JPS60203328A - Device for forming u pipe tip - Google Patents
Device for forming u pipe tipInfo
- Publication number
- JPS60203328A JPS60203328A JP5813284A JP5813284A JPS60203328A JP S60203328 A JPS60203328 A JP S60203328A JP 5813284 A JP5813284 A JP 5813284A JP 5813284 A JP5813284 A JP 5813284A JP S60203328 A JPS60203328 A JP S60203328A
- Authority
- JP
- Japan
- Prior art keywords
- tip
- pipe
- diameter
- tip part
- forming
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/006—Tubular elements; Assemblies of tubular elements with variable shape, e.g. with modified tube ends, with different geometrical features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Automatic Assembly (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の技術分野］
本発明は空気調和機などに使用される熱交換器に関し、
特に熱交換器のフィンに穴を形成し、その穴に１」パイ
プを挿入して製造する熱交換器において、その穴に挿入
するＵバイブの先端を穴に差し込み易く加工するための
Ｕパイプ先端フォーミング装置に関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a heat exchanger used in an air conditioner, etc.
Especially in heat exchangers manufactured by forming holes in the fins of the heat exchanger and inserting 1" pipes into the holes, the tip of the U-pipe is processed to make it easier to insert the tip of the U-vib into the hole. This invention relates to a forming device.
［発明の技術的背景とその問題点］
空気調和機などに使用される熱交換器は、第゛１図に示
すように多数のフィンプレートを積層してフィン本体１
を形成し、そのフィン本体１に設けた複数の穴２にＵ字
形のＵパイプ３の画先端部４゜４を挿入して製造される
。この場合Ｕバイブはツバイブベンダー（図示せず）に
より成形され、成形後のＵバイブは自動挿入機（図示せ
ず）にて製造されるようになってきている。[Technical background of the invention and its problems] A heat exchanger used in an air conditioner, etc. has a fin main body 1 made by stacking a large number of fin plates, as shown in Fig. 1.
It is manufactured by forming a fin body 1, and inserting the tip end 4° 4 of a U-shaped U pipe 3 into a plurality of holes 2 provided in the fin body 1. In this case, the U-vibrator is molded by a Zweib bender (not shown), and the molded U-vibrator is now manufactured by an automatic insertion machine (not shown).
しかしながら、従来のＵパイプ３の先端部４の形状は（
ツバイブベンダーの機構上、第２図に示ずように先端部
が末広がりのバリ５が生じ、このバリ５のためにフィン
本体１の穴２にＵバイブ３をスムーズに挿入させること
が困難であった。However, the shape of the tip 4 of the conventional U-pipe 3 is (
Due to the mechanism of the Zweib bender, a burr 5 is formed at the tip end, as shown in FIG. there were.
熱交換器においては、挿入されるＵパイプとフィン本体
１の穴２とのクリアランスは厳しく設定されるため、手
で挿入するにもある程度の慣れが必要であったものを、
これを自動的に挿入させた場合は挿入ミスの大きな原因
となる。In a heat exchanger, the clearance between the U pipe to be inserted and the hole 2 of the fin body 1 is set strictly, so it took some getting used to inserting it by hand.
If this is automatically inserted, it will be a major cause of insertion errors.
