JPH056096B2 - - Google Patents
Info
- Publication number
- JPH056096B2 JPH056096B2 JP22124485A JP22124485A JPH056096B2 JP H056096 B2 JPH056096 B2 JP H056096B2 JP 22124485 A JP22124485 A JP 22124485A JP 22124485 A JP22124485 A JP 22124485A JP H056096 B2 JPH056096 B2 JP H056096B2
- Authority
- JP
- Japan
- Prior art keywords
- interior
- exterior
- interior material
- heat insulating
- outer periphery
- 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
- 239000000463 material Substances 0.000 claims description 83
- 239000004744 fabric Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 39
- 238000009958 sewing Methods 0.000 claims description 34
- 239000011810 insulating material Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 14
- 239000012210 heat-resistant fiber Substances 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 7
- 239000011491 glass wool Substances 0.000 claims description 6
- 238000011900 installation process Methods 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 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
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Duct Arrangements (AREA)
- Thermal Insulation (AREA)
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は冷・暖房空調用等に使用されるフレキ
シブルダクトの製造方法およびフレキシブルダク
トに関する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a method for manufacturing a flexible duct used for cooling, heating, and air conditioning, and the flexible duct.
「従来の技術」
従来のフレキシブルダクトは内装材や外装材と
してガラス繊維にビニールをコーテイングしたも
のが使用されていた。このため、加工が容易で、
比較的安価であるが、内・外装材としてガラス繊
維にビニールをコーテイングしたものを使用して
いるため、不燃性に欠けるという欠点があるとと
もに、引張り強度が弱いという欠点があつた。``Conventional technology'' Conventional flexible ducts have used glass fiber coated with vinyl as interior and exterior materials. Therefore, it is easy to process,
Although it is relatively inexpensive, since it uses glass fiber coated with vinyl as its interior and exterior materials, it has the drawbacks of lack of flame resistance and low tensile strength.
「本発明の目的」
本発明は以上のような従来の欠点に鑑み、自由
に曲り、作業性が良いとともに、難燃性に優れか
つ引張り強度が強いフレキシブルダクトの製造方
法およびフレキシブルダクトを得るにある。``Object of the present invention'' In view of the above-mentioned conventional drawbacks, the present invention provides a method for manufacturing a flexible duct that bends freely, has good workability, has excellent flame retardancy, and has high tensile strength, and a method for obtaining the flexible duct. be.
「本発明の目的を達成するための手段」
本発明は柔軟性があり、不燃性であるガラスク
ロス等の内装布を用いて円筒状の内装材を作る内
装材製造工程と、この内装材製造工程で製造され
た内装材の外周に所定間隔で金属リングを縫製に
より取付けるリング取付け工程と、このリング取
付け工程を経た内装材の外周部に板状のグラスウ
ール等の保温材を巻き付け固定する保温材巻き付
け工程と、この保温材巻き付け工程を経たものを
柔軟性があり、不燃性であるガラスクロス等の外
装布を用いて縫製した外装材内に挿入する外装材
取付け工程と、前記保温材巻き付け工程を経たも
のの両端外周部の保温材を圧着してテーピングす
るテーピング工程と、このテーピング工程および
前記外装材取付け工程を経たものの外装材および
内装材の両端部を縫製加工により縫着固定する両
端部縫着固定工程とを含むことを特徴としてい
る。"Means for Achieving the Objects of the Invention" The present invention relates to an interior material manufacturing process for producing a cylindrical interior material using a flexible and nonflammable interior fabric such as glass cloth, and a process for manufacturing this interior material. A ring attachment process in which metal rings are sewn at predetermined intervals around the outer periphery of the interior material manufactured in the process, and a heat insulating material in which a heat insulating material such as plate-shaped glass wool is wrapped and fixed around the outer periphery of the interior material that has undergone this ring attachment process. a wrapping process, an exterior material attachment process in which the material that has undergone this insulation material wrapping process is inserted into an exterior material sewn using a flexible and nonflammable exterior fabric such as glass cloth, and the insulation material wrapping process. A taping process in which the insulation material on the outer periphery of both ends of the product is crimped and taped, and both ends are sewn and fixed by sewing on both ends of the exterior and interior materials that have undergone this taping process and the exterior material attachment process. The method is characterized by including a fixing step.
