JPH07185799A - Device for coating inside surface of metal outer tube with brazing material - Google Patents
Device for coating inside surface of metal outer tube with brazing materialInfo
- Publication number
- JPH07185799A JPH07185799A JP5332806A JP33280693A JPH07185799A JP H07185799 A JPH07185799 A JP H07185799A JP 5332806 A JP5332806 A JP 5332806A JP 33280693 A JP33280693 A JP 33280693A JP H07185799 A JPH07185799 A JP H07185799A
- Authority
- JP
- Japan
- Prior art keywords
- metal outer
- outer cylinder
- brazing material
- outer tube
- metal
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 102
- 238000005219 brazing Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 title claims abstract description 36
- 239000011248 coating agent Substances 0.000 title claims abstract description 9
- 238000000576 coating method Methods 0.000 title claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 22
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 6
- 239000011888 foil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は金属外筒内面に粉末状の
ろう材とバインダ−の混合物であるスラリ−を塗布する
装置に関し、例えば、平板と波板を重ね巻回した金属ハ
ニカムコア体と該金属ハニカムコア体の外周を囲む金属
外筒を接合する為の粉末状のろう材とバインダ−の混合
物であるスラリ−を金属外筒内面の任意の位置に塗布す
るに好適なろう材塗布装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for applying a slurry, which is a mixture of a powdery brazing material and a binder, to the inner surface of a metal outer cylinder, and for example, a metal honeycomb core body in which a flat plate and a corrugated plate are superposed and wound. And a brazing material suitable for applying a slurry, which is a mixture of a powdery brazing material and a binder for joining a metal outer cylinder surrounding the outer periphery of the metal honeycomb core body, to an arbitrary position on the inner surface of the metal outer cylinder. It relates to the device.
【０００２】[0002]
【従来の技術】従来より自動車、自動二輪車及び産業用
機器の排気ガス浄化用触媒を担持するためメタルハニカ
ム担体が使用されている。メタルハニカム担体は金属帯
の平板と波板を重ね巻回した金属ハニカムコア体が金属
外筒で覆われた構造になっており、金属ハニカムコア体
の最外周の平板あるいは波板と金属外筒の内壁がろう付
けで接合されている。このろう付け方法として、従来は
金属ハニカムコア体の外周面に箔ろうを巻き付け、真空
熱処理を行い金属ハニカムコア体と金属外筒をろう付け
していた。この金属ハニカムコア体外周面への箔ろうの
巻きつけ作業としては、帯び状の箔ろうを事前に短冊状
に切断し、一枚一枚金属ハニカム体外周面に巻きつけ、
さらに箔ろうを金属ハニカム体外周面に固定するためス
ポット溶接を行う等の手段が取られているが、この方法
は極めて作業性が悪いという欠点があるのみならず、箔
ろうは粉末ろうに比べ高価であり、さらに箔ろうにはボ
ロンが含まれている為、箔ろうで接合したメタルハニカ
ム担体はボロンが母材に拡散し耐熱性が劣化してしまう
恐れがあった。このように箔ろう材を使用することは、
作業性、コスト及び品質の点で問題があった。従って、
このような欠点を改良するには粉末ろうを使用する事が
好ましい。2. Description of the Related Art Conventionally, a metal honeycomb carrier has been used to carry an exhaust gas purifying catalyst for automobiles, motorcycles and industrial equipment. The metal honeycomb carrier has a structure in which a metal honeycomb core body obtained by stacking a metal band flat plate and a corrugated plate on top of each other is covered with a metal outer cylinder, and the outermost flat plate or corrugated plate of the metal honeycomb core body and the metal outer cylinder. The inner walls of the are joined by brazing. As this brazing method, conventionally, a foil braze is wound around the outer peripheral surface of the metal honeycomb core body and vacuum heat treatment is performed to braze the metal honeycomb core body and the metal outer cylinder. As the work of winding the foil brazing material on the outer peripheral surface of the metal honeycomb core body, the band-shaped foil brazing material is cut into strips in advance and wound one by one on the outer peripheral surface of the metal honeycomb body,
Furthermore, means such as spot welding are used to fix the foil brazing to the outer peripheral surface of the metal honeycomb body, but this method not only has the drawback of extremely poor workability, but the foil brazing is superior to powder brazing. Since the foil solder is expensive and further contains boron, there is a risk that the metal honeycomb carrier bonded with the foil solder will have boron diffused into the base material and deteriorated in heat resistance. Using foil brazing material like this
There was a problem in workability, cost and quality. Therefore,
In order to improve such a defect, it is preferable to use powdered wax.