［発明の目的１
本発明は上記事情を考慮してなされたもので、フィン本
体の穴にＵバイブの先端部を挿入するにおいて、（」パ
イプの先端部を加、■してその挿入を容易に行なうこと
ができるＵパイプ先端）Ａ−ミング装置を提供すること
を目的と１６゜［発明の概要１
本発明は、熱交換器のフィン本体に形成した穴にＵパイ
プの画先端部を挿入ずべ（そのＵバイブの先端部を加工
する（ツバイブ先端フォーミング装置において、−に記
Ｕバイブの先端部の管外周と嵌合してその先端部の外周
を縮径するフォーミングブロックと、そのフォーミング
ブロック内に設番プられ、上記先端部の管内に挿入され
て縮径時の管を支持するビンとを備えたことを特徴とす
るものであり、Ｕパイプをフィン本体の穴に挿入する前
にそのＵパイプの先端部の管内にビンを挿入すると共に
フォーミングブロックを嵌合させることにより、先端部
を先細の形状に縮径加工し、そのフィン本体の穴への挿
入を容易に行なえるようにし］こものである。[Objective of the Invention 1] The present invention has been made in consideration of the above-mentioned circumstances. When inserting the tip of the U-vib into the hole of the fin body, The purpose of the present invention is to provide a U-pipe tip end) A-ming device that can perform 16° [Summary of the invention 1. Processing the tip of the U-vib (in the Zubbe tip-forming device, there is a forming block that fits with the outer periphery of the tube at the tip of the U-vib to reduce the diameter of the tip of the U-vib; and the forming block. The fin is characterized by a bottle that is inserted into the tube at the tip and supports the tube during diameter reduction, and before inserting the U pipe into the hole in the fin body. By inserting a bottle into the tube at the tip of the U-pipe and fitting a forming block, the tip is reduced in diameter to a tapered shape so that it can be easily inserted into the hole in the fin body. ] It's a small thing.
［発明の実施例］
以下、本発明に係るＵパイプ先端フｌ−ミング装置の好
適一実施例を添付図面に基づいて説明する。[Embodiments of the Invention] Hereinafter, a preferred embodiment of the U-pipe tip flumming device according to the present invention will be described with reference to the accompanying drawings.
第３図は本発明に係るＵバイブ先端フＡ−ミング装置の
要部を示したもので、２本のＵバイブ３の先端部４を略
同時に加］−するフォーミング機構６の例を示している
。図において７は筒状のフォーミングブ１」ツクで、そ
の内周面８はＵパイプ３の先端部４と嵌合した際に、そ
の外周を縮径するよう末広がり状に形成される。フォー
ミングブロックフ内には先端が円錐状の突部９を有する
ビン１０が設（プられる。このビン１０の径はＵバイブ
３の先端部４の管内径より若干小さく形成され、フォー
ミングブロック７で先端部４が縮径される際にその管内
を支持し、先端部４の管径が小さくなりリ−ぎることを
防止する。FIG. 3 shows the main parts of the U-vib tip forming device according to the present invention, and shows an example of a forming mechanism 6 that applies the tips 4 of two U-vibes 3 almost simultaneously. There is. In the figure, reference numeral 7 denotes a cylindrical forming tab 1'', the inner peripheral surface 8 of which is formed in a shape that widens toward the outside so that the diameter of the outer periphery is reduced when the tip 4 of the U-pipe 3 is fitted. A bottle 10 having a conical protrusion 9 at the tip is installed inside the forming block. It supports the inside of the tube when the tip portion 4 is reduced in diameter, and prevents the tube diameter of the tip portion 4 from becoming too small and leaking.
フォーミングブロック７とビン１０とは支持台１１によ
り支持されており、）Ａ−ミングブロツク７はスプリン
グ１２にＪ：すＵパイプ３側に付勢されている。The forming block 7 and the bottle 10 are supported by a support stand 11, and the forming block 7 is urged toward the J:U pipe 3 by a spring 12.
このフォーミング＊ ＩＭ ６はＵパイプ３がＵパイプ
ベンダー（図示せず）で成形され、それを自動挿入装置
（図示せず）でフィン本体１の穴２に挿入する間の工程
中に設けられ、フォーミングブロック７とビン１０とに
よりＵパイプ３の先端部４を第４図に示したように先細
の形状に加工する。This forming * IM 6 is provided during the process during which the U-pipe 3 is formed by a U-pipe bender (not shown) and inserted into the hole 2 of the fin body 1 by an automatic insertion device (not shown), Using the forming block 7 and the bottle 10, the tip 4 of the U-pipe 3 is processed into a tapered shape as shown in FIG.