また、本発明は柔軟性があり、不燃性があるガ
ラスクロス等の内装布を用いて円筒状に耐熱性繊
維で形成した縫製用糸で縫製された内装材と、こ
の内装材の外周に所定間隔で配置した金属リング
と、これらの金属リングを前記内装材に固定する
前記内装布を帯状に形成した前記縫製用糸で前記
内装材に縫製される取付け布と、前記金属リング
が取付けられた内装材の外周部を覆うグラスウー
ル等の保温材と、この保温材の外周部を覆う、柔
軟性があり、不燃性であるガラスクロス等の外装
布を用いて円筒状に前記縫製用糸で縫製された外
装材と、前記保温材の両端部を圧着固定するテー
プと、前記内装材および外装材の両端部を縫製固
定する耐熱性繊維で形成した縫製用糸とを備える
ことを特徴としている。 The present invention also provides an interior material that is made of a flexible, non-combustible interior fabric such as glass cloth and sewn with sewing thread made of heat-resistant fibers into a cylindrical shape, and a predetermined area around the outer periphery of this interior material. metal rings arranged at intervals, an attachment cloth that fixes these metal rings to the interior material and is sewn to the interior material using the sewing thread formed from the interior fabric formed into a belt, and the metal rings are attached to the interior material. A cylindrical shape is sewn using the sewing thread described above using a heat insulating material such as glass wool that covers the outer periphery of the interior material and an exterior cloth such as flexible and nonflammable glass cloth that covers the outer periphery of this heat insulating material. The present invention is characterized by comprising: an exterior material made of a heat-retaining material, a tape for crimping and fixing both ends of the heat insulating material, and a sewing thread made of heat-resistant fiber for sewing and fixing both ends of the interior material and the exterior material.
「本発明の実施例」
以下、図面に示す実施例により、本発明を詳細
に説明する。"Embodiments of the present invention" The present invention will be described in detail below with reference to embodiments shown in the drawings.
第１図ないし第１２図の実施例において、１は
内装材製造工程で、この内装材製造工程１は、第
２図に示すように柔軟性があり、不燃性であるガ
ラスクロスの片面にPVC（ポリ塩化ビニール樹
脂）をコーテイングした長方形状の内装布２を用
いて両端部を耐熱性繊維で形成した、例えばコー
ネツクス（商品名）等の縫製用糸３を用いた、ミ
シンによる縫製により円筒状の内装材４を製造す
る。 In the embodiments shown in FIGS. 1 to 12, 1 is an interior material manufacturing process, and as shown in FIG. A rectangular interior fabric 2 coated with (polyvinyl chloride resin) is used, and both ends are made of heat-resistant fibers.For example, a cylindrical shape is formed by sewing with a sewing machine using a sewing thread 3 such as Cornex (trade name). The interior material 4 is manufactured.
５は前記内装材製造工程１で製造された内装材
４の外周に所定間隔で金属リング６を取付けるリ
ング取付け工程で、このリング取付け工程５は第
３図に示すように、まず、内装材４の外周に、例
えば１，5φのSUSの鋼線で形成した金属リング
６を位置させ、この金属リング６を覆うように前
記内装布２と同じ材質で形成した帯状の取付け布
７を位置させ、該取付け布７の両端部と内装材４
とを前記縫製用糸３を用いたミシンによる縫製に
より取付ける。次に金属リング６を所定間隔離間
させた位置にセツトして前述と同様に取付ける。 5 is a ring attaching step in which metal rings 6 are attached at predetermined intervals around the outer periphery of the interior material 4 manufactured in the interior material manufacturing process 1. In this ring attaching step 5, as shown in FIG. A metal ring 6 made of, for example, 1.5φ SUS steel wire is placed on the outer periphery of the metal ring 6, and a belt-shaped mounting cloth 7 made of the same material as the interior cloth 2 is placed so as to cover this metal ring 6. Both ends of the mounting cloth 7 and the interior material 4
and are attached by sewing with a sewing machine using the sewing thread 3. Next, the metal rings 6 are set at positions separated by a predetermined distance and attached in the same manner as described above.
