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EP1283333B1 - Procédé pour la production d'un pot catalytique - Google Patents
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EP1283333B1 - Procédé pour la production d'un pot catalytique - Google Patents

Procédé pour la production d'un pot catalytique Download PDF

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Publication number
EP1283333B1
EP1283333B1 EP01119345A EP01119345A EP1283333B1 EP 1283333 B1 EP1283333 B1 EP 1283333B1 EP 01119345 A EP01119345 A EP 01119345A EP 01119345 A EP01119345 A EP 01119345A EP 1283333 B1 EP1283333 B1 EP 1283333B1
Authority
EP
European Patent Office
Prior art keywords
pipe
reshaping
anyone
section
during
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 - Lifetime
Application number
EP01119345A
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German (de)
English (en)
Other versions
EP1283333A1 (fr
Inventor
Bernhard Rolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leifeld Metal Spinning GmbH
Original Assignee
Leifeld Metal Spinning GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Leifeld Metal Spinning GmbH filed Critical Leifeld Metal Spinning GmbH
Priority to DE50105836T priority Critical patent/DE50105836D1/de
Priority to EP01119345A priority patent/EP1283333B1/fr
Priority to AT01119345T priority patent/ATE292746T1/de
Publication of EP1283333A1 publication Critical patent/EP1283333A1/fr
Application granted granted Critical
Publication of EP1283333B1 publication Critical patent/EP1283333B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • 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
    • 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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • 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
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • F01N2470/26—Tubes being formed by extrusion, drawing or rolling

