝室温（℃）
＝（T1＋T2＋T3＋T4）／４（℃）r
＝（Tr1＋Tr2＋Tr3）／３（℃）
この結果本発明品はＫ＝0.16〜0.18であるのに
対し、従来品はＫ＝0.33〜0.34であつた。 As a heat insulation test method, the test was conducted using the apparatus shown in FIG. The piping length is 10m, and there are 7 constant temperature water tanks.
The temperature of T1 sent from the pump P to the pipe 8 is 80℃, and the temperature of the outlet T3 of the heat exchanger 9 is 60℃.
Then, the following formula K = 60 minutes x W x C p x {(T 1 − T 4 ) − (T 2 − T 3 )}/20 m
The heat radiation coefficient was determined by ×(T− Tr ). However, K = heat dissipation coefficient (kcal/mh°C) W = amount of water (Kg/min) Specific heat of water at C p (kcal/mh°C) = 1 T r = room temperature (°C) = (T 1 +T 2 +T 3 +T 4 )/4(°C) r = (T r1 +T r2 +T r3 )/3 (°C) As a result, the product of the present invention had K=0.16 to 0.18, while the conventional product had K=0.33 to 0.34.
このように本発明品は外形寸法は現状品と略同
等で断熱性能は著しく向上しているものであると
ともに配管施工においても容易なものである。即
ち、施工に際してはコイル巻きしたものを引き延
ばし敷設するが、良好な曲げ加工性を付与する上
で最も問題となる金属管樹脂管は長手方向に波形
を有するので曲げ加工に困難はなく曲げ半径の小
さい場合でも銅管中に補強用の樹脂芯を挿入する
ことによりいたつて簡単に曲成することができ
る。 As described above, the product of the present invention has approximately the same external dimensions as the current product, has significantly improved heat insulation performance, and is easy to install in piping. In other words, during construction, a coiled product is stretched and laid, but metal pipes and resin pipes, which are the most problematic in providing good bending workability, have corrugations in the longitudinal direction, so there is no difficulty in bending, and the bending radius can be adjusted. Even if the pipe is small, it can be easily bent by inserting a reinforcing resin core into the copper pipe.
また敷設後端部を養生する際は内側樹脂管２の
所要長が露出するよう外側樹脂管６を輪切りして
抜去するとともに低熱放射率のフイルムを巻き戻
して切除する。そして第８図にしめすごとく管材
１の所定長が露出するよう内側樹脂管２を輪切り
して抜去して第９図にしめすように内外樹脂管間
に外側樹脂管に挿着する筒体の端部に内側樹脂管
に挿着する二又の筒部をそなえた軟質塩化ビニル
等の端末キヤツプ１０を挿着するとともに管材１
と内側樹脂管２間には軟質塩化ビニル等の筒状キ
ヤツプ１１を挿着すれば端部を確実に保温できる
とともに雨水の侵入も防止される。 When curing the rear end of the pipe, the outer resin pipe 6 is sliced and removed so that the required length of the inner resin pipe 2 is exposed, and the low thermal emissivity film is rewound and cut. Then, the inner resin tube 2 is sliced into rings so that a predetermined length of the tube material 1 is exposed as shown in FIG. A terminal cap 10 made of soft vinyl chloride or the like having a two-pronged cylindrical part to be inserted into the inner resin pipe is inserted into the inner resin pipe.
By inserting a cylindrical cap 11 made of soft vinyl chloride or the like between the inner resin pipe 2 and the inner resin pipe 2, the end portion can be reliably kept warm and rainwater can be prevented from entering.
なお内側樹脂管は色違いのものを使用すると管
材を機器に接続する際往管と復管が一目で判別で
きて便利である。 It is convenient to use inner resin pipes with different colors so that you can tell at a glance which pipes are outgoing and which are incoming when connecting the pipes to equipment.
第１図は従来の断熱配管材の断面図、第２図は
同上斜面図、第３図は本発明の断熱配管材の断面
図、第４図は同上の側面断面図、第５図は同上の
斜面図、第６図は内側樹脂管の他の実施例の斜面
図、第７図は、断熱性能試験の説明図、第８図、
第９図は配管材の養生説明図である。
１……管材、２……内側樹脂管、５……低熱放
射率のフイルム、６……外側樹脂管、７……恒温
水槽、９……熱交換器。
Figure 1 is a sectional view of a conventional heat insulating piping material, Figure 2 is a perspective view of the same as above, Figure 3 is a sectional view of the heat insulating piping material of the present invention, Figure 4 is a side sectional view of the same as above, and Figure 5 is a sectional view of the same as above. FIG. 6 is a perspective view of another example of the inner resin pipe, FIG. 7 is an explanatory diagram of the heat insulation performance test, FIG.
FIG. 9 is an explanatory diagram of curing of piping materials. 1... Pipe material, 2... Inner resin pipe, 5... Low thermal emissivity film, 6... Outer resin pipe, 7... Constant temperature water tank, 9... Heat exchanger.
Claims (1)
突起を形成した波付き内側樹脂管と該内側樹脂管
を収容する内向きの突起を形成した波付き外側樹
脂管とを設け、内外樹脂管を長手方向に対して波
形とし、かつアルミニウム箔（金属箔）と合成樹
脂フイルムの積層体よりなる低熱放射率の金属箔
が外面になるように内側樹脂管の外面に巻付けた
ことを特徴とする断熱配管材。1. A corrugated inner resin tube with an inward protrusion for accommodating a pipe material such as a metal tube or a resin pipe, and a corrugated outer resin tube with an inward protrusion for accommodating the inner resin tube are provided. The tube is corrugated in the longitudinal direction, and the metal foil, which has a low thermal emissivity and is made of a laminate of aluminum foil (metal foil) and synthetic resin film, is wrapped around the outer surface of the inner resin tube so that the outer surface becomes the outer surface. Insulated piping material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58182570A JPS6078197A (en) | 1983-09-30 | 1983-09-30 | Heat-insulating piping material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58182570A JPS6078197A (en) | 1983-09-30 | 1983-09-30 | Heat-insulating piping material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6078197A JPS6078197A (en) | 1985-05-02 |
| JPH0254480B2 true JPH0254480B2 (en) | 1990-11-21 |
Family
ID=16120585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58182570A Granted JPS6078197A (en) | 1983-09-30 | 1983-09-30 | Heat-insulating piping material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6078197A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6256892U (en) * | 1985-09-30 | 1987-04-08 | ||
| JP3761108B2 (en) * | 1996-02-15 | 2006-03-29 | 株式会社竹中工務店 | Air layer insulation duct |
-
1983
- 1983-09-30 JP JP58182570A patent/JPS6078197A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6078197A (en) | 1985-05-02 |
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