JPH02182333A - Metallic structural body and its manufacture - Google Patents
Metallic structural body and its manufactureInfo
- Publication number
- JPH02182333A JPH02182333A JP63333470A JP33347088A JPH02182333A JP H02182333 A JPH02182333 A JP H02182333A JP 63333470 A JP63333470 A JP 63333470A JP 33347088 A JP33347088 A JP 33347088A JP H02182333 A JPH02182333 A JP H02182333A
- Authority
- JP
- Japan
- Prior art keywords
- honeycomb structure
- flat plate
- casing
- corrugated sheet
- structural body
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 claims abstract description 7
- 239000011261 inert gas Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 238000005304 joining Methods 0.000 abstract description 3
- 241000264877 Hippospongia communis Species 0.000 description 40
- 239000000463 material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 241000190021 Zelkova Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
- F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は金属製の薄板により形成された金属製ｔＭ構造
体よびその製造方法に係り、詳しくは金属製薄板で断面
が楕円形若しくはトラック形状に形成する金属製構造体
およびその製造方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a metal tM structure formed of a thin metal plate and a method for manufacturing the same, and more specifically, the present invention relates to a metal tM structure formed of a thin metal plate and a method for manufacturing the same. The present invention relates to a metal structure formed in a metal structure and a method for manufacturing the same.
［従来の技術］
六角柱その他多くのセル形状のものが集合した蜂の巣状
のｔｍ構造体ハニカム構造体とも言われ、軽量で剛性が
高いという特性がある。さらにこの構造体はそのまま担
体として用いた場合種々の特性が得られるものであって
、この構造体を流体中に入れた場合の整流効果が特に優
れているという特性があり、また小さなセルで仕切られ
ているので壁面績が体積より非常に大きく、空気や水の
接触面積が大きく取れることから、触媒用構造体として
用いられる。[Prior Art] A honeycomb-like TM structure in which hexagonal columns and other cell shapes are assembled is also called a honeycomb structure, and has the characteristics of being lightweight and having high rigidity. Furthermore, this structure has various properties when used as a carrier as it is, and has a particularly excellent rectifying effect when placed in a fluid, and can be partitioned with small cells. Since the wall surface area is much larger than the volume, and the contact area with air and water is large, it is used as a structure for catalysts.
このハニカムｍ遣の金属製構造体の製法は展張式とコル
ゲート式の２方法が採用されている。展張法は材料に接
着剤を線状に塗布したのち、適当な長さに切断して何枚
も積み重ね、圧力と熱を加え接着硬化させ、適当な厚さ
にスライスして展張し、所要の形状のハニカムとするも
のである。コルゲート法は、通常展張不可能な高密度の
ハニカムの製造に適用される。まず材料を波形１０−ル
（コルゲートロール）で折り曲げ、波の頂上に接着剤を
塗布し、この波板を多数積み重ねたのち、積み重ね方向
に荷重をかけた状態で加熱接着する。さらに、コルゲー
ト法にはコルゲートロールで折り曲げられたコルゲート
シートに同じ幅の平板を重ね合わせ、重ね合わせたまま
でロール状に巻き込んで、所定の大きさに巻いて、つい
でコルゲートシートの波形の山部および谷部を平板にろ
う付は等で接合してハニカム構造体を製造する方法があ
る。There are two methods used to manufacture this honeycomb metal structure: a stretched method and a corrugated method. The stretching method involves applying adhesive to the material in a line, cutting it to an appropriate length, stacking several sheets, applying pressure and heat to harden the adhesive, slicing it to an appropriate thickness and stretching it. It has a honeycomb shape. The corrugating process is usually applied to produce dense honeycombs that cannot be expanded. First, the material is bent using a corrugated 10-rule (corrugated roll), adhesive is applied to the top of the corrugation, a large number of these corrugated sheets are stacked, and then they are heat-bonded while applying a load in the stacking direction. Furthermore, in the corrugation method, flat plates of the same width are stacked on top of a corrugated sheet that has been folded with a corrugated roll, rolled up into a roll shape while stacked, rolled to a predetermined size, and then the corrugated peaks of the corrugated sheet There is a method of manufacturing a honeycomb structure by joining the valleys to a flat plate by brazing or the like.
