JPH10202267A - Water supply equipment - Google Patents
Water supply equipmentInfo
- Publication number
- JPH10202267A JPH10202267A JP1142797A JP1142797A JPH10202267A JP H10202267 A JPH10202267 A JP H10202267A JP 1142797 A JP1142797 A JP 1142797A JP 1142797 A JP1142797 A JP 1142797A JP H10202267 A JPH10202267 A JP H10202267A
- Authority
- JP
- Japan
- Prior art keywords
- water supply
- copper
- pipe
- water
- supply 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.)
- Pending
Links
Landscapes
- Domestic Plumbing Installations (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、水道配水管から分
岐させて、建造物の各給水栓までの給水を行う給水設備
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water supply system which branches from a water supply pipe to supply water to each water tap of a building.
【０００２】[0002]
【発明が解決しようとする課題】水道配水管から分岐さ
せて、建造物内の各給水栓までの給水を行う給水管に
は、従来より塩化ビニール管が一般的に用いられてき
た。しかし、塩化ビニール管は強度に関してはそれほど
強いわけではなく、例えば地震等の災害時に給水管が損
傷して給水がストップする等、その耐損傷性や耐久性な
どに問題があった。また、水道水は飲料水や温室などに
おける野菜作りなどに用いられるため、人体に対する安
全性が重要になってくる。そのため、衛生上その抗菌性
及び殺菌性が重要になってくるのであるが、塩化ビニー
ル管はこのような抗菌及び殺菌効果を備えておらず、衛
生面においても問題を抱えていた。Conventionally, a vinyl chloride pipe has been generally used as a water supply pipe which branches from a water supply pipe to supply water to each water tap in a building. However, the strength of the PVC pipe is not so strong. For example, the water supply pipe is damaged and the water supply is stopped at the time of a disaster such as an earthquake, and there is a problem in its damage resistance and durability. In addition, tap water is used for producing vegetables in drinking water, greenhouses, and the like, so safety for the human body becomes important. Therefore, the antibacterial property and the sterilizing property are important for hygiene. However, the vinyl chloride tube does not have such antibacterial and sterilizing effects, and has a problem in hygiene.
【０００３】そこで、本発明者は、このような課題を解
決するべく、鋭意研究を重ねた結果、本発明に至ったの
である。[0003] The inventor of the present invention has conducted intensive studies in order to solve such a problem, and as a result, has arrived at the present invention.
【０００４】[0004]
【課題を解決するための手段】本発明の給水設備の要旨
とするところは、水道配水管から分岐させて、任意建造
物内の各給水栓までの給水を行う、給水管と継手を用い
た給水設備において、該給水設備の任意箇所に水中に銅
イオンを溶け出させる銅イオン発生手段を設けたことに
ある。SUMMARY OF THE INVENTION The gist of the water supply system of the present invention is to use a water supply pipe and a joint for branching from a water supply pipe and supplying water to each water tap in an arbitrary building. In the water supply facility, a copper ion generating means for dissolving copper ions in water is provided at an arbitrary position of the water supply facility.
【０００５】また、かかる給水設備において、前記銅イ
オン発生手段が、少なくとも内面に被膜がほどこされた
銅又は銅合金製の給水管又は継手であることにある。[0005] Further, in such a water supply facility, the copper ion generating means is a water supply pipe or a joint made of copper or a copper alloy having at least an inner surface coated.
【０００６】次に、本発明の給水設備の他の要旨とする
ところは、水道配水管から分岐させて、任意建造物内の
各給水栓までの給水を行う、給水管と継手を用いた給水
設備において、被膜がほどこされた銅又は銅合金製の給
水管及び継手が、少なくとも、水道配水管と任意建造物
の給水管とを接続する接続部に用いられていることにあ
る。[0006] Another aspect of the water supply system of the present invention is to supply water to each water tap in an arbitrary building by branching off from a water supply pipe. In the equipment, a water supply pipe and a joint made of copper or a copper alloy provided with a coating are used at least in a connection portion connecting a water supply pipe and a water supply pipe of an arbitrary building.
【０００７】また、本発明の銅管を用いた給水設備の要
旨とするところは、前記被膜が錫メッキ又は錫合金メッ
キであることにある。The gist of the water supply equipment using the copper pipe of the present invention is that the coating is tin-plated or tin-alloy-plated.
