JPH02253084A - Header for hot water supply - Google Patents

Header for hot water supply

Info

Publication number
JPH02253084A
JPH02253084A JP1072337A JP7233789A JPH02253084A JP H02253084 A JPH02253084 A JP H02253084A JP 1072337 A JP1072337 A JP 1072337A JP 7233789 A JP7233789 A JP 7233789A JP H02253084 A JPH02253084 A JP H02253084A
Authority
JP
Japan
Prior art keywords
thermoplastic resin
header
cross
hot water
pipe
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.)
Granted
Application number
JP1072337A
Other languages
Japanese (ja)
Other versions
JP2860942B2 (en
Inventor
Hiroyuki Nishimura
寛之 西村
Akio Nakashiba
中芝　明雄
Fumio Hase
文夫 長谷
Kazunori Mito
水戸　和憲
Toshio Shibabuchi
利夫 柴渕
Mikio Nakaoka
幹夫 中岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinwa Sangyo Co Ltd
Mitsui Petrochemical Industries Ltd
Osaka Gas Co Ltd
Original Assignee
Shinwa Sangyo Co Ltd
Mitsui Petrochemical Industries Ltd
Osaka Gas Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shinwa Sangyo Co Ltd, Mitsui Petrochemical Industries Ltd, Osaka Gas Co Ltd filed Critical Shinwa Sangyo Co Ltd
Priority to JP1072337A priority Critical patent/JP2860942B2/en
Priority to US07/462,717 priority patent/US5150922A/en
Priority to CA002007520A priority patent/CA2007520C/en
Priority to ES90300307T priority patent/ES2075877T3/en
Priority to EP90300307A priority patent/EP0378406B1/en
Priority to AT90300307T priority patent/ATE123860T1/en
Priority to DE69019998T priority patent/DE69019998T2/en
Priority to DE69032332T priority patent/DE69032332T2/en
Priority to EP93118038A priority patent/EP0585974B1/en
Priority to AT93118038T priority patent/ATE166442T1/en
Priority to DK90300307.7T priority patent/DK0378406T3/en
Publication of JPH02253084A publication Critical patent/JPH02253084A/en
Priority to US07/913,632 priority patent/US5366253A/en
Priority to US08/067,083 priority patent/US5375889A/en
Application granted granted Critical
Publication of JP2860942B2 publication Critical patent/JP2860942B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/246—T-joints

Landscapes

  • Branch Pipes, Bends, And The Like (AREA)

Abstract

PURPOSE:To obtain a light-weighted and corrosion-resistant header excellent in heat-resisting strength and sealing property, easy to connect with plastic piping, and suitable to mass production by providing a uncross-linked thermoplastic resin layer and a heating wire in a faucet provided on a header body formed of a cross-linked thermoplastic resin. CONSTITUTION:A header 1 is manufactured by injecting a cross-linking polyolefin containing a cross linking agent and a cross-linking aid in polyolefin in the state where an uncross-linked polyolefin layer 22 having a heating wire 23 buried in or wound on its inner part, outer surface or inner surface is inserted in an injection molding die to laminate and integrate them, and then cross- linking the cross-linking polyolefin layer to form a cross-linked polyolefin layer 21. A hot water main pipe 8 and each branch pipe 13a... from a heat source equipment are installed in such a manner as to contact with the uncross-linked polyolefin layer 22 of each faucet 11, 12a..., and a current is sent to the heating wire 23 from connecting terminals 24, 25, whereby the layer 22 is integrally fused onto a melted pipe to be connected. Hence, the header 1 and the pipe to be connected can be connected to each other in the leakage preventing state.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は給湯器等の熱源機器から、温水を使用場所に分
配するための給湯用へラグ−に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a hot water supply lag for distributing hot water from a heat source device such as a water heater to a place of use.

〔従来の技術〕[Conventional technology]

第３図は給湯配管系を示す配管図である。図において、
コはヘッダーで、給湯器等の熱源機器２から供給される
温水を分配して、台所の蛇口３、洗面所の蛇口４、浴室
の蛇口５等に分配するようになっている。熱源機器２は
給水管６から供給される水を、ガス管７から供給される
ガスの燃焼により加熱し、給湯主管８からヘッダー１に
供給するようになっている。FIG. 3 is a piping diagram showing the hot water supply piping system. In the figure,
A header is used to distribute hot water supplied from a heat source device 2 such as a water heater to a kitchen faucet 3, a washroom faucet 4, a bathroom faucet 5, etc. The heat source device 2 heats water supplied from a water supply pipe 6 by burning gas supplied from a gas pipe 7, and supplies the heated water to the header 1 from a main hot water supply pipe 8.