［発明が解決しようとする課Ｍ］
従来のハニカム構造体の製造方法の内、コルゲートシー
トと平板とを重わきわせてロール状に巻き込みコルゲー
トシートと平板を接合する方法では、コルゲートシート
と平板とを同心円状に巻き込むものであり、出来上がっ
たハニカム構造体は断面が円形のものであった。[Problem M to be solved by the invention] Among the conventional manufacturing methods for honeycomb structures, in the method of rolling a corrugated sheet and a flat plate side by side into a roll shape and joining the corrugated sheet and flat plate, it is difficult to connect the corrugated sheet and the flat plate. The resulting honeycomb structure had a circular cross section.
しかし、これらハニカム構造体が自動車用の触媒コンバ
ータとして使用される場合は、配置スペースの関１系か
ら、断面が楕円形状またはトラック形状（両端の半円形
を矩形でつないだ形）のものが必要とされる。然るに、
従来のコルゲートシートと平板とを重ね合わせてロール
状に巻き込みコルゲートシートと平板を接合する方法で
は断面が円形で円柱状のものしか出来なかった。However, when these honeycomb structures are used as catalytic converters for automobiles, they must have an elliptical or track-shaped cross section (a shape in which semicircles at both ends are connected by a rectangle) due to the installation space. It is said that However,
The conventional method of stacking a corrugated sheet and a flat plate and rolling them into a roll to join the corrugated sheet and flat plate could only produce a cylindrical piece with a circular cross section.
本発明は従来のコルゲートシートと平板とを重ね合わせ
てロール状に巻き込んで金属製構造体を製造する方法の
前記のごとき問題点を解決すべくなされたもので、断面
が楕円形またはトラック形状のハニカム構造体から構成
される金属製構造体の製造方法を提供することを目的と
する。The present invention was made in order to solve the above-mentioned problems of the conventional method of manufacturing metal structures by overlapping corrugated sheets and flat plates and rolling them into a roll shape. It is an object of the present invention to provide a method for manufacturing a metal structure composed of a honeycomb structure.
［ｙＡ題を解決するための手段］
本発明の金属性構造体は、コルゲートシートと平板とを
重ね合わせロール状に巻いて断面が楕円形またはトラッ
ク形状になるように形成したハニカム構造体と、該ハニ
カム構造体を収納するケーシングとからなることを特徴
とする。[Means for solving the yA problem] The metallic structure of the present invention includes a honeycomb structure formed by stacking a corrugated sheet and a flat plate and rolling them into a roll shape so that the cross section has an oval or track shape; and a casing that houses the honeycomb structure.
また、本発明の金属製構造体の製造方法は、所望の距離
を隔てて平行に配！された２本の巻付欅にコルゲートシ
ートと平板を重ねて巻き付けてハニカム構造体を形成す
る工程と、前記コルゲートシートまたは平板の終端を前
記ハニカム構造木に接着するとともに前記巻付棒を引き
抜く工程と、前記ハニカム構造体をケーシングの中に収
納する工程と、前記ケーシングの中に収納した前記ハニ
カム構造体を不活性ガス中で加熱保持し前記コルゲート
シートと前記平板とを拡散接合する工程とからなること
を要旨とする。Further, in the method for manufacturing a metal structure of the present invention, metal structures are arranged in parallel with a desired distance apart! a step of wrapping a corrugated sheet and a flat plate over the two wrapped zelkovas to form a honeycomb structure, and a step of gluing the end of the corrugated sheet or flat plate to the honeycomb structure tree and pulling out the wrapping rod. a step of storing the honeycomb structure in a casing; and a step of heating and holding the honeycomb structure housed in the casing in an inert gas to diffusion bond the corrugate sheet and the flat plate. The gist is to become.
巻付棒は金属製である必要はなく、コルゲートシートお
よび平板を巻き付けるのに充分な強度と大きさがあれば
良い、コルゲートシートまたは平板に用いる薄板は、表
面清浄性、平滑性に優れた冷間圧延もしくは急冷凝固に
より形成されたものが好ましい、金属製構造体を構成す
る材料は、鉄系、Ｎｉ系あるいはＣｏ系の材料であれば
良く、鉄系であれば例えばオーステナイト系ステンレス
鋼あるいはフェライト系ステンレス鋼が使用される。The wrapping rod does not need to be made of metal, as long as it has sufficient strength and size to wrap the corrugated sheet or flat plate. The material constituting the metal structure, which is preferably formed by rolling or rapid solidification, may be an iron-based, Ni-based, or Co-based material, and if it is iron-based, for example, austenitic stainless steel or ferrite. stainless steel is used.