すなわち、フォーミング機構６をＵパイプ３側に移動し
てその先端部４の外周にフォーミングブロック７を嵌合
し、内周にビン１０を挿入し、ビン１０ｒ″先端部４の
内側を支持しながらフォーミングブロック７の末広がり
状の内周面８で先端部４の外周を縮径する。That is, the forming mechanism 6 is moved to the U-pipe 3 side, the forming block 7 is fitted to the outer periphery of the tip 4, the bottle 10 is inserted into the inner periphery, and the bottle 10r'' is moved while supporting the inside of the tip 4. The outer periphery of the tip portion 4 is reduced in diameter by the inner circumferential surface 8 of the forming block 7 that widens toward the end.
次に、このフォーミング機構６を設けたフォーミング装
置の全体を第５図により説明する。Next, the entire forming device provided with this forming mechanism 6 will be explained with reference to FIG.
（ツバイブベンダー（図示「ず）により成形されたＵパ
イプ３は取出移送装置１３の移送索１４にその屈曲部３
ａがまたがって吊り下げられ、かつ各々が連なった状態
で移送される。この移送索１−５＝
４のＵバイブ３の移送方向の上方にはＵパイプ３の移動
を停止するストッパー装置１５及びストッパー装置１５
で止められたＵパイプ３の先頭の二本を夫々分離するた
めのニスクープ装置１６が支持体１７で支持される。ス
トッパー装置１５は支持体１７上に取り付（プられるシ
リンダ１８と、そのシリンダ１８により上下して移送索
１４で吊り下げられたりパイプ３を停止したり、停止を
解除したりするストッパー片１９とからなる。エスケー
プ装置１６は支持体１７１−に取り付番プられるシリン
ダ２０と、そのシリンダ２０により回動される（回動機
構は省略する）エスケープメントレバー２１とからなり
、第６図に示すようにシリンダ２０のロッド２２の往復
動により一対のエスケープメントレバー２１が移送索１
４を挾持する方向に又その逆に移送索１４から夫々離れ
る方向に回動する。またエスケープメントレバー２１は
第７図に示すようにＵパイプ３の管径ごとのピッチでロ
ッド２２に連結され、ロッド２２の往復動により夫々の
エスケープメントレバー２１が同時に回−〇−
動し、その先頭のツバイブ３の二本を分離する。(The U-pipe 3 formed by a Zweib bender (not shown) is attached to the transfer cable 14 of the take-out transfer device 13 at its bent portion 3.
a are suspended astride each other, and each is transported in a continuous state. A stopper device 15 for stopping the movement of the U-pipe 3 and a stopper device 15 are provided above the transfer direction of the U-vibe 3 of the transfer cable 1-5=4.
A support body 17 supports a varnish scoop device 16 for separating the two leading ends of the U-pipe 3, which are stopped by a support member 17. The stopper device 15 includes a cylinder 18 that is mounted on a support 17 (pulled), and a stopper piece 19 that moves up and down with the cylinder 18 and is suspended by a transfer cable 14 to stop or release the pipe 3. The escape device 16 consists of a cylinder 20 attached to a support 171-, and an escapement lever 21 rotated by the cylinder 20 (the rotation mechanism is omitted), as shown in FIG. The reciprocating movement of the rod 22 of the cylinder 20 causes the pair of escapement levers 21 to
4 in the direction of clamping it, and vice versa, in the direction of moving away from the transfer cable 14. Further, as shown in FIG. 7, the escapement levers 21 are connected to rods 22 at a pitch corresponding to the diameter of the U-pipe 3, and the reciprocating movement of the rods 22 causes the escapement levers 21 to simultaneously rotate. Separate the two Zweibs 3 at the beginning.
ストッパー装置１５及びエスケープ装置１６の移送方向
前方の支持係１７にはツバイブ３の屈曲部３ａを支持す
る固定部Ｍ２３が設けられる。この固定装置２３はシリ
ンダ２４とそのシリンダ２３により上下動され（ツバイ
ブ３の屈曲部３ａに嵌め込んでその屈曲部３ａを固定す
る固定部２５とからなる。A fixing portion M23 that supports the bent portion 3a of the tube 3 is provided in the support member 17 in front of the stopper device 15 and the escape device 16 in the transfer direction. This fixing device 23 consists of a cylinder 24 and a fixing part 25 that is moved up and down by the cylinder 23 (fitted into the bent part 3a of the tube 3 to fix the bent part 3a).
