JPS6159439B2 - - Google Patents
Info
- Publication number
- JPS6159439B2 JPS6159439B2 JP57134955A JP13495582A JPS6159439B2 JP S6159439 B2 JPS6159439 B2 JP S6159439B2 JP 57134955 A JP57134955 A JP 57134955A JP 13495582 A JP13495582 A JP 13495582A JP S6159439 B2 JPS6159439 B2 JP S6159439B2
- Authority
- JP
- Japan
- Prior art keywords
- aluminum
- tube
- copper
- pipe
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052782 aluminium Inorganic materials 0.000 claims description 76
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 76
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 42
- 229910052802 copper Inorganic materials 0.000 claims description 42
- 239000010949 copper Substances 0.000 claims description 42
- 238000007747 plating Methods 0.000 claims description 36
- 239000011248 coating agent Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 25
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
【発明の詳細な説明】
本発明は冷凍機等のクーリングユニツトとコン
プレツサーユニツトとの配管に使用する熱交換機
用アルミニウム―銅接手管の製造法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing an aluminum-copper joint pipe for a heat exchanger used for piping between a cooling unit and a compressor unit of a refrigerator or the like.
通常、機能上クーリングユニツト（エバポレー
ター）の内部配管はアルミニウム管が使用され、
又コンプレツサーユニツトの内部配管には銅管が
使用されており、一般に両ユニツトの口出し管を
接合する冷媒循環用配管には銅管が用いられてい
る。然るに銅とアルミニウムとは非常に接合しに
くい金属であり、コンプレツサーユニツトの口出
し管と銅管の接合は銅相互となるから問題はない
が、銅とアルミニウムの接合となるクーリングユ
ニツトの口出し管と銅管の接合の場合には、堅牢
で信頼性の高いろう付が困難とされている。 Normally, aluminum pipes are used for the internal piping of a functional cooling unit (evaporator).
Copper pipes are used for the internal piping of the compressor unit, and copper pipes are generally used for the refrigerant circulation piping that connects the outlet pipes of both units. However, copper and aluminum are metals that are very difficult to join, and there is no problem when joining the compressor unit's outlet pipe and the copper pipe because the copper is connected to each other, but the cooling unit's outlet pipe, which is a joint between copper and aluminum, When joining steel pipes and copper pipes, it is difficult to achieve robust and reliable brazing.
而して本発明は、両ユニツト間の信頼性の高い
健全な配管接手を得るべく、銅相互、アルミニウ
ム相互の接合を可能とした熱交換機用銅―アルミ
ニウム接手管の製造法を提供せんとするものであ
り、殊に圧接等によらず、接着剤の適用にて銅管
とアルミニウム管の建全な接合を図らんとするも
のである。 Therefore, the present invention aims to provide a method for manufacturing a copper-aluminum joint pipe for a heat exchanger that enables mutual joining of copper and aluminum in order to obtain a highly reliable and sound piping joint between both units. The purpose is to achieve a sound bond between a copper pipe and an aluminum pipe by applying an adhesive, rather than using pressure welding or the like.
即ち、第１図乃至第８図に示すように、先ず銅
管１の管端表面に超音波メツキによるアルミニウ
ムメツキ被覆２を施す。超音波メツキは金属をア
ルミニウムメツキ浴に浸し、金属と接するアルミ
ニウムメツキ浴か又は金属に超音波振動を付加し
てメツキを施す方法であるが、この超音波メツキ
を上記銅管１に適用してその管端の所定長に亘り
上記アルミニウムメツキ被覆２を施す。アルミニ
ウムメツキにおいて、この超音波メツキを採用す
ると極めて緻密で堅牢なアルミニウムメツキ層が
得られる。 That is, as shown in FIGS. 1 to 8, first, an aluminum plating coating 2 is applied to the end surface of a copper tube 1 by ultrasonic plating. Ultrasonic plating is a method in which metal is immersed in an aluminum plating bath and plating is applied to the aluminum plating bath in contact with the metal or by applying ultrasonic vibrations to the metal. The aluminum plating coating 2 is applied over a predetermined length of the tube end. In aluminum plating, when this ultrasonic plating is employed, an extremely dense and robust aluminum plating layer can be obtained.