板厚は４０μ鴎位のものが良いが、これより厚いもので
も構わない。The thickness of the plate is preferably about 40 μm, but it may be thicker than this.
本発明において、接合温度は８５０〜１４００°Ｃであ
る。接合温度が８５０℃未満であるときは原子の拡散速
度およびクリープ変形が充分でなく、満足な接合部が得
られないからであり、接合温度が１４００℃を越えると
、金属製構造体の形状が変形するからである。加熱は不
活性ガス雰囲気中で行うが、不活性ガスとしてはＡｒガ
ス、もしくはＮ、Ｈガスが用いられる。In the present invention, the bonding temperature is 850 to 1400°C. If the bonding temperature is less than 850℃, the diffusion rate of atoms and creep deformation will not be sufficient, and a satisfactory bond will not be obtained.If the bonding temperature exceeds 1400℃, the shape of the metal structure will change. This is because it deforms. Heating is performed in an inert gas atmosphere, and Ar gas, N, or H gas is used as the inert gas.
コルゲートシートおよび平板の巻き始めは、ハニカム構
造体が形成し易いように、コルゲートシートおよび平板
の始端を抵抗溶接すると良い、コルゲートシートまたは
平板の終端をハニカム構造体に接着する方法は、抵抗溶
接その他の方法を用いることができる。At the beginning of winding of the corrugated sheet and flat plate, it is recommended to resistance weld the starting ends of the corrugated sheet and flat plate so that the honeycomb structure can be easily formed.The end of the corrugated sheet or flat plate can be bonded to the honeycomb structure by resistance welding or other methods. The following method can be used.
ハニカム構造体をケーシングに収納する際に、ハニカム
構造体はケーシングの形状に合わせて多少変形すること
も可能である。そのため、ハニカム構造体をケーシング
に収納する際には型が用いられることもある。When the honeycomb structure is housed in a casing, the honeycomb structure can be slightly deformed to match the shape of the casing. Therefore, a mold is sometimes used when housing the honeycomb structure in a casing.
［作用］
本発明の金属性構造体は、楕円形またはトラック形状に
なるようにハニカム構造体を構成したので、触媒コンバ
ータとして偏平なスペースに取り付けることができる。[Function] Since the metallic structure of the present invention has a honeycomb structure formed in an oval or track shape, it can be installed in a flat space as a catalytic converter.
また、本発明方法では所望の距離を隔てて平行に配置さ
れた２本の巻付棒にコルゲートシートと平板を重ねて巻
き付けてハニカム構造体を形成する工程により、断面形
状が楕円形またはトラック形のハニカム構造体が形成さ
れる０次にコルゲートシートまたは平板の終端をハニカ
ム構造体に接着するとともに巻付棒を引き抜く工程によ
り、ハニカム構造体が独立して分離される。In addition, in the method of the present invention, the cross-sectional shape is oval or track-shaped by the step of forming a honeycomb structure by overlapping and winding the corrugated sheet and the flat plate around two winding rods arranged in parallel with a desired distance apart. The honeycomb structure is independently separated by a step of gluing the terminal end of the zero-order corrugated sheet or flat plate on which the honeycomb structure is formed to the honeycomb structure and pulling out the winding rod.
続いてハニカム構造体をケーシングの中に収納する工程
により、ハニカム構造体はケーリンの中に収納固定され
る。最後のケーシングの中に収納したハニカム構造体を
不活性ガス中で加熱保持しコルゲー！・シートと平板と
を拡散接合する工程により金属製構造体が完成する。Subsequently, the honeycomb structure is housed and fixed in the casing by a step of housing the honeycomb structure in the casing. The honeycomb structure housed in the last casing is heated and held in an inert gas and corrugated! - A metal structure is completed by the process of diffusion bonding the sheet and flat plate.