なお、内装材４の外周に所定間隔で複数個の金
属リング６を配置し、それぞれの金属リング６を
取付け布７で覆い同時に縫製して取付けても良
い。 Alternatively, a plurality of metal rings 6 may be arranged around the outer periphery of the interior material 4 at predetermined intervals, and each metal ring 6 may be covered with a mounting cloth 7 and simultaneously sewn and mounted.
８は第４図に示すように、前記リング取付け工
程５を経た内装材４Ａの外周部に板状のグラスウ
ール等の保温材９を巻き付け、端部をスプレー糊
によつて接着させる保温材巻き付け工程である。 8, as shown in FIG. 4, a heat insulating material wrapping step in which a heat insulating material 9 such as plate-shaped glass wool is wrapped around the outer circumference of the interior material 4A that has undergone the ring attachment step 5, and the ends are bonded with spray glue. It is.
１０は前記保温材巻き付け工程８を経たものを
外装材１１に挿入する外装材取付け工程で、この
外装材取付け工程１０は、第５図に示すように前
記内装布２と同じ材質で形成した長方形状の外装
布１２を用いて両端部を前記縫製用糸３を用い
た、ミシンによる縫製により円筒状に形成した
後、反転させて縫製部分を内側に位置させて外装
材１１を形成した後、この外装材１１内に前記保
温材巻き付け工程８を経たものを挿入する。 Reference numeral 10 denotes an exterior material attachment step in which the heat insulating material wrapping step 8 is inserted into an exterior material 11. This exterior material attachment step 10 is performed by inserting a rectangular material made of the same material as the interior fabric 2, as shown in FIG. After forming the outer covering cloth 12 into a cylindrical shape by sewing both ends with a sewing machine using the sewing thread 3, the outer covering material 11 is formed by inverting the outer covering cloth 12 and positioning the sewn portion inside. The material that has undergone the heat insulating material wrapping step 8 is inserted into this exterior material 11.
１３は第６図に示すように、前記内装材４Ａの
両端部の外周部に巻き付けられた保温材９を圧着
して薄肉形状となるように布テープ１４を用いて
テーピングするテーピング工程である。 13, as shown in FIG. 6, is a taping step in which the heat insulating material 9 wound around the outer periphery of both ends of the interior material 4A is crimped and taped using cloth tape 14 so as to have a thin shape.
１５は第７図に示すように、前記テーピング工
程１３を経たものを外装材１１の両端部で内装材
４Ａの両端部を覆つた後、前記縫製用糸３を用い
た、ミシンによる縫製加工により縫着固定する両
端部縫着固定工程である。 15, as shown in FIG. 7, after the material that has gone through the taping step 13 is covered with both ends of the interior material 4A with both ends of the exterior material 11, it is sewn by a sewing machine using the sewing thread 3. This is a step of sewing and fixing both ends.
１６は前記両端部縫着固定工程１５を経たもの
の両端部に、第１１図および第１２図に示す取付
けバンド１７を取付ける取付けバンド取付け工程
である。 Reference numeral 16 denotes an attachment band attaching step in which attaching bands 17 shown in FIGS. 11 and 12 are attached to both ends of the product that has passed through the both ends sewing fixing step 15.
上記製造方法で製造された、第８図に示すフレ
キシブルダクト１８は、第９図に示すようにエル
ボ状に曲げられて使用されたり、あるいは第１０
図に示すようにＳ字状に曲げられて使用される。 The flexible duct 18 shown in FIG. 8 manufactured by the above manufacturing method is bent into an elbow shape as shown in FIG.
It is used by being bent into an S-shape as shown in the figure.
「本発明の異なる実施例」
次に第１３図に示す本発明の異なる実施例につ
き説明する。なお、この実施例の説明に当つて、
前記本発明の実施例と同一構成部分には同一符号
を付して重複する説明を省略する。"Different Embodiments of the Present Invention" Next, different embodiments of the present invention shown in FIG. 13 will be described. In addition, in explaining this example,
Components that are the same as those in the embodiments of the present invention are given the same reference numerals and redundant explanations will be omitted.