ヘッダー１は金属により中空状に形成され、１個の入口
側受口１１および複数の同径の出口側受口］、２ａ、１
２ｂ、１．２ｃ、１２ｄ・が設けられている。入口側受
口１１は給湯主管８に、出口側受口１２ａ、１２ｂ、１
２ｃ、　１２ｃｌ−は分岐管１３ａ、１３ｂ、］、３ｃ
、１．３ｄ−・にそれぞれねし等の固着手段により接続
している。分岐管１３ａ・は口径が蛇口３．４．５にそ
れぞれの容量に応した温水を供給するような分岐管にな
っている。The header 1 is formed of metal in a hollow shape, and has one inlet side socket 11 and a plurality of outlet side sockets of the same diameter], 2a, 1
2b, 1.2c, and 12d. The inlet side socket 11 is connected to the hot water main pipe 8, and the outlet side sockets 12a, 12b, 1
2c, 12cl- are branch pipes 13a, 13b, ], 3c
, 1.3d-. are connected to each other by fixing means such as screws. The branch pipe 13a has a diameter such that it supplies hot water to the faucets 3, 4, and 5 according to their respective capacities.

しかしながら従来のヘッダー１は金属により成形されて
いるため、腐食しやすく、重質であるとともに、プラス
チック配管との接続が困難であり、大量生産に適してい
ないという問題点があった。However, since the conventional header 1 is molded from metal, it is easily corroded, is heavy, and is difficult to connect to plastic piping, so there are problems in that it is not suitable for mass production.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

本発明の目的は、上記問題点を解決するため、軽量で耐
食性があり、プラスチック配管との接続が容易で、大量
生産に適した給湯用ヘッダーを提供することである。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an object of the present invention is to provide a hot water supply header that is lightweight, corrosion resistant, easy to connect to plastic piping, and suitable for mass production.

〔課題を解決するための手段〕[Means to solve the problem]

本発明は、熱源機器からの温水を分配するための給湯用
ヘッダーであって、架橋熱可塑性樹脂により中空状に成
形されたヘッダー本体と、このヘッダー本体に設けられ
た入口側および出口側受口とを備え、この受口の少なく
とも一部が、架橋熱可塑性樹脂によりヘッダー本体と一
体成形された管状の架橋熱可塑性樹脂層、この架橋熱可
塑性樹脂層の被接続配管との接合部に一体的に積層され
た非架橋熱可塑性樹脂層、および非架橋熱可塑性樹脂層
の内部、外表面または内表面に設けられた電熱線を有す
ることを特徴とする給湯用ヘッダーである。The present invention is a hot water supply header for distributing hot water from a heat source device, and includes a header body formed into a hollow shape from a crosslinked thermoplastic resin, and an inlet side and an outlet side socket provided in the header body. A tubular crosslinked thermoplastic resin layer, at least a part of which is integrally molded with the header body from a crosslinked thermoplastic resin, is integrally formed at the joint of the crosslinked thermoplastic resin layer with the connected piping. This hot water supply header is characterized by having a non-crosslinked thermoplastic resin layer laminated on the water heater, and a heating wire provided inside, on the outer surface, or on the inner surface of the non-crosslinked thermoplastic resin layer.

本発明では、架橋熱可塑性樹脂層の一端部と非架橋熱可
塑性樹脂層とは隣接して一体化している。In the present invention, one end portion of the crosslinked thermoplastic resin layer and the non-crosslinked thermoplastic resin layer are adjacent to each other and integrated.

架橋熱可塑性樹脂は融着性を有しないため、架橋後の架
橋熱可塑性樹脂と非架橋熱可塑性樹脂を射出成形等によ
り成形しても、それぞれの層は分離して一体化しないが
、未架橋の架橋性熱可塑性樹脂と非架橋熱可塑性樹脂と
を加熱成形して一体化し、その後架橋性熱可塑性樹脂を
架橋させると、架橋熱可塑性樹脂と非架橋熱可塑性樹脂
が一体化した積層体が得られる。本発明ではこのように
架橋熱可塑性樹脂層と非架橋熱可塑性樹脂層が一体化し
た積層体を使用する。Crosslinked thermoplastic resin does not have fusion properties, so even if crosslinked thermoplastic resin and non-crosslinked thermoplastic resin are molded by injection molding etc., each layer will separate and will not be integrated. When a crosslinkable thermoplastic resin and a non-crosslinked thermoplastic resin are heat-molded and then integrated, and the crosslinkable thermoplastic resin is then crosslinked, a laminate in which the crosslinked thermoplastic resin and the non-crosslinked thermoplastic resin are integrated is obtained. It will be done. In the present invention, a laminate in which the crosslinked thermoplastic resin layer and the non-crosslinked thermoplastic resin layer are integrated is used.