上記の如くしてその管端表面にアルミニウムメ
ツキ被覆２を施した銅管１を予め準備し、該銅管
１の管端とアルミニウム管３の管端とを互いに挿
合して両者の挿合部全長に上記アルミニウムメツ
キ被覆２を介在させ、アルミニウムメツキ被覆２
とアルミニウム管３とが密着状態となるように
し、該アルミニウム管３と上記アルミニウムメツ
キ被覆２の密着面を接着剤層４を介し結合する。
依つて銅管１とアルミニウム管３の接合が得られ
る。上記接着剤４は銅管１の挿入に先立つてその
管端に施したアルミニウムメツキ被覆２の全周面
か又はアルミニウム管３側に塗布しておけば良
い。接着剤としてはエポキシ系の樹脂が好適であ
る。 A copper tube 1 having an aluminum plating coating 2 applied to the tube end surface as described above is prepared in advance, and the tube end of the copper tube 1 and the tube end of the aluminum tube 3 are inserted into each other. The aluminum plating coating 2 is interposed over the entire length of the part, and the aluminum plating coating 2
and the aluminum tube 3 are brought into close contact with each other, and the close contact surfaces of the aluminum tube 3 and the aluminum plating coating 2 are bonded via the adhesive layer 4.
Thus, the copper tube 1 and the aluminum tube 3 can be joined. The adhesive 4 may be applied to the entire circumferential surface of the aluminum plating 2 applied to the end of the copper tube 1 or to the side of the aluminum tube 3 before the copper tube 1 is inserted. Epoxy resin is suitable as the adhesive.
上記アルミニウムメツキ被覆２は少なくとも両
管１，３の挿合しろ全長に亘つて施され、好まし
くは図示する如く、銅管１とアルミニウム管３の
挿合しろよりもアルミニウムメツキ被覆２の長さ
が長くなるように施し、アルミニウムメツキ被覆
２の端部２′がアルミニウム管３で覆われない部
分まで及ぶようにする。上記の如くして銅管１と
アルミニウム管３を接着した後、アルミニウム管
３と銅管１の接目部分に塗料を塗布し、これを塗
料被覆５で覆う。 The aluminum plating coating 2 is applied over at least the entire length of the insertion margin between the two pipes 1 and 3, and preferably, as shown in the figure, the length of the aluminum plating coating 2 is longer than the insertion margin of the copper tube 1 and the aluminum tube 3. It is applied so that the end portion 2' of the aluminum plating coating 2 extends to the part not covered by the aluminum tube 3. After the copper tube 1 and the aluminum tube 3 are bonded together as described above, paint is applied to the joint portion of the aluminum tube 3 and the copper tube 1, and this is covered with a paint coating 5.
第１図乃至第６図は上記発明の趣旨に従い、銅
管１の管端外表面に超音波によるアルミニウムメ
ツキ被覆２を施し、該アルミニウムメツキ被覆２
を施した銅管端をアルミニウム管３の管端内に挿
入し、アルミニウム管３の内表面とアルミニウム
メツキ被覆２とを密着させ前記接着剤層４による
接合を図つた場合を示し、第５図、第６図は銅管
１のアルミニウムメツキ被覆２端部に位置してア
ルミニウム管３の端面と突合する環状突起６を形
成し、両管１，３の挿入深さを上記突合せにて規
制する構成とすると共に、アルミニウム管３の端
面と上記突起６の突合せ面で、アルミニウムメツ
キ被覆端部２′との接着を図つて、接合端におけ
る密閉、防蝕効果を向上させた場合を示す。 1 to 6, in accordance with the spirit of the invention, an aluminum plating coating 2 is applied to the outer surface of the end of a copper tube 1 using ultrasonic waves, and the aluminum plating coating 2 is applied to the outer surface of the end of a copper tube 1.