固定装置２３の下方には」一連のようにエスケープ装置
１６で分離された二本のツバイブ３をその屈曲部３ａが
１−記固定装置２３で固定される位置まで移送する１〜
ランスフアー装置２６が設けられる。このトランスツア
ー装置２６は、エスケープ装置１６で二本のツバイブ３
を分離したのち二本のツバイブ３をつかむ爪２７と、そ
の爪２７を移動するシリンダ２８と、爪２７の移動を案
内するガイド部材２９とからなる。この１〜ランスフア
ー装置２６の下方にはツバイブ３の下方を支持するホル
ダー３０が設置）られる。二本のりパイプ３が固定装置
２３とホルダー３０で支持された位置において、各ツバ
イブ３の先端部４を縮径加ゴーするフォーミング機４１
６が、そのパイプ３の軸に沿って一ト下移動するよう成
形用シリンダ３１の昇降ロッド３２に取り付１ノられる
。Below the fixing device 23 are a series of devices for transporting the two tubes 3 separated by the escape device 16 to a position where their bent portions 3a are fixed by the fixing device 23.
A transfer device 26 is provided. This transtour device 26 has an escape device 16 and two zweibs 3.
It consists of a claw 27 that grips the two zives 3 after separating them, a cylinder 28 that moves the claws 27, and a guide member 29 that guides the movement of the claws 27. A holder 30 for supporting the lower part of the tube 3 is installed below the transfer device 26. A forming machine 41 that reduces the diameter of the tip 4 of each tube 3 at a position where the two pipes 3 are supported by the fixing device 23 and the holder 30
6 is attached to the lifting rod 32 of the forming cylinder 31 so as to move downward one step along the axis of the pipe 3.
以上において、ツバイブベンダー（図示せず）でＵ字形
に折り曲げられて成形されたツバイブ３は取出移送装置
１３の移送索１４にその屈曲部３ａがまたがりその移送
索１４により吊り下げられた状態で連なって移送される
。このツバイブ３はストッパー装置１５でその移動が止
められ、第５図に示したように各ツバイブ３が密に並ん
だ状態どなる。この場合移送索１４は移動しておりツバ
イブ３は、その移送索１４に対してスリップした状態で
停止され１６す、移送索１４の傾斜を若干上向きにする
ことによりスリップがスムーズに行なえＵパイプ３同士
が重なり合うことがない。このストッパー装置１５でツ
バイブ３が止められたのちエスケープ装置１６が作動し
、エスケープメントレバー２１が移送索１４を挟持する
よう回動することで先頭のツバイブ３の二本が分離され
る。In the above, the Zweib 3 which has been bent into a U-shape by a Zweib bender (not shown) is suspended by the transfer cable 14 of the removal and transfer device 13 with its bent portion 3a straddling the transfer cable 14. transported in succession. The movement of the zives 3 is stopped by a stopper device 15, and the zives 3 are arranged closely together as shown in FIG. In this case, the transfer rope 14 is moving and the Zweib 3 is stopped in a state where it is slipped relative to the transfer rope 14. By tilting the transfer rope 14 slightly upward, slipping can be performed smoothly and the U pipe 3 They never overlap. After the zive 3 is stopped by the stopper device 15, the escape device 16 is activated and the escapement lever 21 rotates to sandwich the transfer cable 14, thereby separating the two leading zive 3.
その状態で１〜ランスフアー装置２６の爪２７がエスケ
ープ装置１６まで延び、そのエスケープ装置１６で分離
されｔｃ Ｉｋ、＃の二本の（ツバイブ３をつかむ。こ
の爪２７がＬツバイブ３をつかんだならばエスケープ装
置１６のエスケプメントレバ−２１は互いに開くよう回
動じ、また同時にストッパー装＠１５も解除され、爪２
７により（ツバイブ３は固定装置２３の下方の所定位置
まで移動される。爪２７がツバイブ３をつかんで移動し
たならば再びストッパー１５が後続のツバイブ３を停止
するよう、またエスケープ装置１１１６は先頭の二本を
分離するよう回動する。In this state, the claws 27 of the 1~ransfur device 26 extend to the escape device 16, are separated by the escape device 16, and grasp the two (tc Ik, For example, the escapement levers 21 of the escape device 16 are rotated to open each other, and at the same time, the stopper attachment @15 is also released, and the claw 2
7, (the Zweib 3 is moved to a predetermined position below the fixing device 23. When the claw 27 grabs the Zweib 3 and moves, the stopper 15 stops the following Zweib 3 again, and the escape device 1116 moves the Zweib 3 to the leading position. Rotate to separate the two.