架橋熱可塑性樹脂は、熱可塑性樹脂の分子間架橋により
立体構造となったものであり、シラン架橋熱可塑性樹脂
、ジビニルベンゼン架橋熱可塑性樹脂などの架橋剤によ
り架橋したもののほか、有機過酸化物、放射線等により
直接架橋したものでもよい。Crosslinked thermoplastic resin has a three-dimensional structure due to intermolecular crosslinking of thermoplastic resin, and in addition to those crosslinked with crosslinking agents such as silane crosslinked thermoplastic resin and divinylbenzene crosslinked thermoplastic resin, organic peroxide, It may also be directly crosslinked by radiation or the like.

非架橋熱可塑性樹脂は一般に熱可塑性樹脂として使用さ
れている架橋性を有しないボリオレフィン等の樹脂を例
示できる。Examples of the non-crosslinked thermoplastic resin include polyolefin and other resins that do not have crosslinking properties and are generally used as thermoplastic resins.

本発明に係わる熱可塑性樹脂としてはポリオレフィンを
例示でき、ポリオレフィンとしては、炭素数２〜２０、
好ましくは２〜１２のα−オレフィンの単独または共重
合体があげられる。好ましいα−オレフィンとしては、
エチレン、プロピレン、ブテン−１，４−メチルペンテ
ン−１などがあげられる。As the thermoplastic resin according to the present invention, polyolefin can be exemplified, and examples of the polyolefin include carbon atoms of 2 to 20,
Preferably, a single or copolymer of 2 to 12 α-olefins is used. Preferred α-olefins include:
Examples include ethylene, propylene, butene-1,4-methylpentene-1, and the like.

一部の受口に非架橋熱可塑性樹脂層および電熱線を形成
する場合、他の受口には通常の配管との接続部材を取付
けることができる。接続部材としては、ねじ等の接続端
末への接続部を一端に有する金属管などが使用できる。When a non-crosslinked thermoplastic resin layer and a heating wire are formed in some of the sockets, connecting members for normal piping can be attached to other sockets. As the connection member, a metal tube or the like having a connection part to a connection terminal such as a screw at one end can be used.

接続部材と架橋熱可塑性樹脂層との固着は、変性熱可塑
性樹脂等の接着性材料により接着するのが好ましい。接
着性材料は接続部材と架橋熱可塑性樹脂層との間に介在
させるのが好ましいが、架橋熱可塑性樹脂層に分散して
いてもよい。The connection member and the crosslinked thermoplastic resin layer are preferably bonded together using an adhesive material such as a modified thermoplastic resin. The adhesive material is preferably interposed between the connecting member and the crosslinked thermoplastic resin layer, but may be dispersed in the crosslinked thermoplastic resin layer.

変性熱可塑性樹脂としては、ポリオレフィンをアクリル
酸、マレイン酸などの不飽和カルボン酸；無水マレイン
酸などの不７飽和カルボン酸無水物；不飽和カルボン酸
のアミド；グリシジルメタクリレートなどの不飽和エポ
キシド等の変性モノマーでグラフト共重合することによ
って変性したものがある。変性熱可塑性樹脂中の変性モ
ノマーの含有量は変性熱可塑性樹脂に対し０．００１な
いし５重量％であることが望ましい。Modified thermoplastic resins include polyolefins such as unsaturated carboxylic acids such as acrylic acid and maleic acid; unsaturated carboxylic anhydrides such as maleic anhydride; amides of unsaturated carboxylic acids; and unsaturated epoxides such as glycidyl methacrylate. Some are modified by graft copolymerization with modified monomers. The content of the modifying monomer in the modified thermoplastic resin is preferably 0.001 to 5% by weight based on the modified thermoplastic resin.