【０００３】しかし、粉末ろうを用いて金属ハニカム体
の最外周の平板あるいは波板と金属外筒をろう付けする
場合、粉末ろうを塗布する位置としてハニカムコア体外
周及び金属外筒内面とがある。しかし、ハニカムコア体
と金属外筒との嵌合及び取扱の点で金属外筒内面にろう
材を塗布することが好ましい。However, when the outermost flat plate or corrugated plate of the metal honeycomb body is brazed to the metal outer cylinder by using the powder braze, the outer periphery of the honeycomb core body and the inner surface of the metal outer cylinder are positioned to apply the powder braze. . However, it is preferable to apply the brazing material to the inner surface of the metal outer cylinder in terms of fitting and handling of the honeycomb core body and the metal outer cylinder.
【０００４】従来、金属外筒内面へのろう材の塗布方法
として回転する金属外筒の内面に粉末ろうとバインダ−
の混合であるスラリ−を刷毛等で人手により塗布してい
た。しかし、この方法では均一にかつ精度よく任意の位
置に塗布することが難しく、かつ時間がかかり作業性が
悪かった。また、バインダ−として有機系のバインダ−
を使用した場合、作業環境の問題があった。Conventionally, as a method of applying a brazing material to the inner surface of a metal outer cylinder, a powder brazing agent and a binder are applied to the inner surface of a rotating metal outer cylinder.
The slurry, which is a mixture of the above, was manually applied with a brush or the like. However, with this method, it is difficult to apply it uniformly and accurately at an arbitrary position, and it takes time and the workability is poor. Further, as a binder, an organic binder
There was a work environment problem when using.
【０００５】[0005]
【発明が解決しようとする課題】本発明は以上の如く、
作業性、コスト、品質の上で問題のある箔ろうの代わり
に、粉末ろうとバインダ−の混合物であるスラリ−を金
属外筒内面に、効率良く、任意の位置に均一に自動的に
塗布する装置について種々検討した結果、本発明を完成
したもので、本発明の目的は粉末ろうとバインダ−の混
合物であるスラリ−を金属外筒内面に、効率良く、任意
の位置に均一に自動的に塗布する装置を提供するもので
ある。As described above, the present invention is as follows.
A device that automatically and efficiently applies a slurry, which is a mixture of a powdered wax and a binder, to the inner surface of a metal outer cylinder in an efficient and uniform manner in place of a foil wax, which has problems in workability, cost, and quality. As a result of various studies on the above, the present invention has been completed, and an object of the present invention is to apply a slurry, which is a mixture of a powdered wax and a binder, to the inner surface of the metal outer cylinder efficiently and uniformly at any position. A device is provided.