Definitions

  • the invention relates to a method for producing a Catalytic converter according to the preamble of claim 1.
  • Catalytic converters of the type mentioned are under used in other vehicles in the purification of exhaust gases.
  • the catalytic converter is usually made of a metal housing formed in which a catalyst insert arranged is.
  • the catalyst used is usually a ceramic body, a so-called monolith used by a Varied flow channels and on its surface coated with a catalytically active substance is. Often, the catalyst insert has a padding wadding on, with the ceramic body wrapped in the housing is used.
  • From DE 197 34 198 A1 is a process for the preparation a catalytic converter known in which from a sheet first deep-drawn the housing of the catalytic converter is, at the same time the first port of the catalytic converter is formed on the housing. Subsequently the catalyst insert is inserted into the housing and the second connection piece is retracted by rolling.
  • JP 2000179334 describes a method and a device for producing a catalytic converter with a Housing with two connecting pieces, as well as one in the housing arranged catalyst insert.
  • the catalyst insert is inserted into a housing forming tube, and the Ends of the pipe are used to make the connecting pieces shaped by chipless forming.
  • the tube is in his Length dimensioned so that a double workpiece are manufactured can, and an intermediate section between the two Ends is formed. Finally, the pipe is in range the reformed intermediate section separated and formed two individual workpieces, which after insertion of the Catalyst insert are molded at its insertion end.
  • DE 197 23 939 A1 discloses a method for the production an exhaust gas catalyst in which as starting material a pipe is used, one of which is an open end first is retracted by non-cutting forming. Subsequently, will in the still open insertion end of the tube of the catalyst insert introduced. After assembly of the catalyst insert becomes the still open introductory to forming the second Connecting piece of the catalytic converter by non-cutting forming moved in.
  • the method known from DE 197 23 939 A1 records already characterized by high productivity.
  • the housing the catalytic converter is made of comparatively thin sheets is made, usually sheet thicknesses of about 1.5 mm.
  • sheet thicknesses usually sheet thicknesses of about 1.5 mm.
  • the housing of catalytic converters often made of hard-to-mold materials, especially made of stainless steels, which also tend to wrinkle.
  • connection piece When forming the second connection piece on the housing there is also the problem that the connection piece usually not formed against an internal mandrel can. Consequently, one is compared with the molding the first connecting piece still larger number of forming steps required, with even lower forming speeds must be carried out to the formation to avoid wrinkles.
  • the tube is in his Length so that from the tube a double workpiece can be made.
  • a first process step becomes an intermediate portion of the pipe between the two Retracted ends, whereby the double workpiece formed becomes.
  • two connecting pieces are formed, whereby the manufacturing time compared with the known methods significantly reduced.
  • the formation of wrinkles avoided when drawing in the intermediate section of the tube, because the pipe material on both sides of the intermediate section the pipe material in the forming area of the intermediate section supports. This will cause the kink stability of the pipe material in the forming area compared to those during forming acting tangential compressive stresses so far increases that wrinkling in the intermediate section during Forming is prevented.
  • the tube can be compared with a the known method much higher forming speed be confiscated in the intermediate section.
  • feeding can the contour of the connecting piece in a single Shaping be shaped, resulting in an additional Shortening of the production time results.
  • the pipe is pulled in the area of the Intermediate section separated, with the two individual workpieces be formed from the double workpiece.
  • the Inserting the catalyst inserts may be before or after Separating the intermediate section will be made every single piece of work at its introductory part to form the second connecting piece retracted.
  • Method is the intermediate section of the tube symmetrical formed between its ends, so that the after separation formed individual workpieces at least show approximately identical dimensions. In this way It is possible to use two tubes simultaneously to produce identical individual workpieces.