【０００８】このように、給水管に銅製管を用いること
により、給水管の強度が高められ、耐震性，耐損傷性或
いは耐久性などが向上される。また、内面に被膜がほど
こされた銅製管を用いることにより、銅が備える抗菌性
及び殺菌性を有効に活用すると同時に、銅イオンの流出
量を基準値以下に抑えることができる。そのため、抗菌
性及び耐損傷性に優れた給水設備を構成することができ
る。As described above, by using a copper pipe for the water supply pipe, the strength of the water supply pipe is increased, and the earthquake resistance, damage resistance, durability, and the like are improved. In addition, by using a copper tube having a coating on the inner surface, the antibacterial property and the bactericidal property of copper can be effectively used, and the outflow of copper ions can be suppressed to a reference value or less. Therefore, a water supply facility having excellent antibacterial properties and damage resistance can be configured.
【０００９】[0009]
【発明の実施の形態】次に、本発明に係る給水設備の実
施の形態について、図面に基づいて詳しく説明する。Next, an embodiment of a water supply system according to the present invention will be described in detail with reference to the drawings.
【００１０】図１は本発明に係る銅管を用いた給水設備
であり、水道配水管より建物５０までの給水を行う屋外
給水管と、屋外給水管に接続され、建物５０内の給水栓
３０，３２に給水を行う屋内給水管とから構成されてい
る。屋外給水管は通常地中に埋められており、屋内給水
管は通常壁の中などに配設されている。屋外給水管には
銅管１０が用いられており、銅管１０及びこの銅管１０
を接続する継手２０には内面に錫又は錫合金の被膜がほ
どこされている。屋内給水管には塩化ビニール管や鋼管
などが用いられているのであるが、特に台所用や洗面
用、風呂用の給水栓３２と屋外給水管の間の給水管及び
継手には内面に錫被膜がほどこされた銅管１０及び継手
２０が用いられる。また、これら給水管１０と継手２０
の接続は、ろう付けにより互いに接続される。FIG. 1 shows a water supply system using a copper pipe according to the present invention. The outdoor water supply pipe supplies water from the water supply pipe to the building 50, and the water supply tap 30 in the building 50 is connected to the outdoor water supply pipe. , 32 and an indoor water supply pipe for supplying water. Outdoor water pipes are usually buried underground, and indoor water pipes are usually installed in walls. The copper pipe 10 is used for the outdoor water supply pipe, and the copper pipe 10 and the copper pipe 10 are used.
Are coated with a coating of tin or a tin alloy on the inner surface. PVC pipes and steel pipes are used for indoor water supply pipes. Especially, for the water supply pipes and fittings between the hydrant 32 for kitchen, washroom and bath and the outdoor water supply pipe, tin coating is applied to the inner surface. Is used. In addition, the water supply pipe 10 and the joint 20
Are connected to each other by brazing.
【００１１】ここで、銅管１０及び継手２０は銅又は銅
合金を用いて製造されたものが用いられ、特に継手２０
は砲金製のものが好ましい。銅又は銅合金製の銅管１０
及び継手２０にそのまま水を通すと、水中に銅イオンが
多量に溶け出すことになるため、銅イオンが溶け出す量
を水質基準以内にするために、これらの内面に被膜がほ
どこされる。被膜としては錫又は錫合金が好ましいが、
これに限定されるものではない。Here, the copper pipe 10 and the joint 20 are manufactured using copper or a copper alloy.
Is preferably made of gunmetal. Copper tube 10 made of copper or copper alloy
If the water is passed through the joint 20 as it is, a large amount of copper ions will be dissolved in the water. Therefore, a coating is applied to the inner surfaces of these to reduce the amount of the dissolved copper ions to the water quality standard. The coating is preferably tin or a tin alloy,
It is not limited to this.