【０００６】[0006]
【課題を解決するための手段】本願発明の要旨は、平板
と波板を重ね巻回して形成した金属ハニカムコア体と該
金属ハニカムコア体の外周を囲む金属外筒を接合する為
の粉末状のろう材とバインダ−の混合物であるスラリ−
を金属外筒内面の任意の位置に塗布する装置において、
金属外筒搬入装置、金属外筒回転支持装置、金属外筒内
面へのろう材塗布装置及びろう材塗布後の金属外筒搬出
及び回収装置よりなり、前記金属外筒搬入装置により所
定の位置に搬入されると金属外筒回転支持装置を回転
し、ろう材塗布装置を作動させる手段を具備したことを
特徴とする、金属外筒内面へのろう材塗布装置である。
即ち、本発明は、粉末ろうとバインダ−の混合物である
スラリ−を供給するろう材供給装置を備え、金属外筒内
面の任意の位置にろう材を均一に塗布する機構と金属外
筒を回転支持及び外筒を搬送する機構を具備したことを
特徴とする金属外筒内面へのろう材塗布装置にある。そ
して、本発明における金属外筒搬入装置により所定の位
置に搬入されると金属外筒回転支持装置を回転し、ろう
材塗布装置を作動させる手段としては、例えばセンサ−
等により行えば良い。SUMMARY OF THE INVENTION The gist of the present invention is a powder for joining a metal honeycomb core body formed by stacking and winding a flat plate and a corrugated plate and a metal outer cylinder surrounding the outer periphery of the metal honeycomb core body. Slurry which is a mixture of the brazing filler metal and binder
In a device that applies the to any position on the inner surface of the metal outer cylinder,
A metal outer cylinder carry-in device, a metal outer cylinder rotary support device, a brazing material applying device for the inner surface of the metal outer cylinder, and a metal outer cylinder carrying-out and collecting device after the brazing material is applied. A brazing material coating device for an inner surface of a metal outer cylinder, comprising means for rotating the metal outer cylinder rotation supporting device when loaded and activating the brazing material coating device.
That is, the present invention includes a brazing material supply device for supplying a slurry which is a mixture of a powdered brazing material and a binder, and a mechanism for uniformly applying the brazing material to an arbitrary position on the inner surface of the metal outer cylinder and a rotatably supporting metal outer cylinder. And a brazing material coating device for an inner surface of a metal outer cylinder, which is equipped with a mechanism for conveying the outer cylinder. When the metal outer cylinder carry-in device of the present invention is carried into a predetermined position, the metal outer cylinder rotation supporting device is rotated to operate the brazing material coating device, for example, a sensor.
And so on.
【０００７】[0007]
【実施例】本発明を実施例をもとに詳細に説明する。本
発明装置の概略図を図１に示す。本装置は大きく別けて
金属外筒搬入装置、金属外筒回転支持装置、金属外筒内
面へのろう材塗布装置及びろう材塗布後の外筒搬出、回
収装置から構成されている。金属外筒搬入装置、金属外
筒回転支持装置について述べる。金属外筒搬入装置、金
属外筒回転支持装置は、金属外筒搬入用シリンダ−４、
金属外筒回転支持用チャック５及び金属外筒回転支持用
チャック駆動モ−タ−６及びセンサ−７で構成されてい
る。金属外筒搬入用ガイド２より金属外筒搬入用ガイド
３に送られる。次に金属外筒搬入用シリンダ−４により
一定量、金属外筒回転支持用チャック５の方向に送られ
る。その後シリンダ−４は元の位置に戻り、金属外筒搬
入用ガイド２にある金属外筒１は自重により金属外筒搬
入用ガイド３にセットされる。金属外筒回転支持用チャ
ック５に送られた金属外筒１は、センサ−７がシリンダ
−４が元の位置に戻ったことを検出した時、金属外筒回
転支持用チャック５によってクランプされる。その後金
属外筒回転支持用チャック５は自動的にモ−タ−６によ
り回転させられる。EXAMPLES The present invention will be described in detail based on examples. A schematic diagram of the device of the present invention is shown in FIG. This apparatus is roughly divided into a metal outer cylinder loading device, a metal outer cylinder rotation supporting device, a brazing material applying device for the inner surface of the metal outer cylinder, and an outer cylinder unloading and collecting device after the brazing material is applied. The metal outer cylinder carry-in device and the metal outer cylinder rotation support device will be described. The metal outer cylinder carry-in device and the metal outer cylinder rotation supporting device are the metal outer cylinder carry-in cylinder-4,
It comprises a metal outer cylinder rotation supporting chuck 5, a metal outer cylinder rotation supporting chuck driving motor 6 and a sensor 7. It is sent from the metal outer cylinder carry-in guide 2 to the metal outer cylinder carry-in guide 3. Next, a fixed amount is sent by the metal outer cylinder loading cylinder-4 toward the metal outer cylinder rotation support chuck 5. After that, the cylinder 4 returns to the original position, and the metal outer cylinder 1 in the metal outer cylinder carry-in guide 2 is set on the metal outer cylinder carry-in guide 3 by its own weight. The metal outer cylinder 1 sent to the metal outer cylinder rotation supporting chuck 5 is clamped by the metal outer cylinder rotation supporting chuck 5 when the sensor 7 detects that the cylinder 4 has returned to its original position. . Thereafter, the metal outer cylinder rotation supporting chuck 5 is automatically rotated by the motor 6.