〔作　用〕[For production]

本発明の給湯用ヘッダーは、内部、外表面、または内表
面に電熱線を配置した管状の非架橋熱可塑性樹脂層を、
射出成形型内にインサートした状態で、架橋性熱可塑性
樹脂を射出して積層一体止した後、架橋性熱可塑性樹脂
層を架橋させて架橋熱可塑性樹脂層を形成することによ
り製造される。The hot water supply header of the present invention includes a tubular non-crosslinked thermoplastic resin layer with heating wires arranged inside, on the outer surface, or on the inner surface.
It is manufactured by inserting it into an injection mold, injecting a crosslinkable thermoplastic resin, stacking and fixing it together, and then crosslinking the crosslinkable thermoplastic resin layer to form a crosslinked thermoplastic resin layer.

接続部材を取付ける場合は、後から取付けてもよいが、
変性熱可塑性樹脂等の接着性材料をコーティングした接
続部材をインサートして射出成形することもできる。こ
の場合、接着性材料は非架橋熱可塑性樹脂層にコーティ
ングせず、射出する架橋性熱可塑性樹脂中に分散させて
おいてもよい。When installing the connecting member, it may be installed later, but
Injection molding can also be performed by inserting a connecting member coated with an adhesive material such as a modified thermoplastic resin. In this case, the adhesive material may not be coated on the non-crosslinked thermoplastic resin layer, but may be dispersed in the crosslinkable thermoplastic resin to be injected.

こうして製造された給湯用ヘッダーは、熱源機器からの
給湯主管を入口側受口に接続し、各蛇口等への分岐管を
出口側受口に接続して使用する。The hot water supply header manufactured in this way is used by connecting the main hot water supply pipe from the heat source equipment to the inlet side socket, and connecting the branch pipes to each faucet etc. to the outlet side socket.

このとき接続部材を取付けた場合は、被接続配管の接続
端末に接続部材を接続し、熱可塑性樹脂チューブ等のプ
ラスチック環の被接続配管を非架橋熱可塑性樹脂層と接
するように取付け、電熱線に通電すると、非架橋熱可塑
性樹脂層が溶融して被接続配管に一体的↓こ融着する。If a connecting member is attached at this time, connect the connecting member to the connecting terminal of the pipe to be connected, attach the pipe to be connected with a plastic ring such as a thermoplastic resin tube so that it is in contact with the non-crosslinked thermoplastic resin layer, and When electricity is applied, the non-crosslinked thermoplastic resin layer melts and is integrally fused to the pipe to be connected.

これによりヘッダーと被接続配管とを漏洩防止状態で確
実に接続することができる。Thereby, the header and the connected piping can be reliably connected in a leak-proof state.

被接続配管としては表層または全体が然可ゆ性樹脂、特
に相溶性を有する樹脂からなるものが好ましく、非架橋
の熱可塑性樹脂からなるものは特に優れた融着性を示す
。As for the pipe to be connected, it is preferable that the surface layer or the whole thereof is made of a naturally flexible resin, especially a compatible resin, and a pipe made of a non-crosslinked thermoplastic resin exhibits particularly excellent fusion properties.

〔実施例〕〔Example〕

以下、本発明の実施例を図面により説明する。 Embodiments of the present invention will be described below with reference to the drawings.

第１図および第２図は別の実施例の給湯用へラグ−の一
部を断面で示す正面図である。FIGS. 1 and 2 are front views showing a section of a part of a hot water supply lug according to another embodiment.

ヘッダー」は、中空状のヘッダー本体１ａと、管状の入
口側受口ＩＪおよび複数の出口側受口１２ａ、１２ｂ、
１２ｃ、１２ｄの架橋ポリオレフィン層２１　とが架橋
ポリオレフィンにより一体成形されている。入口側受口
１１はヘッダー１の一端側に開口し、出口側受口１２ａ
・・はこれと直角方向に開口するように列状に設けられ
ている。The header includes a hollow header main body 1a, a tubular inlet port IJ, a plurality of outlet ports 12a, 12b,
The crosslinked polyolefin layers 21 of 12c and 12d are integrally molded from crosslinked polyolefin. The inlet side socket 11 opens at one end side of the header 1, and the outlet side socket 12a
... are provided in a row so as to open in a direction perpendicular to this.