第１３図の実施例において、前記本発明の実施
例と主に異なる点は、保温材巻き付け工程８と外
装材取付け工程１０との間にテーピング工程１３
を行なつた点で、このようにしてフレキシブルダ
クト１８を製造しても前記本発明の実施例と同様
な作用効果が得られる。 In the embodiment shown in FIG. 13, the main difference from the embodiment of the present invention is that a taping step 13 is provided between the heat insulating material wrapping step 8 and the exterior material attaching step 10.
In that the flexible duct 18 is manufactured in this manner, the same effects as in the embodiments of the present invention can be obtained.
なお、前記本発明の実施例では内装材の外周部
に多数個の金属リングを固定するものについて説
明したが、本発明はこれに限らず、螺旋状の金属
リングを内装材の外周部に固定しても良い。 In addition, in the embodiment of the present invention, a case has been described in which a large number of metal rings are fixed to the outer periphery of the interior material, but the present invention is not limited to this, and the present invention is not limited to this. You may do so.
「本発明の効果」
以上の説明から明らかなように、本発明にあつ
ては、次に列挙する効果がある。"Effects of the Present Invention" As is clear from the above description, the present invention has the following effects.
(1) 内装材や外装材を柔軟性があり、不燃性であ
るガラスクロス等の内装布や外装布を用いてい
るので、難燃性に優れている。(1) The interior and exterior materials are flexible and have excellent flame retardancy because they are made of nonflammable interior and exterior fabrics such as glass cloth.
(2) 柔軟性があり、不燃性であるガラスクロス等
の内装布や外装布を用いても耐熱性繊維で形成
した縫製用糸を用いた縫製加工によつて内装材
や外装材に加工することができる。(2) Even if flexible, nonflammable interior and exterior fabrics such as glass cloth are used, they can be processed into interior and exterior materials by sewing using sewing thread made of heat-resistant fibers. be able to.
(3) 内装材の外周に所定間隔で金属リングを縫製
加工によつて固定しているので、自由に曲り、
取付け時の作業性が良い。(3) Metal rings are sewn onto the outer circumference of the interior material at predetermined intervals, allowing it to bend freely.
Good workability during installation.
(4) 内装布や外装布としてガラスクロスの片面に
PVCをコーテイングしたものを用いることに
より、引張り強度を強くすることができる。(4) On one side of glass cloth as interior fabric or exterior fabric
By using a PVC coated material, the tensile strength can be increased.
第１図は本発明の一実施例を示す工程図、第２
図は内装材製造工程の説明図、第３図はリング取
付け工程の説明図、第４図は保温材巻き付け工程
の説明図、第５図は外装材取付け工程の説明図、
第６図はテーピング工程の説明図、第７図は両端
部縫着工程の説明図、第８図は本発明のフレキシ
ブルダクトの一部破断面図、第９図および第１０
図はフレキシブルダクトの使用状態の説明図、第
１１図および第１２図は取付けバンドの説明図、
第１３図は本発明の異なる実施例を示す説明図で
ある。
１：内装材製造工程、２：内装布、３：縫製用
糸、４，４Ａ：内装材、５：リング取付け工程、
６：金属リング、７：取付け布、８：保温材巻き
付け工程、９：保温材、１０：外装材取付け工
程、１１：外装材、１２：外装布、１３：テーピ
ング工程、１４：布テープ、１５：両端部縫着固
定工程、１６：取付けバンド取付け工程、１７：
取付けバンド、１８：フレキシブルダクト。
Figure 1 is a process diagram showing one embodiment of the present invention, Figure 2 is a process diagram showing an embodiment of the present invention.