【０００８】次に金属外筒内面へのろう材塗布装置につ
いて述べる。ろう材塗布装置はろう材供給用コントロ−
ラ８、粉末状ろう材とバインダ−の混合物であるスラリ
−を保持するスラリ−タンク９、スラリ−を金属外筒内
面に射出するノズル１０、射出されたスラリ−の厚さを
均一にしかつ幅方向に広げる刷毛またはロ−ラ−１１、
ノズル１０及び刷毛又はロ−ラ−１１を取つける保持治
具１２、さらにノズル１０、刷毛又はロ−ラ−１１を取
付けた保持治具１２を左右に移動させる可動台１３及び
移動長さを調節するセンサ−兼スットパ−１４また保持
治具１２を上下方向に可動させるための電磁石１５から
構成されている。金属外筒が金属外筒回転支持用チャッ
ク５によりクランプされ回転した後、可動台１３が移動
し可動台１３に取りつけられた保持治具１２が金属外筒
１の内面に挿入される。挿入長さのコントロ−ルはスト
ッパ−１４により調製される。センサ−兼ストッパ−１
４に可動台１３が接触したとき電磁石１５に電流が流れ
電磁石１５に保持治具１２が吸いつけられる。その結
果、保持治具１２の先端に取りつけてあるノズル１０及
び刷毛あるいはロ−ラ−が金属外筒１の内面に接触す
る。電磁石１５に保持治具１２が吸いつけられた時、検
出器１６が作動する。その結果、コントロ−ラ−８によ
りスラリ−タンク９からチュ−ブ１７を通りノズル１０
から金属外筒１内面にスラリ−が射出される。射出され
たスラリ−は刷毛あるいはロ−ラ−１１により均一な厚
さにされかつ幅方向に広げられる。ノズル１０からのス
ラリ−の射出量はコントロ−ラ−８の射出時間及び射出
圧力によってコントロ−ルされる。Next, a brazing material coating device for the inner surface of the metal outer cylinder will be described. The brazing material application device is a controller for supplying the brazing material.
La 8, a slurry tank 9 for holding a slurry which is a mixture of a powdery brazing material and a binder, a nozzle 10 for injecting the slurry into the inner surface of the metal outer cylinder, and a uniform thickness and width of the injected slurry. Brush or roller 11 to spread in any direction,
A holding jig 12 for attaching the nozzle 10 and the brush or the roller 11, a movable base 13 for moving the holding jig 12 to which the nozzle 10, the brush or the roller 11 are attached, and a moving length are adjusted. It also comprises a sensor / stopper 14 and an electromagnet 15 for vertically moving the holding jig 12. After the metal outer cylinder is clamped and rotated by the metal outer cylinder rotation support chuck 5, the movable base 13 moves and the holding jig 12 attached to the movable base 13 is inserted into the inner surface of the metal outer cylinder 1. The insert length control is prepared by the stopper-14. Sensor-Stopper-1
When the movable table 13 comes into contact with the magnet 4, a current flows through the electromagnet 15 and the holding jig 12 is attracted to the electromagnet 15. As a result, the nozzle 10 and the brush or roller attached to the tip of the holding jig 12 come into contact with the inner surface of the metal outer cylinder 1. When the holding jig 12 is attracted to the electromagnet 15, the detector 16 operates. As a result, the controller 8 causes the nozzle 10 to pass from the slurry tank 9 through the tube 17.