Fig. 5 shows a case where the copper pipe end coated with the above-mentioned coating is inserted into the pipe end of the aluminum pipe 3, and the inner surface of the aluminum pipe 3 and the aluminum plating coating 2 are brought into close contact with each other and bonded by the adhesive layer 4. , FIG. 6 shows that an annular projection 6 is formed at the end of the aluminum plating 2 of the copper tube 1 and abuts against the end surface of the aluminum tube 3, and the insertion depth of both tubes 1 and 3 is regulated by the abutment. In addition, the case is shown in which the end face of the aluminum tube 3 and the abutting face of the projection 6 are bonded to the aluminum plating coated end 2' to improve the sealing and corrosion prevention effect at the joint end.
又第７図、第８図は上記発明の趣旨に従い、銅
管１の管端内表面にアルミニウムメツキ被覆２を
施し、上記接着接合を図つた熱交換機用アルミニ
ウム―銅接手管の製造例を示す。即ち、銅管１の
管端に拡管接手部７を形成し、該拡管接手部７の
内表面に超音波によるアルミニウムメツキ被覆２
を施し、該銅管１の拡管接手部７内にアルミニウ
ム管３を挿入してアルミニウム管３外表面とアル
ミニウムメツキ被覆２とを密着させ、該アルミニ
ウム相互の密着面を接着剤層４を介し結合させた
場合を示す。アルミニウム管３はその端面が拡管
接手部７の基端に突合わさるまで挿入し、その突
合せ面でアルミニウム被覆端部2′との接着を図
る。この接合構造によれば銅管１とアルミニウム
管３とを同一径のものを用いることができる。 In addition, FIGS. 7 and 8 show an example of manufacturing an aluminum-copper joint tube for a heat exchanger, in which the inner surface of the end of the copper tube 1 is coated with aluminum plating 2 and the adhesive bonded as described above is achieved, in accordance with the spirit of the invention described above. . That is, a pipe expansion joint 7 is formed at the end of the copper pipe 1, and the inner surface of the pipe expansion joint 7 is coated with aluminum plating 2 using ultrasonic waves.
The aluminum tube 3 is inserted into the expansion joint 7 of the copper tube 1, the outer surface of the aluminum tube 3 and the aluminum plating 2 are brought into close contact, and the aluminum surfaces that are in close contact with each other are bonded via the adhesive layer 4. This shows the case where The aluminum tube 3 is inserted until its end surface abuts against the proximal end of the tube expansion joint 7, and the aluminum tube 3 is bonded to the aluminum coated end 2' at the abutting surface. According to this joining structure, it is possible to use the copper tube 1 and the aluminum tube 3 having the same diameter.
又第９図、第１０図は上記各実施例によつて得
られたアルミニウム―銅接手管の両端に、クーリ
ングユニツト及びコンプレツサーユニツトの各口
出し管とのろう付に便ならしめるため、挿入接手
部８か又は拡管接手部９を構成した場合を示す。 Also, Figures 9 and 10 show the aluminum-copper joints inserted at both ends of the aluminum-copper joint pipes obtained in each of the above embodiments to facilitate brazing with the respective outlet pipes of the cooling unit and compressor unit. The case where either the joint part 8 or the pipe expansion joint part 9 is configured is shown.
即ち、該挿入接手部８をコンプレツサーユニツ
ト側とクーリングユニツト側の口出し管内に各々
差し込んで夫々同材質間でろう付するか、又は拡
管接手部９に夫々の各口出し管を差し込んでろう
付するように構成した場合を示す。 That is, the insertion joint part 8 is inserted into the outlet pipes on the compressor unit side and the cooling unit side and brazed with the same materials, respectively, or the respective outlet pipes are inserted into the pipe expansion joint part 9 and brazed. The following shows a case where the configuration is configured to do so.