受口１１．１２ａ・・・のうち、第１図ではすべての受
口、第２図では出口側受口１２ａ・・１２ｄは、ヘッダ
ー本体１ａと一体成形された管状の架橋ポリオレフィン
層２１の内周面に、管状の非架橋ポリオレフィン層２２
が架橋ポリオレフィン層２１と一体化するように積層さ
れ、その内部にコイル状の電熱線２３が埋設されて、接
続端子２４．２５に接続し、エレクトロフュージョン継
手を形成している。第２図の入口側受口１１には接続部
材２６が取付けられている。Among the sockets 11, 12a..., all the sockets in FIG. 1, and the outlet side sockets 12a... 12d in FIG. A tubular non-crosslinked polyolefin layer 22 on the circumference
is laminated so as to be integrated with the crosslinked polyolefin layer 21, and a coiled heating wire 23 is embedded therein and connected to the connecting terminals 24, 25 to form an electrofusion joint. A connecting member 26 is attached to the entrance side socket 11 in FIG.

接続部材２６は金属管からなり、挿入部２６ａの反対側
の突出部２６ｂには接続部としてのねじ部２７が形成さ
れ、中間部には六角形のスパナ掛け２８が形成されてい
る。変性ポリオレフィン層２９は接続部材２６の挿入部
２６ａと架橋ポリオレフィン層２１間の全周にわたって
介在し、両者を接着している。The connecting member 26 is made of a metal tube, and a threaded portion 27 serving as a connecting portion is formed on a protruding portion 26b on the opposite side of the insertion portion 26a, and a hexagonal spanner hook 28 is formed in the intermediate portion. The modified polyolefin layer 29 is interposed over the entire circumference between the insertion portion 26a of the connecting member 26 and the crosslinked polyolefin layer 21, and adheres the two.

上記のヘッダー１は、内部、外表面または内部に電熱線
２３を埋設または巻き付けた非架橋ポリオレフィンＮＺ
２を射出成形型内にインサートシた状態で、ポリオレフ
ィン中に架橋剤、架橋助剤等を含む架橋性ポリオレフィ
ンを射出して積層一体止した後、上記架橋性ポリオレフ
ィン層を架橋させて架橋ポリオレフィン層２Ｉを形成す
ることにより製造される。接続部材２６は後で取付ける
か、あるいは外表面に変性ポリオレフィン層２９をコー
ティングした接続部材２６の挿入部２６ａをインサート
して射出成形する。The above header 1 is made of non-crosslinked polyolefin NZ with heating wires 23 embedded or wrapped inside, on the outer surface, or inside.
2 is inserted into an injection mold, a crosslinkable polyolefin containing a crosslinking agent, a crosslinking aid, etc. is injected into the polyolefin, and the lamination is fixed, and then the crosslinkable polyolefin layer is crosslinked to form a crosslinked polyolefin layer. 2I. The connecting member 26 may be attached later or may be injection molded by inserting the insertion portion 26a of the connecting member 26 whose outer surface is coated with a modified polyolefin layer 29.

こうして製造されたヘッダー１は、熱源機器２からの給
湯主管８を入口側受口１１に接続し、各蛇口３．４．５
等への分岐管１３ａ、１３ｂ、１．３ｃ、］３ｄを出口
側受口］、２ａ、１２ｂ、１２ｃ、１２ｄに接続して使
用する。このどき第２図のように接続部材２６を取付け
た場合は、被接続配管である給湯主管８の接続端末に接
続部材２６を接続し、他のポリオレフィンチューブ等の
プラスチック環の被接続配管である第２図の分岐管１３
ａ、］、３ｂ、１３ｃ、１３ｄ、ならびに第１−図の給
湯主管８および各分岐管１３ａ・・・を、各受口１１．
１２ａ・　の非架橋ポリオレフィン層２２と接するよう
に取付け、接続端子２４．２５から電熱線２３に通電す
ると、非架橋ポリオレフィン層２２が溶融して被接続配
管に一体的に融着する。これによりヘッダー１と被接続
配管とを漏洩防止状態で確実に接続することができる。The header 1 manufactured in this way connects the hot water main pipe 8 from the heat source device 2 to the inlet side socket 11, and connects each faucet 3.4.5 to the inlet side socket 11.
The branch pipes 13a, 13b, 1.3c, ]3d are connected to the outlet ports], 2a, 12b, 12c, 12d. When the connecting member 26 is installed as shown in Fig. 2, the connecting member 26 is connected to the connecting terminal of the hot water main pipe 8, which is the pipe to be connected, and the connecting member 26 is connected to the connecting terminal of the main hot water pipe 8, which is the pipe to be connected, and the pipe to be connected is a plastic ring such as another polyolefin tube. Branch pipe 13 in Fig. 2
a, ], 3b, 13c, 13d, and the hot water main pipe 8 and each branch pipe 13a of FIG.
It is attached so as to be in contact with the non-crosslinked polyolefin layer 22 of 12a, and when electricity is applied to the heating wire 23 from the connecting terminals 24 and 25, the non-crosslinked polyolefin layer 22 is melted and integrally fused to the pipe to be connected. Thereby, the header 1 and the connected piping can be reliably connected in a leak-proof state.