Figure 3 is an explanatory diagram of the interior material manufacturing process, Figure 3 is an explanatory diagram of the ring attachment process, Figure 4 is an explanatory diagram of the heat insulation material wrapping process, Figure 5 is an explanatory diagram of the exterior material attachment process,
Fig. 6 is an explanatory diagram of the taping process, Fig. 7 is an explanatory diagram of the both end sewing process, Fig. 8 is a partially cutaway cross-sectional view of the flexible duct of the present invention, and Figs. 9 and 10.
The figure is an explanatory diagram of the usage state of the flexible duct, Figures 11 and 12 are explanatory diagrams of the mounting band,
FIG. 13 is an explanatory diagram showing a different embodiment of the present invention. 1: Interior material manufacturing process, 2: Interior fabric, 3: Sewing thread, 4, 4A: Interior material, 5: Ring attachment process,
6: Metal ring, 7: Mounting cloth, 8: Heat insulation material wrapping process, 9: Heat insulation material, 10: Exterior material installation process, 11: Exterior material, 12: Exterior fabric, 13: Taping process, 14: Cloth tape, 15 : Both ends sewing fixation process, 16: Attachment band attachment process, 17:
Mounting band, 18: Flexible duct.
Claims (1)
の内装布を用いて円筒状の内装材を作る内装材製
造工程と、この内装材製造工程で製造された内装
材の外周に所定間隔で金属リングを縫製により取
付けるリング取付け工程と、このリング取付け工
程を経た内装材の外周部に板状のグラスウール等
の保温材を巻き付け固定する保温材巻き付け工程
と、この保温材巻き付け工程を経たものを柔軟性
があり、不燃性であるガラスクロス等の外装布を
用いて縫製した外装材内に挿入する外装材取付け
工程と、前記保温材巻き付け工程を経たものの両
端外周部の保温材を圧着してテーピングするテー
ピング工程と、このテーピング工程および前記外
装材取付け工程を経たものの外装材および内装材
の両端部を縫製加工により縫着固定する両端部縫
着固定工程とを含むことを特徴とするフレキシブ
ルダクトの製造方法。 ２ 内装材製造工程はガラスクロスの片面に
PVCをコーテイングした内装布を用いて製造さ
れていることを特徴とする特許請求の範囲第１項
記載のフレキシブルダクトの製造方法。 ３ リング取付け工程は内装材の外周に取付けた
金属リングの上部を内装材と同一の内装布で形成
したベルトで覆い該ベルトの両端部を耐熱性繊維
で形成した縫製用糸で内装材に縫着固定する作業
であることを特徴とする特許請求の範囲第１項ま
たは第２項記載のフレキシブルダクトの製造方
法。 ４ 保温材巻き付け工程は内装材の外周部に板状
のグラスウール等の保温材を巻き付けた後、スプ
レー糊で接着固定させる作業であることを特徴と
する特許請求の範囲第１項ないし第３項いずれか
に記載のフレキシブルダクトの製造方法。 ５ 外装材取付け工程で用いられる外装材はガラ
スクロスの片面にPVCをコーテイングした板状
の外装布の両端部を耐熱性繊維で形成した縫製用
糸で縫製し、反転させて円筒形状に形成されてい
ることを特徴とする特許請求の範囲第１項ないし
第４項いずれかに記載のフレキシブルダクトの製
造方法。 ６ 柔軟性があり、不燃性があるガラスクロス等
の内装布を用いて円筒状に耐熱性繊維で形成した
縫製用糸で縫製された内装材と、この内装材の外
周に所定間隔で配置した金属リングと、これらの
金属リングを前記内装材に固定する前記内装布を
帯状に形成した前記縫製用糸で前記内装材に縫製
される取付け布と、前記金属リングが取付けられ
た内装材の外周部を覆うグラスウール等の保温材
と、この保温材の外周部を覆う、柔軟性があり、
不燃性であるガラスクロス等の外装布を用いて円
筒状に前記縫製用糸で縫製された外装材と、前記
保温材の両端部を圧着固定するテープと、前記内
装材および外装材の両端部を縫製固定する耐熱性
繊維で形成した縫製用糸とを備えることを特徴と
するフレキシブルダクト。 ７ 内装材および外装材はガラスクロスの片面に
PVCをコーテイングした内・外装布を用いて形
成していることを特徴とする特許請求の範囲第６
項記載のフレキシブルダクト。[Claims] 1. An interior material manufacturing process for producing a cylindrical interior material using a flexible and nonflammable interior fabric such as glass cloth, and an interior material manufacturing process that uses this interior material manufacturing process. A ring attachment process in which metal rings are sewn at predetermined intervals around the outer circumference, a heat insulating material wrapping process in which a heat insulating material such as plate-shaped glass wool is wrapped and fixed around the outer periphery of the interior material that has undergone this ring attaching process, and this heat insulating material wrapping. The exterior material installation process involves inserting the finished product into the exterior material sewn using a flexible, nonflammable exterior fabric such as glass cloth, and the insulation of the outer periphery of both ends of the product that has gone through the insulation material wrapping process. The method includes a taping step in which materials are crimped and taped, and a both ends sewing fixing step in which both ends of the exterior material and interior material that have undergone this taping step and the exterior material attachment step are sewn and secured by sewing. Features: Flexible duct manufacturing method. 2 The interior material manufacturing process is done on one side of the glass cloth.