銅管１とアルミニウム管３は線膨張系数が著し
く異なることから、両者を直接接着しても、冷媒
による影響（収縮と膨張）にて接着部に剥離を生
じ易いが、本発明によれば以上説明したように銅
管１に予め堅牢なるアルミニウムメツキ被覆２を
施し、該アルミニウムメツキ被覆２を介してアル
ミニウム管３と互いに挿合し、アルミニウム同志
の密着面を接着するので、銅管１とアルミニウム
管３とが接着性の極めて良好なアルミニウム同志
の接着によつて強固に接合でき、これによつて得
られたアルミニウム―銅接手管は恰かもアルミニ
ウム管とアルミニウム管の接着と全く変らない機
械的強度を示す。又アルミニウム管３と銅管１の
接合界面からの水分等の浸入、冷媒の漏洩等は上
記によつて完全に遮断され、耐蝕性においても良
好な特性を示す。従つて経年使用に耐える耐久性
の高い接手管を提供できる。 Since the coefficients of linear expansion of the copper tube 1 and the aluminum tube 3 are significantly different, even if they are directly bonded, the bonded portion is likely to peel off due to the influence of the refrigerant (shrinkage and expansion), but according to the present invention, the above As explained above, the copper tube 1 is coated with a strong aluminum plating coating 2 in advance, and is inserted into the aluminum tube 3 through the aluminum plating coating 2, and the adhering surfaces of the aluminum pieces are bonded together. The tube 3 can be firmly joined by bonding aluminum to aluminum, which has extremely good adhesion, and the resulting aluminum-copper joint tube has mechanical properties that are no different from bonding aluminum tubes to aluminum tubes. Indicates strength. In addition, the above structure completely prevents the infiltration of moisture and the like from the joint interface between the aluminum tube 3 and the copper tube 1, and the leakage of refrigerant, and exhibits good corrosion resistance. Therefore, it is possible to provide a highly durable joint pipe that can withstand years of use.
本発明によつて接着剤適用による銅管１とアル
ミニウム管３の信頼性の高い接手管の提供が可能
であり、現在研究されている熱交換機配管用の銅
―アルミニウム拡管形圧接接手管に代るものとし
て直ちに実用でき、前記したクーリングユニツト
とコンプレツサーユニツト間の配管上の問題がこ
れによつて確実に解消され得る。即ち、上記銅―
アルミニウム接手管を用いれば、コンプレツサー
ユニツト側の銅管と該接手管の銅管側を、又コン
プレツサー側のアルミニウム管と該接手管のアル
ミニウム管側とを夫々同種金属同志で接合でき、
耐蝕性に富み、経年使用に耐える堅牢且つ信頼度
の高い配管接続が得られ、接合不良等による冷媒
の漏洩等といつた不測の事故を有効に防止するこ
とができ、加えて両ユニツト間の配管作業が頗る
容易なる接手管を提供できる。 According to the present invention, it is possible to provide a highly reliable joint pipe of copper pipe 1 and aluminum pipe 3 by applying an adhesive, and it can replace the copper-aluminum expanded pressure weld joint pipe for heat exchanger piping that is currently being researched. It can be put to practical use immediately as a system, and the above-mentioned piping problems between the cooling unit and the compressor unit can be reliably solved. That is, the above copper-
If an aluminum joint pipe is used, the copper pipe on the compressor unit side and the copper pipe side of the joint pipe can be joined together, and the aluminum pipe on the compressor side and the aluminum pipe side of the joint pipe can be joined using the same metals.
It is highly corrosion resistant, provides a robust and highly reliable piping connection that can withstand years of use, and can effectively prevent unexpected accidents such as refrigerant leaks due to poor connections. It is possible to provide a joint pipe that facilitates piping work.