The slurry is ejected from the inner surface of the metal outer cylinder 1. The ejected slurry is made uniform in thickness and spread in the width direction by a brush or roller 11. The amount of the slurry injected from the nozzle 10 is controlled by the injection time and the injection pressure of the controller 8.
【０００９】金属外筒１の内面へのろう材の塗布が一定
時間行われた後、電磁石１５から保持治具１２が離れ、
さらに可動台１２が元の位置に移動する。可動台１２が
もとの位置に戻ったことをセンサ−１４が検出した時、
再びシリンダ−４が作動し金属外筒が金属外筒回転支持
用チャック５に送り込まれる。この時ろう材が塗布され
た金属外筒は次の金属外筒に押し出され、金属外筒搬出
用ガイド１８によって金属外筒回収箱１９に搬送され
る。以上の動作が自動的に繰り返し行われる。After the brazing material is applied to the inner surface of the metal outer cylinder 1 for a certain period of time, the holding jig 12 is separated from the electromagnet 15,
Further, the movable table 12 moves to the original position. When the sensor-14 detects that the movable table 12 has returned to its original position,
The cylinder-4 operates again and the metal outer cylinder is fed into the metal outer cylinder rotation supporting chuck 5. At this time, the metal outer cylinder to which the brazing material is applied is pushed out to the next metal outer cylinder and is conveyed to the metal outer cylinder recovery box 19 by the metal outer cylinder discharge guide 18. The above operation is automatically repeated.
【００１０】[0010]
【発明の効果】以上詳細に述べた如く、本発明によれば
粉末状のろう材とバインダ−の混合物であるスラリ−を
金属外筒内面に効率良く自動的に塗布することが出来
る。As described above in detail, according to the present invention, the slurry, which is a mixture of the powdery brazing material and the binder, can be efficiently and automatically applied to the inner surface of the metal outer cylinder.
【図１】本発明にかかる塗布装置の概略の正面図FIG. 1 is a schematic front view of a coating apparatus according to the present invention.
１ 金属外筒 ２ 搬入用ガイド ３ 搬入用ガイド ４ 金属外筒搬入用シリンダ− ５ 金属外筒回転支持用チャック ６ 駆動モ−タ− ７ センサ− ８ ろう材供給用コントロ−ラ− ９ スラリ−タンク １０ ノズル １１ 刷毛 １２ 保持治具 １３ 可動台 １４ センサ−兼ストッパ− １５ 電磁石 １６ センサ− １７ チュ−ブ １８ 搬出用ガイド １９ 回収箱 1 Metal Outer Cylinder 2 Carrying In Guide 3 Carrying In Guide 4 Metal Outer Cylinder Carrying In Cylinder-5 Metal Outer Cylinder Rotation Supporting Chuck 6 Drive Motor 7 Sensor-8 Brazing Material Supply Controller 9 Slurry Tank DESCRIPTION OF SYMBOLS 10 Nozzle 11 Brush 12 Holding jig 13 Movable stand 14 Sensor-Stopper-15 Electromagnet 16 Sensor-17 Tube 18 Carry-out guide 19 Collection box
Claims (1)
ハニカムコア体と該金属ハニカムコア体の外周を囲む金
属外筒を接合する為の粉末状のろう材とバインダ−の混
合物であるスラリ−を金属外筒内面の任意の位置に塗布
する装置において、金属外筒搬入装置、金属外筒回転支
持装置、金属外筒内面へのろう材塗布装置及びろう材塗
布後の金属外筒搬出及び回収装置よりなり、前記金属外
筒搬入装置により所定の位置に搬入されると金属外筒回
転支持装置を回転し、ろう材塗布装置を作動させる手段
を具備したことを特徴とする、金属外筒内面へのろう材
塗布装置。1. A mixture of a powdery brazing material and a binder for joining a metal honeycomb core body formed by stacking and winding a flat plate and a corrugated plate and a metal outer cylinder surrounding the outer periphery of the metal honeycomb core body. In a device for applying the slurry to an arbitrary position on the inner surface of the metal outer cylinder, a metal outer cylinder loading device, a metal outer cylinder rotation supporting device, a brazing material applying device for the inner surface of the metal outer cylinder, and a metal outer cylinder unloading after applying the brazing material. And a recovery device, which is provided with means for rotating the metal outer cylinder rotation support device and activating the brazing material application device when the metal outer cylinder carry-in device is carried into a predetermined position by the metal outer cylinder carry-in device. A brazing material coating device for the inner surface of the cylinder.