爪２７により所定位置に移送されたツバイブ３はその上
下を固定部＠２３とホルダー３０で支持され、その状態
で成形用シリンダ３１によりフォーミングｖ１１６がツ
バイブ３の先端部４へ向けて移動し、上）！ｉしたよう
にその先端部４を第４図に示した形状に縮径加■する。The Zweib 3 transferred to a predetermined position by the claw 27 is supported by the fixing part @23 and the holder 30 on its upper and lower sides, and in this state, the forming v116 is moved by the forming cylinder 31 toward the tip 4 of the Zweib 3, and the upper and lower sides are )! The diameter of the tip portion 4 is reduced to the shape shown in FIG. 4 as shown in FIG.
この場合フォーミング機構６のフォーミングブロック７
はスプリング１２を介して支持台１１に支持されるため
二本の９−
ツバイブ３の先端部４ずなわら４ケ所の長さの違いを吸
収して均一にフォーミンクできるようにしてあり、ツバ
イブ３の全体にその加工時の力が均一にかかり、局部的
に無理な荷重がかからないようになっている。縮径加工
後のツバイブ３は固定装置２３、ホルダー３０、フォー
ミング機構６から解除され移送索１４より自動挿入装置
（図示せず）に移送される。In this case, forming block 7 of forming mechanism 6
is supported by a support base 11 via a spring 12, so that it is possible to absorb the difference in length at each of the four tip ends 4 of the two 9-tubes 3 and form them uniformly. The force during machining is applied uniformly to the entire part 3, so that no excessive load is applied locally. After the diameter reduction process, the Zweib 3 is released from the fixing device 23, the holder 30, and the forming mechanism 6, and is transferred via the transfer cable 14 to an automatic insertion device (not shown).
し発明の効果］
以上詳述してきたことから明らかなように本発明によれ
ば次のごとぎ優れた効果を発揮する。Effects of the Invention] As is clear from the above detailed description, the present invention exhibits the following excellent effects.
（１）ツバイブの先端部の管外周と嵌合してその先端部
の外周を縮径するフォーミングブロックにより縮径加工
するので、そのツバイブのフィン本体の穴への挿入が容
易に行なえる。(1) Since the diameter of the tip of the tube is reduced by a forming block that fits with the outer periphery of the pipe at the tip of the tube, the tube can be easily inserted into the hole of the fin body.
（２） フォーミングブロック内に縮径時の管の内周を
支持するビンを設けたので、先端部が過度に縮径される
ことがなく常に略一定の縮径度に保つことができる。(2) Since a bin is provided in the forming block to support the inner periphery of the tube during diameter reduction, the diameter of the tip portion is not reduced excessively and the diameter can be maintained at a substantially constant degree of reduction at all times.
（３１ＬＪツバイブ先端部が縮径されてフィンとの八１
０−
りがっでかよくなることにより、自動的に挿入してもそ
の挿入にミスがイ５くなる。(The tip of the 31LJ twive has been reduced in diameter so that it is 81LJ with the fin.
0- Due to the stiffness of the paper, even if it is inserted automatically, there will be fewer mistakes when inserting it.
（４）Ｕパイプの挿入後はＵパイプ先端の穴をつかって
熱交換器を搬送Ｊるが、Ｕパイプの穴が略一定に縮径さ
れることによりその搬送ミスをなくすことができる。(4) After the U-pipe is inserted, the heat exchanger is transported using the hole at the tip of the U-pipe, but by reducing the diameter of the hole in the U-pipe to a substantially constant diameter, mistakes in transport can be eliminated.