A method for manufacturing a flexible duct according to claim 1, characterized in that the flexible duct is manufactured using an interior fabric coated with PVC. 3. In the ring attachment process, the upper part of the metal ring attached to the outer periphery of the interior material is covered with a belt made of the same interior fabric as the interior material, and both ends of the belt are sewn to the interior material with sewing thread made of heat-resistant fiber. The method for manufacturing a flexible duct according to claim 1 or 2, characterized in that the work is fixing. 4. Claims 1 to 3, characterized in that the step of wrapping the heat insulating material is a process of wrapping a heat insulating material such as plate-shaped glass wool around the outer periphery of the interior material and then adhesively fixing it with spray glue. A method for manufacturing a flexible duct according to any one of the above. 5. The exterior material used in the exterior material installation process is made by sewing a plate-shaped exterior cloth made of glass cloth coated with PVC on one side with sewing thread made of heat-resistant fibers, and then inverting it to form a cylindrical shape. A method for manufacturing a flexible duct according to any one of claims 1 to 4, characterized in that: 6 Interior material sewn with sewing thread made of heat-resistant fiber in a cylindrical shape using interior fabric such as glass cloth that is flexible and nonflammable, and interior materials arranged at predetermined intervals around the outer periphery of this interior material metal rings, an attachment cloth that fixes these metal rings to the interior material and is sewn to the interior material using the sewing thread formed from the interior fabric in a band shape, and an outer periphery of the interior material to which the metal rings are attached. A heat insulating material such as glass wool that covers the outer periphery of the heat insulating material, and a flexible material that covers the outer periphery of this heat insulating material.
An exterior material sewn into a cylindrical shape with the sewing thread using a non-combustible exterior cloth such as glass cloth, a tape for crimping and fixing both ends of the heat insulating material, and both ends of the interior material and exterior material. A flexible duct comprising a sewing thread made of heat-resistant fiber for fixing the flexible duct by sewing. 7 Interior and exterior materials are placed on one side of the glass cloth.
Claim 6, characterized in that it is formed using inner and outer fabric coated with PVC.
Flexible duct as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22124485A JPS6280444A (en) | 1985-10-04 | 1985-10-04 | Flexible duct and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22124485A JPS6280444A (en) | 1985-10-04 | 1985-10-04 | Flexible duct and manufacture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6280444A JPS6280444A (en) | 1987-04-13 |
| JPH056096B2 true JPH056096B2 (en) | 1993-01-25 |
Family
ID=16763722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22124485A Granted JPS6280444A (en) | 1985-10-04 | 1985-10-04 | Flexible duct and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6280444A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4620601B2 (en) * | 2006-02-06 | 2011-01-26 | 株式会社オーツカ | Flexible duct |
| KR100835787B1 (en) | 2007-05-08 | 2008-06-05 | 두현태 | Flexible duct and manufacturing method thereof |
-
1985
- 1985-10-04 JP JP22124485A patent/JPS6280444A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6280444A (en) | 1987-04-13 |
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