  • the pipe immediately after drawing the intermediate section to separate since the insertion of the Catalyst inserts in the individual workpieces is simplified and feeding the importers of the individual workpieces separate processing stations simultaneously can. Furthermore, it is in this process variant of Advantage, when the retraction of the intermediate section and the Separating the double workpiece into the two individual workpieces in a single clamping, so that the pipe not stretched after drawing in the intermediate section and in a subsequent processing device for Disconnect must be re-clamped. This results a particularly high manufacturing accuracy, since the various Processing steps on one and the same machine can be performed.
  • the forming of the tube takes place in a particularly preferred Process variant with the help of at least two forming rollers.
  • the forming rollers results on the one hand, the advantage that with appropriate adjustment the forming rollers a correspondingly large design freedom in the molding in particular of the pipe transitions is given in the connection piece. on the other hand is a particularly gentle by the use of forming rollers Pulling in of the connecting pieces on the pipe is achieved.
  • This variant of the method is in particular the use of three forming rollers advantageous, evenly over the circumference of the pipe are distributed, as through this Arrange the forming forces that lead to a bending of the Pipe could lead during forming of the forming rollers taken each other and thus balanced become.
  • Manufacturing process is used to retract the insertion end at least one forming roll used against an at least partially conical Thorn is formed.
  • the forming roller is the workpiece to be reshaped each between a section of the conical Dorns and the forming roll out.
  • the conical mandrel is synchronized with the feed movement of the forming roller moved axially, so that the edge of the workpiece area to be reshaped supported and temporarily between the mandrel and the forming roller is guided. As a result, wrinkles can be avoided or incurred Wrinkles are rolled smoothly.
  • catalytic converters it may be necessary for catalytic converters be that the connecting pieces offset from the longitudinal axis of the Housing run.
  • the connecting pieces of the housing then become concentric about the axis of rotation formed of the pipe, so that the connecting pieces after retraction of the tube offset to the longitudinal axis of the tube are formed on this.
  • the tube with its longitudinal axis at a predetermined angle inclined to the axis of rotation let go, so that when feeding of the pipe connecting pipe at an angle inclined to the longitudinal axis of the tube extending at this formed are.
  • Methods are used to reshape the pipe at the same time used several forming rollers, wherein the forming rollers radially and optionally simultaneously also axially be delivered.
  • the forming rollers can in their outer contour It should be designed so that by forming formed outer profile of the tube in its shape of the final shape of the catalytic converter corresponds. At the same time by the use of forming rollers extremely gentle and economical manufacturing of catalytic converters possible.
  • an electronically controllable actuator controlled by an electronic control unit is, which is a Zustellweg for the forming roller the rotation angle of the pipe, given geometric data of Pipe and of the exhaust gas catalyst to be formed (nominal data) and a correction factor determined.
  • Fig. 1 is a sectional side view of an exhaust gas catalyst 10, for example, in motor vehicles used for cleaning exhaust gases.
  • the catalytic converter 10 has a housing 12 which is made of a stainless Steel is made.
  • the catalyst insert 14 is formed of a ceramic monolyte 16, in which a Variety of flow channels are formed, through which the Exhaust gas flows, and its surface with a catalytic active substance is coated.
  • a padding mat 18 is laid, which is the ceramic monolith 16 completely encloses and this in the housing 12 in a defined position.
  • the housing portion 20, in the catalyst insert 14 is received goes to everyone its ends to form a transition contour 22 respectively in a connecting piece 24 via.
  • the connecting pieces 24 serve as an inlet or outlet for the catalytic converter 10, wherein the individual exhaust pipes, not shown the exhaust system to the connecting piece 24 in known Be releasably secured manner.
  • Fig. 2 is a first variant of the invention
  • Process for producing the catalytic converter shown in Fig. 1 10 is shown.
  • the tube 30 is dimensioned in its length, that made of the pipe a total of two catalytic converters 10 can be, as will be explained later.
  • the tube 30 is first with its two ends 32 and 34th in the spindles (not shown) of a flow-forming machine used. Subsequently, an intermediate portion 36, the formed symmetrically between the two ends 32 and 34 is retracted by means of a first forming roller 38.
  • the Forming roller 38 is continuously fed radially, while at the same time the tube 30 about an axis of rotation R in Rotation is offset.
  • the outer contour 40 of the forming roller 38 is designed so that through the outer contour 40th the forming roller 38, the transition contours 22 and the connecting pieces 24 two housing 12 are made, the with their connecting pieces 24 merge into each other.