［実施例］
本発明の実施例を図面に従って説明する。第１図は巻付
棒にコルゲートシートおよび平板を巻き付は始めた状態
の側面図である。第１図において、コルゲートシート１
０はＦ ｅ −Ｃｒ −Ａ Ｉ光電熱材（２０Ｃｒ−６
ＡＩ）を５０μ輪の厚さの箔に加工し、コルゲートロー
ルを通してコルゲートシートとしたものである。一方、
平板１２は同じ電熱材を箔に加工したままのものである
０巻付棒１４．１４を所望の間隔を隔てて平行に配置し
、これにコルゲートシート１０に平板１２を重ね合わせ
て巻き付けた。コルゲートシート１０と平板１２を巻き
付けることにより、断面形状がトラック形のハニカム構
造体１６が形成された。[Example] An example of the present invention will be described according to the drawings. FIG. 1 is a side view of a state in which the corrugate sheet and flat plate have started to be wound around the winding rod. In Figure 1, corrugated sheet 1
0 is Fe-Cr-AI photoelectric heating material (20Cr-6
AI) was processed into a foil with a thickness of 50 μm and passed through a corrugated roll to form a corrugated sheet. on the other hand,
For the flat plate 12, zero-wound rods 14 and 14 made of the same electric heating material processed into foil were arranged in parallel at a desired interval, and the flat plate 12 was overlapped and wound around the corrugated sheet 10. By winding the corrugated sheet 10 and the flat plate 12, a honeycomb structure 16 having a track-shaped cross section was formed.
次に、第２図に示すように、コルゲートシート１０と平
板１２とを巻付棒１４．１４に巻き付けることにより所
望の大きさのハニカム構造体１６が形成されたので、平
板１２の終端１２ａをハニカム構造木１６の表面に抵抗
溶接で接着するとともに、巻付棒１４．１４を引き抜い
た。Next, as shown in FIG. 2, a honeycomb structure 16 of a desired size is formed by wrapping the corrugated sheet 10 and the flat plate 12 around the winding rod 14.14. While adhering to the surface of the honeycomb structure tree 16 by resistance welding, the wrapping rods 14 and 14 were pulled out.
ケーシング１８は第３図に示したように、断面がトラッ
ク形をしており、中心軸を通る平面で２分割し切断面に
フランジ２０を取り付けたものである。ハニカム構造体
１６をケーシング１８．１８で上下からはさんでケーシ
ング１８．１８の中に挿入した。挿入に際しては型２２
．２２で上下のケーシング１８．１８を圧縮してフラン
ジ２０．２０を密着させた後、抵抗溶接した。As shown in FIG. 3, the casing 18 has a track-shaped cross section, and is divided into two along a plane passing through the central axis, and a flange 20 is attached to the cut surface. The honeycomb structure 16 was sandwiched between the casings 18.18 from above and below and inserted into the casing 18.18. When inserting, type 22
．． After compressing the upper and lower casings 18, 18 with 22 and bringing the flanges 20, 20 into close contact, resistance welding was performed.
ケーシング１８の収納されたハニカムｉｌｌ造体１６を
アルゴンガス雰囲気に保った加熱炉に入れ、１１００℃
に加熱して２時間保持し、コルゲートシート１０と平板
１２を拡散接合した。これによりコルゲートシート１０
と平板１２とは完全に接合され、断面形状がトラック形
の金属製構造体が完成した。The honeycomb ill structure 16 containing the casing 18 was placed in a heating furnace maintained in an argon gas atmosphere and heated to 1100°C.
The corrugated sheet 10 and the flat plate 12 were diffusion bonded by heating and holding for 2 hours. As a result, corrugate sheet 10
and the flat plate 12 were completely joined, and a metal structure having a track-shaped cross section was completed.
なお、本実施例ではトラック形の金属製構造体を示した
が、コルゲートシートと平板の巻き付は方およびケーシ
ングの形状によっては、同様の方法により、断面形状が
楕円形の金属製構造体を作成することも可能である。In this example, a track-shaped metal structure is shown, but depending on the way the corrugated sheet and flat plate are wrapped and the shape of the casing, a metal structure with an oval cross-section can be formed using the same method. It is also possible to create one.