図面は本発明に係る熱交換機用接手管の製造例
を示し、第１図は管端外表面にアルミニウムメツ
キ被覆を施した銅管を一部断面して示す側面図、
第２図は上記銅管をアルミニウム管内に挿入し、
接着した接手管を接着部を断面して示す側面図、
第３図は同接手管に塗料被覆を施した同側面図、
第４図は同接手管の接着部を拡大して示す断面
図、第５図、第６図は上記接手管構造において、
銅管にアルミニウム管端面と突合わさる環状突起
を形成した実施例を示し、第５図は両管の挿入接
着前の状態、第６図は同接着後の接手管を接着部
を断面して示す側面図、第７図、第８図は銅管内
表面にアルミニウムメツキ被覆を施し、該銅管内
にアルミニウム管を挿入し接着を図つた実施例を
示し、第７図は両管の挿入接着前の状態、第８図
は同接着後の接手管を接着部を断面して示す側面
図であり、第９図、第１０図は上記各実施例によ
つて得られたアルミニウム―銅接手管の両端に挿
入接手部、拡管接手部を形成した場合を、同接手
部を断面して示す側面図である。
１…銅管、２…アルミニウムメツキ被覆、３…
アルミニウム管、４…接着剤層、５…塗料被覆。
The drawings show an example of manufacturing a joint tube for a heat exchanger according to the present invention, and FIG. 1 is a partially sectional side view of a copper tube with an aluminum plating coating on the outer surface of the tube end.
Figure 2 shows the copper tube inserted into the aluminum tube.
A side view showing the bonded joint pipe in cross section,
Figure 3 is a side view of the same joint pipe with paint coating applied to it;
FIG. 4 is an enlarged sectional view showing the bonded part of the joint pipe, and FIGS. 5 and 6 show the joint pipe structure,
An example is shown in which a copper tube is formed with an annular protrusion that butts against the end surface of an aluminum tube. Figure 5 shows the state before both tubes are inserted and bonded, and Figure 6 shows a cross-section of the bonded part of the joint tube after the same bonding. The side view, Fig. 7, and Fig. 8 show an example in which the inner surface of the copper pipe is coated with aluminum plating, and an aluminum pipe is inserted into the copper pipe for adhesion. Fig. 7 shows the insertion and adhesion of both pipes. The previous state, FIG. 8, is a side view showing the bonded part of the joint pipe after bonding, and FIGS. 9 and 10 show the aluminum-copper joint pipe obtained in each of the above embodiments. It is a side view which shows the case where the insertion joint part and the pipe expansion joint part are formed in the both ends of the same joint part. 1...Copper tube, 2...Aluminum plating coating, 3...
Aluminum tube, 4...adhesive layer, 5...paint coating.
Claims (1)
施し、該銅管端とアルミニウム管の管端とを互い
に挿合して上記アルミニウムメツキ被覆とアルミ
ニウム管とを密着させ、該アルミニウム管と上記
アルミニウムメツキ被覆の密着面を接着剤を介し
結合することを特徴とする熱交換機用アルミニウ
ム―銅接手管の製造法。 ２ 第１項記載の発明において、アルミニウムメ
ツキ被覆は銅管の管端外表面に施したことを特徴
とする熱交換機用アルミニウム―銅接手管の製造
法。 ３ 第１項記載の発明において、アルミニウムメ
ツキ被覆は銅管の管端内表面に施したことを特徴
とする熱交換機用アルミニウム―銅接手管の製造
法。[Scope of Claims] 1. An aluminum plating coating is applied to the end surface of a copper tube, and the copper tube end and the tube end of the aluminum tube are inserted into each other so that the aluminum plating coating and the aluminum tube are brought into close contact with each other. A method for producing an aluminum-copper joint tube for a heat exchanger, characterized in that the aluminum tube and the contact surface of the aluminum plating coating are joined via an adhesive. 2. The method for producing an aluminum-copper joint tube for a heat exchanger according to the invention described in item 1, wherein the aluminum plating coating is applied to the outer surface of the end of the copper tube. 3. The method for manufacturing an aluminum-copper joint tube for a heat exchanger according to the invention described in item 1, wherein the aluminum plating coating is applied to the inner surface of the end of the copper tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57134955A JPS5824684A (en) | 1982-08-02 | 1982-08-02 | Manufacture of aluminum-copper joint pipe for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57134955A JPS5824684A (en) | 1982-08-02 | 1982-08-02 | Manufacture of aluminum-copper joint pipe for heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5824684A JPS5824684A (en) | 1983-02-14 |