【００１２】このように給水設備を構成することによ
り、台所用の調理や食事、あるいは洗面，入浴などに用
いる飲料水に関しては、水道配水管から台所用などの給
水栓３２までの間の給水管に錫被膜がほどこされた銅管
１０及び継手２０を用いることにより、銅管１０及び継
手２０からわずかに銅イオンが水中に発生するため、抗
菌性及び殺菌性に優れた衛生的で好ましい給水設備とな
る。By constructing the water supply system in this manner, with respect to drinking water used for cooking, eating, washing, and bathing in a kitchen, a water supply pipe extending from a water supply pipe to a water tap 32 for a kitchen or the like. The use of the copper tube 10 and the joint 20 provided with a tin coating on the surface thereof causes slight copper ions to be generated in the water from the copper tube 10 and the joint 20, so that a sanitary and preferable water supply facility excellent in antibacterial properties and sterilization properties is provided. Becomes
【００１３】また、給水管に銅管を用いることにより、
従来の塩化ビニール管に比べて耐損傷性及び耐久性に優
れた給水設備を提供することができる。特に、地中に埋
められた給水管は、破損や損傷を受けた場合の修理や取
り替え等が困難であるため、地中の屋外給水管には強度
的に優れた銅管１０を用いることが好ましい。更に、曲
げ切断やろう付け等が容易に行えるなど、銅管を用いた
給水設備はその施工性においても優れた特性を備えてい
る。Further, by using a copper pipe for the water supply pipe,
It is possible to provide a water supply facility that is more excellent in damage resistance and durability than a conventional vinyl chloride pipe. In particular, a water pipe buried in the ground is difficult to repair or replace when damaged or damaged. Therefore, it is necessary to use a copper pipe 10 excellent in strength for an outdoor water pipe in the ground. preferable. Further, a water supply system using a copper pipe has excellent characteristics in terms of workability, such as easy bending cutting and brazing.
【００１４】次に、本発明に係る銅管を用いた給水設備
の他の実施の形態について、図面に基づいて詳しく説明
する。Next, another embodiment of a water supply system using a copper pipe according to the present invention will be described in detail with reference to the drawings.
【００１５】図２は本発明に係る銅管を用いた給水設備
であり、水道配水管より給水器５２に給水を行う屋外給
水管と、給水器５２より建物５０内の給水栓３０，３２
に給水を行う屋内給水管とから構成されている。屋外給
水管には銅合金管１２が用いられており、銅合金管１２
及びこの銅合金管１２を接続する砲金の継手２２には内
面に錫合金被膜がほどこされている。このように屋外給
水管特に水道配水管から屋内給水管に接続される給水管
に銅管を用いることにより、可撓性を有するため容易に
破断することはなく、耐震性が大幅に向上することにな
る。FIG. 2 shows a water supply system using a copper pipe according to the present invention. An outdoor water supply pipe for supplying water from a water supply pipe to a water supply device 52, and water taps 30 and 32 in a building 50 from the water supply device 52.
And an indoor water supply pipe for supplying water to the water supply system. The copper pipe 12 is used for the outdoor water supply pipe.
The joint 22 of the gunmetal connecting the copper alloy tube 12 is provided with a tin alloy coating on the inner surface. By using a copper pipe for the outdoor water supply pipe, particularly the water supply pipe connected from the water supply pipe to the indoor water supply pipe, it has flexibility, so that it is not easily broken, and seismic resistance is greatly improved. become.
【００１６】屋内給水管には、図３に示すように、給水
栓３０，３２には内面に錫合金被膜がほどこされた砲金
の継手２４が接続され、この継手２４に内面に錫合金被
膜がほどこされた銅合金管１２がろう付けされている。
そして、銅合金管１２の端部に、内面に錫合金被膜がほ
どこされた砲金の継手２２を介して銅合金管１３を接続
することにより、銅合金管の延長を任意に行うことがで
きる。As shown in FIG. 3, the water taps 30 and 32 are connected to a gunmetal joint 24 having a tin alloy coating on the inner surface, and the joint 24 has a tin alloy coating on the inner surface. The provided copper alloy tube 12 is brazed.
Then, the copper alloy pipe 13 can be arbitrarily extended by connecting the copper alloy pipe 13 to the end of the copper alloy pipe 12 through a gunmetal joint 22 having a tin alloy coating on the inner surface.