  • a double workpiece 44 is formed, at the same time the ends 32 of two housing 12th each formed in its final shape.
  • wrinkling will occur prevented in the intermediate section 36, since the pipe material in Forming region of the intermediate portion 36 of the pipe material supported on both sides of the intermediate section 36, whereby the kinking stability in the forming area comparatively is high.
  • the double workpiece 44 by means of a cutting roller (not shown) divided into two individual workpieces 46, the following be fed to a separate processing.
  • the inner mandrels 48 may have a larger diameter paragraph 49, where the pipe ends 32, 34 come to rest.
  • the inner mandrels 48 may have a larger diameter paragraph 49, where the pipe ends 32, 34 come to rest.
  • Fig. 4 is a modified process step in Section shown in which when retracting the second end 34 of the tube 30 additionally an internal mandrel 56 is used, which is inserted into the open end 34 of the tube 30 during retraction becomes.
  • the inner mandrel 56 has a cylindrical Support surface 58 and a radially projecting from this Bund 60 on. With the help of the cylindrical support surface 58 the inner contour of the connecting piece 24 is defined formed while the collar 60 an axial flow of the Pipe material limited.
  • Fig. 5 is an alternative embodiment of the Process step for pulling in the second end 34 of the Tube 30 shown in section.
  • this process variant becomes the second end 34 by means of a third forming roller 62 reshaped, in the opposite of the two previously described Variants on the outer peripheral surface of the Pressure roller 62 only a radially encircling forming edge 64th is trained.
  • a conical mandrel 66 is used, which is a cone-shaped Support surface 68 and a subsequent to this cylindrical support surface 70 has.
  • the cylindrical Support surface 70 is on the front side of the conical Dorns 66 provided and goes into the widening cone-shaped Support surface 68 via.
  • the conical Dorn 66 with its cylindrical support surface 70 in the open second end 34 of the tube 30 is inserted.
  • the third forming roller 62 is delivered radially and simultaneously moved axially.
  • the conical mandrel 66 synchronized with the feed motion the Umformrolle 62 axially moved, wherein the fold avoidance the workpiece area to be reshaped at least temporarily between the forming edge 64 of the third forming roller 62 and a surface portion of the tapered support surface 68 of the conical mandrel 66 is guided, as shown in FIG. 5 shows.
  • Tube 30a and 30b with non-rotationally symmetrical cross sections can be used, as shown in Fig. 6 to 8 are.
  • the tube 30a shown in Figs. 6 and 7 has a cross-sectionally O-shaped shape. That in Fig. 8
  • the tube 30b shown has an oval shape, such as it is customary in particular in catalytic converters 10.
  • FIGS. 9 and 10 show a process variant of the invention Shown method.
  • this process variant is the tube 30 with its longitudinal axis L to the amount X offset to the rotation axis R in the flow-forming machine (not shown) used.
  • the intermediate portion 36 on the pipe 30 by a total formed three forming rollers 38, while the tube 30th rotates about the rotation axis R.
  • the forming rollers 38 are thereby delivered radially with different amount, such as Fig. 10 shows, whereby the retracted intermediate portion 36 off-axis with respect to the longitudinal axis L of the tube 30 at this is formed, as Fig. 9 shows.
  • FIGS. 11 and 12 show an exhaust gas catalytic converter 10b. the one with the method described above from a cross-section oval tube 30b has been made. In this Catalytic converter 10b became the single workpiece 46 for molding the second port 24 but offset in parallel used in the flow-forming machine, so the two finished connecting piece 24 offset from each other and offset from the longitudinal axis of the tube 30b formed on this are.
  • FIG. 13 shows a third variant of the method in which the Tube 30 with its longitudinal axis L under a predetermined Angle ⁇ inclined to the rotation axis R in the spindle 72nd the flow-forming machine used and the intermediate section 36 has been formed. Subsequently, the thus formed Double workpiece 44 separated in the manner described above, into the resulting individual workpieces 46 catalyst inserts 14 used and the still open ends 34 of Individual workpieces 46 retracted. Again, this will be the case to be formed individual workpiece 46 with its longitudinal axis L below a predetermined angle ⁇ inclined to the axis of rotation R of the spindle 72 inserted into this.
  • the second end 34 is then reshaped with the aid of a forming roller 74, that the resulting when retracting the second end 34 Connecting piece 24 inclined at the angle ⁇ to the longitudinal axis L of the tube 30 and the individual workpiece 46th is formed at this running.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)