| JPS6159439B2 true JPS6159439B2 (en) | 1986-12-16 |
Family
ID=15140473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57134955A Granted JPS5824684A (en) | 1982-08-02 | 1982-08-02 | Manufacture of aluminum-copper joint pipe for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5824684A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008487A (en) * | 2006-05-31 | 2008-01-17 | Asahi Organic Chem Ind Co Ltd | Tube connection construction |
| WO2015104845A1 (en) * | 2014-01-10 | 2015-07-16 | 三菱電機株式会社 | Connecting member and distributor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602804A (en) * | 1983-06-21 | 1985-01-09 | Kawasaki Heavy Ind Ltd | Conveyor nozzle for fuel to fluidized-bed combustion device |
| JP5291336B2 (en) * | 2007-12-27 | 2013-09-18 | 日本管洗工業株式会社 | Method and structure for joining metal members |
| JP5118981B2 (en) * | 2008-01-23 | 2013-01-16 | 日本管洗工業株式会社 | Flange joint and metal pipe connection structure |
| JP6005612B2 (en) * | 2013-09-04 | 2016-10-12 | 新菱冷熱工業株式会社 | Heat exchanger for air conditioning equipment |
-
1982
- 1982-08-02 JP JP57134955A patent/JPS5824684A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008487A (en) * | 2006-05-31 | 2008-01-17 | Asahi Organic Chem Ind Co Ltd | Tube connection construction |
| WO2015104845A1 (en) * | 2014-01-10 | 2015-07-16 | 三菱電機株式会社 | Connecting member and distributor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5824684A (en) | 1983-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101213395B (en) | Connection structure for different kinds of metal tubes | |
| JP2868316B2 (en) | Method of joining lining pipe articles | |
| JP2006138468A (en) | Joining structure and joining method of aluminum pipe with copper pipe | |
| JPS6159439B2 (en) | ||
| US3858911A (en) | Piping system | |
| US3425718A (en) | Flanged transition joint for dissimilar metals | |
| JPH0531353Y2 (en) | ||
| JP3948821B2 (en) | Connecting member for pipe fittings | |
| JPH06159563A (en) | Polyolefine pipe with socket | |
| JP2003172481A (en) | Connecting method of copper pipes | |
| JPH06159562A (en) | Pipe joint | |
| JPS598063Y2 (en) | piping joint | |
| JPS61222964A (en) | Manufacture of ceramics/metal joint | |
| JPS60177969A (en) | Method of jioning ti-al double tube and ti tube plate | |
| JPH0228760B2 (en) | ||
| JPS5934088A (en) | Corrosion-resisting double pipe joint structure | |
| JPH11336984A (en) | Connecting structure for composite pipe | |
| JP3959388B2 (en) | Joining method and joining structure of aluminum metal pipe and iron metal pipe | |
| JPH05340495A (en) | Composite pipe and connection structure thereof | |
| JPS5934087A (en) | Corrosion-resisting double pipe joint structure | |
| JPH05209697A (en) | Reinforced plastic pipe joint | |
| JPH0128394Y2 (en) | ||
| JPH0648239Y2 (en) | Connection structure of coated stainless steel pipe | |
| JPH08145249A (en) | Coupling structure of al alloy pipe having excellent airtight durability | |
| JPH0212678B2 (en) |