接続部材２６は被接続配管が金属管の場合に適し、エレ
クトロフュージョン継手はプラスチック管の場合に適し
ているので、それぞれに対応して配置することができる
。The connecting member 26 is suitable when the pipe to be connected is a metal pipe, and the electrofusion joint is suitable when the pipe is a plastic pipe, so they can be arranged correspondingly.

上記のヘッダー１は、架橋ポリオレフィン層２１が耐熱
強度を負担するので、給湯管の接続に用いても形状保持
性に優れる。一方架橋ポリオレフィン層２１が接続部材
２６および非架橋ポリオレフィン層２２と一体化した状
態で、非架橋ポリオレフィン層２２が被接続配管に融着
して一体化するため、シール性に優れ、給湯管に用いて
も長期にわたってシール性を保持する。In the header 1 described above, since the crosslinked polyolefin layer 21 provides heat resistance strength, it has excellent shape retention even when used for connecting hot water pipes. On the other hand, when the crosslinked polyolefin layer 21 is integrated with the connecting member 26 and the non-crosslinked polyolefin layer 22, the non-crosslinked polyolefin layer 22 is fused and integrated with the pipe to be connected, so it has excellent sealing properties and can be used in hot water pipes. It retains its sealing properties for a long time.

なお第２図の実施例では、入口側受口１１に他の接続部
材２６を設けたが、出口側受口］、２ａ・・　の一部に
設けてもよい。また接続部材２６としては、ねし以外の
接合手段を有するものでもよい。In the embodiment shown in FIG. 2, the other connecting member 26 is provided at the inlet side socket 11, but it may be provided at a part of the outlet side socket], 2a, . . . . Further, the connecting member 26 may have a joining means other than screws.

〔発明の効果〕〔Effect of the invention〕

本発明によれば、架橋熱可塑性樹脂からなるヘッダー本
体に設けられた受口に非架橋熱可塑性樹脂層および電熱
線を設けたので、耐熱強度およびシール性に優れ、軽量
で耐食性があり、プラスチック配管との接続が容易で、
大斌生産に適した給湯用ヘッダーが得られる。According to the present invention, since the non-crosslinked thermoplastic resin layer and the heating wire are provided on the socket provided in the header body made of crosslinked thermoplastic resin, it has excellent heat resistance strength and sealing performance, is lightweight, has corrosion resistance, and is made of plastic. Easy to connect to piping,
A hot water supply header suitable for large-scale production can be obtained.

【図面の簡単な説明】[Brief explanation of drawings]

第１図および第２図は別の実施例の給湯用ヘッダーの一
部を断面で示す正面図、第３図は給湯配管系の配管図で
ある。 各図中、同一符号は同一または相当部分を示し、１はヘ
ッダー、２は熱源機器、３．４．５は蛇口、８は給湯主
管、１］は入口側受［１，１２ａ・・は出口側受口、］
、３ａ・・は分岐管、２１は架橋ポリオレフィン層、２
２は非架橋ポリオレフィン層、２３は電熱線である。 代理人　弁理士　柳　原　　　成FIGS. 1 and 2 are front views showing a section of a part of a hot water supply header according to another embodiment, and FIG. 3 is a piping diagram of a hot water supply piping system. In each figure, the same reference numerals indicate the same or equivalent parts, 1 is the header, 2 is the heat source equipment, 3.4.5 is the faucet, 8 is the main hot water pipe, 1] is the inlet side receiver [1, 12a... are the outlets] Side socket,]
, 3a... is a branch pipe, 21 is a crosslinked polyolefin layer, 2
2 is a non-crosslinked polyolefin layer, and 23 is a heating wire. Agent Patent Attorney Sei Yanagihara

Claims (1)