【００１７】このように、給水栓３０，３２に銅合金管
１２が直接接続されているため、従来に比べ抗菌性及び
殺菌性に優れ、０−１５７などにも対応することのでき
る給水設備を提供できる。さらに、この銅合金管１２
は、新たに継手２２に銅合金管１３をろう付けすること
により、任意の長さに延長することができる。これによ
り、施主の希望に応じて、任意の給水管に用いられてい
る銅合金管の長さを任意に延長することができる。As described above, since the copper alloy pipe 12 is directly connected to the water taps 30 and 32, a water supply facility which is superior in antibacterial property and sterilization property as compared with the conventional one and can cope with 0-157 etc. Can be provided. Further, the copper alloy tube 12
Can be extended to any length by newly brazing the copper alloy tube 13 to the joint 22. Thereby, the length of the copper alloy pipe used for any water supply pipe can be arbitrarily extended as desired by the owner.
【００１８】以上、本発明の一実施例について説明した
が、本発明に係る銅管を用いた給水設備はその他の態様
でも実施し得るものである。例えば、銅製などの管は適
宜の形状に容易に曲げることが可能であるため、任意の
箇所に用いることができ、また、銅製管の長さ及び形状
も任意に設定することができる。また、被膜がほどこさ
れた継手も任意の接続部に用いることができ、Ｙ型やＵ
型など任意の形状のものを用いることができる。Although the embodiment of the present invention has been described above, the water supply system using the copper pipe according to the present invention can be implemented in other modes. For example, since a pipe made of copper or the like can be easily bent to an appropriate shape, it can be used at an arbitrary position, and the length and shape of the copper pipe can be arbitrarily set. Coated joints can also be used for any connection, such as Y-shaped or U-shaped.
Any shape such as a mold can be used.
【００１９】さらに、図４に示すように、継手２６を変
えることにより、給水栓３４の大小に係わらず銅管１４
を接続することができる。また、銅製管と継手の接続は
ろう付けに限定されることはなく、図５(a) 又は(b) に
示すようにナット４２，４４又は４６を用いて銅管１６
を接続する等、任意の方法を用いて銅管の接続を行うこ
とができる。Further, as shown in FIG. 4, by changing the joint 26, regardless of the size of the water tap 34,
Can be connected. Further, the connection between the copper pipe and the joint is not limited to brazing, and as shown in FIG. 5 (a) or (b), the copper pipe 16 is connected by using nuts 42, 44 or 46.
The connection of the copper tube can be performed by using an arbitrary method such as connection of the copper tube.
【００２０】また、銅管の材質は銅が含まれて抗菌及び
殺菌効果を有するものならばその種類を問わず、任意の
銅製金属を用いることができる。なお、水道法による
と、銅イオンの流出量は１．０ｐｐｍ以下と定められて
いるが、本発明の錫被膜が設けられた銅管の銅イオン流
出量を実測したところ、約０．１ｐｐｍ程度であり、銅
イオンによる毒性の心配をする必要は全くない一方、Ｏ
−１５７などの発生の心配も全くなく、抗菌及び殺菌作
用を期待することができることが確認された。The copper tube may be made of any copper metal, regardless of its type, as long as it contains copper and has an antibacterial and bactericidal effect. In addition, according to the water supply law, the outflow amount of copper ions is specified to be 1.0 ppm or less. However, when the outflow amount of copper ions of the copper tube provided with the tin coating of the present invention was actually measured, it was about 0.1 ppm. And there is no need to worry about toxicity due to copper ions.
It was confirmed that antibacterial and bactericidal actions could be expected without any concern about the occurrence of -157 or the like.