第１図は熱交換器をＩ！Ｊ造りる状態を示す斜視図、第
２図は第１図においＣフィン本体の穴に挿入する従来の
（ツバイブの先端形状を示す−−一部断面図、第３図は
本発明に係る（Ｊバイブ先端フォーミング装置の一実施
例を示す要部断面図、第４図は第３図の装置で加工され
た（Ｊバーｒブの先端形状を示−１−−一部断面図、第
５図は本考案に係るＵバイブ先端フォーミング装置の全
体を示ず正面図、Ｍ６図は第５図のＶｌ −Ｖｌ線矢視
図、第７図は第６図の側面図である。
図中、１はフィン本体、２は穴、３はＵバイブ、４は先
端部、７はフォーミングブロック、１０はビンである。
−１１＝Figure 1 shows the heat exchanger I! FIG. 2 is a perspective view showing the state of making a J-fin; FIG. 2 is a partial sectional view showing the tip shape of the conventional fin inserted into the hole of the C-fin body in FIG. 1; FIG. FIG. 4 is a sectional view of a main part showing an embodiment of the J-vibe tip forming device, and FIG. The figure is a front view, not showing the entire U-vib tip forming device according to the present invention, Figure M6 is a view taken along the line Vl-Vl in Figure 5, and Figure 7 is a side view of Figure 6. 1 is the fin body, 2 is the hole, 3 is the U vibe, 4 is the tip, 7 is the forming block, and 10 is the bottle. -11=
Claims (1)
部を挿入ずべくそのＵバイブの先端部を加工する（Ｊパ
イプ先端）４−ミンク装置において、−ト記Ｕバイブの
先端部の管外周と嵌合してその先端部の外周を縮径する
フォーミンクブロックと、そのフォーミングブロック内
に設けられ、上記先端部の管内に挿入されて縮径時の管
を支持するビンとを備えたことを特徴とするＵパイプ先
端フォーミング装置。Machining the tip of the U-vib to insert it into the hole formed in the fin body of the heat exchanger (J-pipe tip) 4- In the mink device, - A forming block that fits with the outer periphery of the tube to reduce the diameter of the outer periphery of the distal end thereof, and a bottle provided within the forming block and inserted into the tube of the distal end portion to support the tube during diameter reduction. This is a U-pipe tip forming device that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5813284A JPS60203328A (en) | 1984-03-28 | 1984-03-28 | Device for forming u pipe tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5813284A JPS60203328A (en) | 1984-03-28 | 1984-03-28 | Device for forming u pipe tip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60203328A true JPS60203328A (en) | 1985-10-14 |
| JPH0221891B2 JPH0221891B2 (en) | 1990-05-16 |
Family
ID=13075453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5813284A Granted JPS60203328A (en) | 1984-03-28 | 1984-03-28 | Device for forming u pipe tip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60203328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748399A (en) * | 2023-08-18 | 2023-09-15 | 安徽新江海包装材料有限公司 | Air conditioner air duct component forming device and VF air conditioner air duct component |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH071690U (en) * | 1993-06-10 | 1995-01-10 | 有限会社マピカ | Earphone fittings |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626647A (en) * | 1979-07-26 | 1981-03-14 | Valeo | Method and device for molding metallic pipe for heat exchanger |
| JPS57129477A (en) * | 1981-02-04 | 1982-08-11 | Sumitomo Light Metal Ind Ltd | Manufacture for heating and fixing roll |
-
1984
- 1984-03-28 JP JP5813284A patent/JPS60203328A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626647A (en) * | 1979-07-26 | 1981-03-14 | Valeo | Method and device for molding metallic pipe for heat exchanger |
| JPS57129477A (en) * | 1981-02-04 | 1982-08-11 | Sumitomo Light Metal Ind Ltd | Manufacture for heating and fixing roll |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748399A (en) * | 2023-08-18 | 2023-09-15 | 安徽新江海包装材料有限公司 | Air conditioner air duct component forming device and VF air conditioner air duct component |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221891B2 (en) | 1990-05-16 |
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