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5332806A JP2787410B2 (en) | 1993-12-27 | 1993-12-27 | Apparatus for applying brazing material to the inner surface of metal outer cylinder |
| DE69416650T DE69416650T2 (en) | 1993-06-07 | 1994-06-07 | EXHAUST GAS PURIFICATION CARRIER AND METHOD FOR PRODUCING THE SAME |
| KR1019950700411A KR0168990B1 (en) | 1993-06-07 | 1994-06-07 | Exhaust gas cleaning metal carrier and method of maufacturing the same |
| US08/381,822 US5593646A (en) | 1993-06-07 | 1994-06-07 | Method for producing an exhaust gas cleaning metal carrier |
| EP97118172A EP0820830B1 (en) | 1993-06-07 | 1994-06-07 | Exhaust gas cleaning metal carrier and method of manufacturing the same |
| DE69432719T DE69432719T2 (en) | 1993-06-07 | 1994-06-07 | Metallic exhaust gas purification carrier and method for its production |
| EP94917167A EP0658390B1 (en) | 1993-06-07 | 1994-06-07 | Exhaust gas cleaning metal carrier and method of manufacturing the same |
| PCT/JP1994/000919 WO1994029062A1 (en) | 1993-06-07 | 1994-06-07 | Exhaust gas cleaning metal carrier and method of manufacturing the same |
| US08/734,196 US5891248A (en) | 1993-06-07 | 1996-10-21 | Apparatus for producing an exhaust gas cleaning metal carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5332806A JP2787410B2 (en) | 1993-12-27 | 1993-12-27 | Apparatus for applying brazing material to the inner surface of metal outer cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07185799A true JPH07185799A (en) | 1995-07-25 |
| JP2787410B2 JP2787410B2 (en) | 1998-08-20 |
Family
ID=18259014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5332806A Expired - Lifetime JP2787410B2 (en) | 1993-06-07 | 1993-12-27 | Apparatus for applying brazing material to the inner surface of metal outer cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2787410B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7206009B2 (en) | 2004-02-18 | 2007-04-17 | Hideo Taniguchi | Heating head for erasing a printed image on re-writable media |
| CN117754076A (en) * | 2024-02-22 | 2024-03-26 | 临朐县鸿瑞不锈钢有限公司 | Stainless steel welded pipe welding system of processing |
-
1993
- 1993-12-27 JP JP5332806A patent/JP2787410B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7206009B2 (en) | 2004-02-18 | 2007-04-17 | Hideo Taniguchi | Heating head for erasing a printed image on re-writable media |
| CN117754076A (en) * | 2024-02-22 | 2024-03-26 | 临朐县鸿瑞不锈钢有限公司 | Stainless steel welded pipe welding system of processing |
| CN117754076B (en) * | 2024-02-22 | 2024-04-30 | 临朐县鸿瑞不锈钢有限公司 | Stainless steel welded pipe welding system of processing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2787410B2 (en) | 1998-08-20 |
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