【特許請求の範囲】[Claims] （１）熱源機器からの温水を分配するための給湯用ヘッ
ダーであって、架橋熱可塑性樹脂により中空状に成形さ
れたヘッダー本体と、このヘッダー本体に設けられた入
口側および出口側受口とを備え、この受口の少なくとも
一部が、架橋熱可塑性樹脂によりヘッダー本体と一体成
形された管状の架橋熱可塑性樹脂層、この架橋熱可塑性
樹脂層の被接続配管との接合部に一体的に積層された非
架橋熱可塑性樹脂層、および非架橋熱可塑性樹脂層の内
部、外表面または内表面に設けられた電熱線を有するこ
とを特徴とする給湯用ヘッダー。(1) A hot water supply header for distributing hot water from a heat source device, which includes a header body formed into a hollow shape from crosslinked thermoplastic resin, an inlet side and an outlet side socket provided in this header body. A tubular cross-linked thermoplastic resin layer integrally molded with the header main body, at least a part of this socket being integrally formed with the joint of the cross-linked thermoplastic resin layer with the connected piping. 1. A hot water supply header comprising a laminated non-crosslinked thermoplastic resin layer and a heating wire provided on the inside, outer surface, or inner surface of the non-crosslinked thermoplastic resin layer.
JP1072337A 1989-01-11 1989-03-24 Hot water supply header Expired - Lifetime JP2860942B2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP1072337A JP2860942B2 (en) 1989-03-24 1989-03-24 Hot water supply header
US07/462,717 US5150922A (en) 1989-01-11 1990-01-09 Electrofusion joint and hot water supply header using the same
CA002007520A CA2007520C (en) 1989-01-11 1990-01-10 Electrofusion joint and hot water supply header using the same
EP90300307A EP0378406B1 (en) 1989-01-11 1990-01-11 Electrofusion joint and hot water supply header using the same
AT90300307T ATE123860T1 (en) 1989-01-11 1990-01-11 ELECTROWELDING JOINT AND USE THEREOF IN A HOT WATER DISTRIBUTOR.
DE69019998T DE69019998T2 (en) 1989-01-11 1990-01-11 Electric welding connection and its use in a hot water distributor.
ES90300307T ES2075877T3 (en) 1989-01-11 1990-01-11 ELECTROFUSION UNION AND COLLECTOR OF HOT WATER SUPPLY THAT USES IT.
DE69032332T DE69032332T2 (en) 1989-01-11 1990-01-11 Electric welding connection and its use in a hot water distributor
EP93118038A EP0585974B1 (en) 1989-01-11 1990-01-11 Electrofusion joint and hot water supply header using the same
AT93118038T ATE166442T1 (en) 1989-01-11 1990-01-11 ELECTROWELDING JOINT AND USE THEREOF IN A HOT WATER DISTRIBUTOR
DK90300307.7T DK0378406T3 (en) 1989-01-11 1990-01-11 Electro-melt collection and hot water supply collector pipes using the same
US07/913,632 US5366253A (en) 1989-01-11 1992-07-16 Electrofusion joint and hot water supply header using the same
US08/067,083 US5375889A (en) 1989-01-11 1993-05-26 Electrofusion joint and hot water supply header using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1072337A JP2860942B2 (en) 1989-03-24 1989-03-24 Hot water supply header

Publications (2)

Publication Number Publication Date
JPH02253084A true JPH02253084A (en) 1990-10-11
JP2860942B2 JP2860942B2 (en) 1999-02-24

Family

ID=13486378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1072337A Expired - Lifetime JP2860942B2 (en) 1989-01-11 1989-03-24 Hot water supply header

Country Status (1)

Country Link
JP (1) JP2860942B2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54175612U (en) * 1978-05-31 1979-12-12
JPS59110493U (en) * 1983-01-17 1984-07-25 三菱電線工業株式会社 header tube
FR2606487A1 (en) * 1986-11-07 1988-05-13 Silix Tubes based on a polyolefin-type resin for producing pipelines, sleeves for assembling them and method for manufacturing them

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54175612U (en) * 1978-05-31 1979-12-12
JPS59110493U (en) * 1983-01-17 1984-07-25 三菱電線工業株式会社 header tube
FR2606487A1 (en) * 1986-11-07 1988-05-13 Silix Tubes based on a polyolefin-type resin for producing pipelines, sleeves for assembling them and method for manufacturing them

Also Published As

Publication number Publication date
JP2860942B2 (en) 1999-02-24

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