［発明の効果］
本発明の金属製構造体は楕円形またはトラック形の断面
を有するハニカム構造体からなるものであって、偏平な
スペースに収納する触媒コンバータとして有用なもので
ある。また、本発明の金属！Ｉ楕遺体の製造方法は以上
説明したように、所望の距離を隔てて平行に配置された
２本の巻付棒にコルゲートシートと平板を重ねて巻き付
けて断面が楕円形状またはトラック形状になるようにハ
ニカム構造体を形成し、ケーシングに収納して拡散接合
するものであって、断面が楕円形状またはトラック形状
のハニカム構造体からなる金属製構造体を作成すること
ができ、楕円形状の触媒コンバータとして有用なもので
ある。[Effects of the Invention] The metal structure of the present invention is a honeycomb structure having an elliptical or track-shaped cross section, and is useful as a catalytic converter housed in a flat space. Also, the metal of the present invention! As explained above, the method for manufacturing an elliptical corpse is to wrap a corrugate sheet and a flat plate over two wrapping rods arranged in parallel with a desired distance apart so that the cross section becomes an ellipse or a track. A honeycomb structure is formed in the casing, and the honeycomb structure is placed in a casing and bonded by diffusion bonding.It is possible to create a metal structure consisting of a honeycomb structure with an elliptical or track-shaped cross section. It is useful as a.
第１図はコルゲートシートと平板を巻付棒に巻き始めた
状態の側面図、第２図はコルゲートシートと平板によっ
て形成されたハニカム構造体の側面図、第３図はハニカ
ム構造体をケーシングに収納した状態の断面図である。
１０・・・コルゲートシート、１２・・・平板、１４・
・・巻付環、１６・・・ハニカム構造体、１８・・・ケ
ーシング
特
許
出
願
人
愛知製鋼株式会社Figure 1 is a side view of the corrugated sheet and flat plate being wound around a winding rod, Figure 2 is a side view of a honeycomb structure formed by the corrugated sheet and flat plate, and Figure 3 is a side view of the honeycomb structure formed by the corrugated sheet and flat plate. It is a sectional view of the stored state. 10... Corrugated sheet, 12... Flat plate, 14.
... Wrapping ring, 16 ... Honeycomb structure, 18 ... Casing Patent applicant Aichi Steel Co., Ltd.
Claims (2)
に巻いて断面が楕円形またはトラック形状になるように
形成したハニカム構造体と、該ハニカム構造体を収納す
るケーシングとからなることを特徴とする金属製構造体
。(1) It is characterized by consisting of a honeycomb structure formed by stacking a corrugated sheet and a flat plate and rolling them into a roll so that the cross section is oval or track-shaped, and a casing that houses the honeycomb structure. Metal structure.
棒にコルゲートシートと平板を重ねて巻き付けてハニカ
ム構造体を形成する工程と、前記コルゲートシートまた
は平板の終端を前記ハニカム構造体に接着するとともに
前記巻付棒を引き抜く工程と、前記ハニカム構造体をケ
ーシングの中に収納する工程と、前記ケーシングの中に
収納した前記ハニカム構造体を不活性ガス中で加熱保持
し前記コルゲートシートと前記平板とを拡散接合する工
程とからなることを特徴とする金属製構造体の製造方法
。(2) forming a honeycomb structure by overlapping and winding a corrugated sheet and a flat plate around two winding rods arranged in parallel with a desired distance apart; a step of adhering the honeycomb structure to the corrugated body and pulling out the winding rod, a step of storing the honeycomb structure in a casing, and heating and holding the honeycomb structure housed in the casing in an inert gas to remove the corrugate. A method for manufacturing a metal structure, comprising the step of diffusion bonding a sheet and the flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63333470A JPH02182333A (en) | 1988-12-30 | 1988-12-30 | Metallic structural body and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63333470A JPH02182333A (en) | 1988-12-30 | 1988-12-30 | Metallic structural body and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02182333A true JPH02182333A (en) | 1990-07-17 |
Family
ID=18266435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63333470A Pending JPH02182333A (en) | 1988-12-30 | 1988-12-30 | Metallic structural body and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02182333A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06287002A (en) * | 1993-03-31 | 1994-10-11 | Chubu Electric Power Co Inc | Device for reforming fuel |
| CN108788629A (en) * | 2018-04-28 | 2018-11-13 | 无锡市盛和科技有限公司 | A kind of racetrack metallic carrier core production technology |
-
1988
- 1988-12-30 JP JP63333470A patent/JPH02182333A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06287002A (en) * | 1993-03-31 | 1994-10-11 | Chubu Electric Power Co Inc | Device for reforming fuel |
| CN108788629A (en) * | 2018-04-28 | 2018-11-13 | 无锡市盛和科技有限公司 | A kind of racetrack metallic carrier core production technology |
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