【００２１】以上、本発明に係る銅管を用いた給水設備
の実施例について、図面に基づいて種々説明したが、本
発明は図示した銅管を用いた給水設備に限定されるもの
ではない。例えば、銅製管の外面にも被膜をほどこし、
給水管の外部の錆や腐食を防止することもできる。特
に、地中に埋められた銅管は、屋内に比べて腐食及び錆
が発生しやすいため、外面に被膜をほどこすことが好ま
しい。また、本発明の銅管を用いた給水設備は上水道用
給水管に限定されず、雑菌の多い浅井戸の地下水の給水
設備に適用すれば、特に絶大な効果が期待されるもので
ある。その他、本発明の銅管を用いた給水設備は、ガス
供給用配管や空調用配管などの配管設備にも応用するこ
とが可能である。As described above, the embodiments of the water supply equipment using the copper pipe according to the present invention have been described in various ways with reference to the drawings. However, the present invention is not limited to the water supply equipment using the illustrated copper pipe. For example, coating the outer surface of a copper tube,
Rust and corrosion on the outside of the water supply pipe can also be prevented. In particular, a copper pipe buried in the ground is more susceptible to corrosion and rust than indoors, so it is preferable to apply a coating on the outer surface. The water supply equipment using the copper pipe of the present invention is not limited to the water supply pipe for water supply, and if applied to a water supply equipment for groundwater of a shallow well with many germs, a particularly tremendous effect is expected. In addition, the water supply equipment using the copper pipe of the present invention can be applied to piping equipment such as gas supply piping and air conditioning piping.
【００２２】さらに、銅イオンを発生させる手段とし
て、内面に錫などの被膜がほどこされた銅管などを用い
る以外に、従来の鋼管や樹脂管などの一部に銅又は銅合
金から成る部材を通水される水中に露出させて配設し、
銅イオンが水中に微量溶け出すように構成することも可
能である。その他、本発明はその趣旨を逸脱しない範囲
で当業者の知識に基づき種々なる改良，修正，変形を加
えた態様で実施できるものである。Further, as means for generating copper ions, in addition to using a copper tube or the like having a coating of tin or the like on its inner surface, a member made of copper or a copper alloy may be used as a part of a conventional steel tube or resin tube. It is exposed and arranged in the water that is passed through,
It is also possible to constitute so that a trace amount of copper ions may be dissolved in water. In addition, the present invention can be implemented in various modified, modified, and modified embodiments based on the knowledge of those skilled in the art without departing from the spirit of the present invention.
【００２３】[0023]
【発明の効果】本発明の銅管を用いた給水設備によれ
ば、内面に被膜をほどこした銅管が用いられているた
め、銅が備える抗菌性及び殺菌性を有効に活用できると
共に、銅イオンの流出量を水質基準値以下に抑えること
ができる。また、銅管は機械的な強度及びその施工性に
も優れているため、抗菌性，機械的強度及び施工性に優
れた給水設備を構成することができる。According to the water supply system using the copper pipe of the present invention, since the copper pipe coated with a coating on the inner surface is used, the antibacterial property and the bactericidal property of the copper can be effectively utilized and the copper pipe can be effectively used. The amount of outflow of ions can be suppressed below the water quality reference value. Further, the copper pipe is excellent in mechanical strength and workability thereof, so that a water supply facility excellent in antibacterial property, mechanical strength and workability can be constituted.
【００２４】また、本発明の銅管を用いた給水設備によ
れば、給水栓から任意の長さに渡って内面に被膜がほど
こされた継手及び内面に被膜がほどこされた銅管を延長
することができ、各施主の要望に合わせて給水設備を構
成することができる。また、水道配水管と建物の給水管
とを接続する接続部に銅管を用いることにより、地中に
埋められた給水管の強度を上げることができ、地震に対
する耐震性に優れた給水設備を構成することができる。Further, according to the water supply equipment using the copper pipe of the present invention, the joint having the coating applied on the inner surface thereof and the copper pipe having the coating applied on the inner surface are extended from the water tap over an arbitrary length. Water supply facilities can be configured according to the needs of each client. In addition, the use of copper pipes at the connection between the water supply pipes and the building water supply pipes can increase the strength of the water pipes buried underground, and provide water supply equipment with excellent earthquake resistance against earthquakes. Can be configured.
【図１】本発明に係る銅管を用いた給水設備の一実施例
を示す概念図である。FIG. 1 is a conceptual diagram showing one embodiment of a water supply facility using a copper pipe according to the present invention.
【図２】本発明に係る銅管を用いた給水設備の他の実施
例を示す概念図である。FIG. 2 is a conceptual diagram showing another embodiment of a water supply facility using a copper pipe according to the present invention.
【図３】図２に示す給水設備の要部拡大断面図である。FIG. 3 is an enlarged sectional view of a main part of the water supply facility shown in FIG. 2;
【図４】給水栓と銅管の他の接続例を示す断面図であ
る。FIG. 4 is a cross-sectional view showing another connection example of a water tap and a copper pipe.
【図５】銅管と継手の他の接続方法を示す断面図であ
る。FIG. 5 is a sectional view showing another connection method of the copper pipe and the joint.
【符号の説明】 １０，１２，１３，１４，１６：銅管 ２０，２２，２４，２６，２８：継手 ３０，３２，３４：給水栓 ４０：ガスケット ４２，４４，４６：ナット ５０：建物 ５２：給水器 ５４：壁 ５６：床 ５８：地面[Description of Signs] 10, 12, 13, 14, 16: Copper tube 20, 22, 24, 26, 28: Joint 30, 32, 34: Water tap 40: Gasket 42, 44, 46: Nut 50: Building 52 : Water supply 54: Wall 56: Floor 58: Ground
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｅ０３Ｂ 1/00 Ｅ０３Ｂ 1/00 Ａ 7/04 7/04 Ｅ０３Ｃ 1/10 Ｅ０３Ｃ 1/10 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI E03B 1/00 E03B 1/00 A 7/04 7/04 E03C 1/10 E03C 1/10
Claims (4)
内の各給水栓までの給水を行う、給水管と継手を用いた
給水設備において、該給水設備の任意箇所に水中に銅イ
オンを溶け出させる銅イオン発生手段を設けたことを特
徴とする給水設備。1. A water supply system using a water supply pipe and a joint for branching from a water supply pipe and supplying water to each water tap in an arbitrary building, wherein copper ions are introduced into water at an arbitrary position of the water supply facility. Water supply equipment provided with a copper ion generating means for melting out.
面に被膜がほどこされた銅又は銅合金製の給水管又は継
手であることを特徴とする請求項１に記載の給水設備。2. The water supply facility according to claim 1, wherein the copper ion generating means is a copper or copper alloy water supply pipe or a joint having a coating applied on at least an inner surface thereof.
内の各給水栓までの給水を行う、給水管と継手を用いた
給水設備において、被膜がほどこされた銅又は銅合金製
の給水管及び継手が、少なくとも、水道配水管と任意建
造物の給水管とを接続する接続部に用いられていること
を特徴とする請求項１又は２に記載の給水設備。3. In a water supply system using a water supply pipe and a joint for branching from a water supply pipe and supplying water to each water tap in an arbitrary building, a copper or copper alloy water supply with a coating film is provided. The water supply facility according to claim 1 or 2, wherein the pipe and the joint are used at least in a connection portion that connects a water supply pipe and a water supply pipe of an arbitrary building.
あることを特徴とする請求項１，２又は３に記載の給水
設備。4. The water supply facility according to claim 1, wherein the coating is tin plating or tin alloy plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1142797A JPH10202267A (en) | 1997-01-24 | 1997-01-24 | Water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1142797A JPH10202267A (en) | 1997-01-24 | 1997-01-24 | Water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10202267A true JPH10202267A (en) | 1998-08-04 |
Family
ID=11777784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1142797A Pending JPH10202267A (en) | 1997-01-24 | 1997-01-24 | Water supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10202267A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003277529B2 (en) * | 2002-10-29 | 2007-11-29 | Daikin Industries, Ltd. | Drain water discharge structure for air conditioning apparatus |
| RU2647874C1 (en) * | 2016-11-16 | 2018-03-21 | Николай Юрьевич Журавлев | Water supply pipeline |
| RU2671686C2 (en) * | 2016-11-16 | 2018-11-06 | Николай Юрьевич Журавлев | Water supply system |
-
1997
- 1997-01-24 JP JP1142797A patent/JPH10202267A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003277529B2 (en) * | 2002-10-29 | 2007-11-29 | Daikin Industries, Ltd. | Drain water discharge structure for air conditioning apparatus |
| US7392821B2 (en) * | 2002-10-29 | 2008-07-01 | Daikin Industries, Ltd. | Drain water discharge structure for air conditioner |
| RU2647874C1 (en) * | 2016-11-16 | 2018-03-21 | Николай Юрьевич Журавлев | Water supply pipeline |
| RU2671686C2 (en) * | 2016-11-16 | 2018-11-06 | Николай Юрьевич Журавлев | Water supply system |
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