Claims (17)

  1. Procédé de fabrication d'un pot d'échappement catalytique (10), qui comprend une enveloppe (12) avec deux embouts de raccordement (24) ainsi qu'un insert (14) de pot catalytique placé dans l'enveloppe (12), qui
    est introduit dans un tube (30) formant l'enveloppe (12), dont les extrémités (32, 34) sont rétractées par déformation sans enlèvement de copeau afin de former les embouts de raccordement (24),
       dans lequel :
    le tube (30) est d'une longueur telle qu'une pièce double (44) peut être fabriquée,
    le tube (30) est rétracté au niveau d'une section intermédiaire (36) entre ses deux extrémités (32, 34),
    caractérisé en ce que
    le retrait du tube (30) s'effectue par application radiale d'au moins un galet de formage (38), qui présente un contour extérieur qui correspond au profil extérieur du tube (30) obtenu par déformation dans la section intermédiaire conformément à la forme finale du pot d'échappement catalytique (10),
    le tube (30) est tranché au niveau de la section intermédiaire rétractée (36), deux pièces distinctes (46) étant ainsi formées, et
    chaque pièce distincte (46) étant rétractée à son extrémité d'introduction (34) après l'introduction de l'insert (14) de pot catalytique.
  2. Procédé selon la revendication 1,
    caractérisé en ce que la section intermédiaire (36) du tube (30) est réalisée symétrique entre ses extrémités (32, 34).
  3. Procédé selon la revendication 1 ou 2, caractérisé
    en ce que le tube (30) est tranché immédiatement après le retrait de la section intermédiaire (36), en particulier par un galet de découpe, et
    en ce que le retrait de la section intermédiaire (36) et le tranchage s'effectuent en particulier dans une monture.
  4. Procédé selon la revendication 1, 2 ou 3,
    caractérisé en ce que le formage du tube (30) est effectué par au moins deux galets de formage (38, 50, 62).
  5. Procédé selon l'une quelconque des revendications 1 à 4,
    caractérisé
    en ce que la section intermédiaire (36) est soutenue depuis le côté intérieur du tube (30) lors du retrait, et
    en ce que pour soutenir la section intermédiaire (36), au moins un mandrin intérieur (48) est introduit dans le tube (30).
  6. Procédé selon l'une quelconque des revendications 1 à 5,
    caractérisé
    en ce qu 'au moins le bord de l'extrémité d'introduction (34) du tube (30) est soutenu lors du retrait depuis le côté intérieur du tube (30), et
    en ce que l'on utilise pour le soutien un mandrin (56, 66) qui est introduit dans l'extrémité d'introduction (34).
  7. Procédé selon la revendication 6,
    caractérisé en ce que, lors du retrait, l'extrémité d'introduction (34) est pressée par au moins un galet de formage (62) contre le mandrin (66) conformé au moins partiellement de manière conique.
  8. Procédé selon la revendication 7,
    caractérisé en ce que le mandrin conique (66) est déplacé axialement d'une manière synchronisée au mouvement d'application du galet de formage (62), de telle sorte que la zone de la pièce devant être façonnée est soutenue et guidée au moins par moment entre le mandrin conique (66) et le galet de formage (52).
  9. Procédé selon l'une quelconque des revendications 5 à 8,
    caractérisé en ce que le mandrin (48, 56, 66) présente une section cylindrique (42, 54, 70) qui, lors du retrait du tube (30), conduit à la formation d'une section de tube cylindrique (24).
  10. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que, lors du retrait du tube (30), les sections de tube rétractées sont façonnées pour donner les embouts de raccordement (24) terminés.
  11. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que l'on utilise un tube (30) à section transversale non symétrique en rotation, en particulier à section ovale.
  12. Procédé selon l'une quelconque des revendications précédentes, caractérisé
    en ce que le tube (30) tourne autour d'un axe de rotation (R) pendant le formage,
    en ce que le tube (30) s'étend avec son axe longitudinal (L) parallèle et décalé par rapport à l'axe de rotation (R), et
    en ce que les embouts de raccordement (24) se formant lors du retrait du tube (30) autour de l'axe de rotation (R) sont décalés par rapport à l'axe longitudinal (L) du tube (30).
  13. Procédé selon l'une quelconque des revendications 1 à 11,
    caractérisé
    en ce que le tube (30) tourne autour d'un axe de rotation (R) pendant le formage,
    en ce que le tube (30) s'étend avec son axe longitudinal (L) incliné d'un angle (α) prédéterminé par rapport à l'axe de rotation (R), et
    en ce que les embouts de raccordement (24) se formant lors du retrait du tube (30) autour de l'axe de rotation (R) sont inclinés de l'angle (α) par rapport à l'axe longitudinal (L) du tube (30).
  14. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que les embouts de raccordement rétractés (24) s'étendent avec leurs axes de symétrie mutuellement décalés.
  15. Procédé selon l'une quelconque des revendications précédentes, caractérisé
    en ce que l'on emploie simultanément plusieurs galets de formage (38, 50, 62) pour façonner le tube (30).
  16. Procédé selon l'une quelconque des revendications précédentes, caractérisé
    en ce que l'on utilise au moins un galet de formage (38, 50, 62) pour façonner le tube (30),
    en ce que pour former un écart défini par rapport à la symétrie de rotation, le galet de formage (38, 50, 62) est déplacé radialement entre des positions d'approche maximale et minimale pendant un même tour du tube (30), et
    en ce que l'approche radiale du galet de formage (38, 50, 62) dépend de l'angle de rotation du tube (30) pendant un même tour.
  17. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que le tube (30) est chauffé avant le formage à une température supérieure à la température de recristallisation du matériau du tube.
EP01119345A 2001-08-10 2001-08-10 Procédé pour la production d'un pot catalytique Expired - Lifetime EP1283333B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50105836T DE50105836D1 (de) 2001-08-10 2001-08-10 Verfahren zur Herstellung eines Abgaskatalysators
EP01119345A EP1283333B1 (fr) 2001-08-10 2001-08-10 Procédé pour la production d'un pot catalytique
AT01119345T ATE292746T1 (de) 2001-08-10 2001-08-10 Verfahren zur herstellung eines abgaskatalysators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01119345A EP1283333B1 (fr) 2001-08-10 2001-08-10 Procédé pour la production d'un pot catalytique

Publications (2)

Publication Number Publication Date
EP1283333A1 EP1283333A1 (fr) 2003-02-12
EP1283333B1 true EP1283333B1 (fr) 2005-04-06

Family

ID=8178295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01119345A Expired - Lifetime EP1283333B1 (fr) 2001-08-10 2001-08-10 Procédé pour la production d'un pot catalytique

Country Status (3)

Country Link
EP (1) EP1283333B1 (fr)
AT (1) ATE292746T1 (fr)
DE (1) DE50105836D1 (fr)

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DE102006033568B4 (de) 2006-07-20 2010-08-05 Modine Manufacturing Co., Racine Herstellungsverfahren für Rohre und Walzenstraße zur Durchführung dieses Verfahrens
DE102006056351A1 (de) * 2006-11-29 2008-06-05 Arvinmeritor Emissions Technologies Gmbh Abgasführende Vorrichtung, Werkzeug zur Querschnittsverringerung sowie Verfahren zur Herstellung einer abgasführenden Vorrichtung
DE102009021269A1 (de) * 2009-05-14 2010-11-18 Volkswagen Ag Verfahren zum Herstellen einer Abgasreinigungsvorrichtung
EP2314395B2 (fr) * 2009-10-21 2016-11-02 Repkon Machine and Tool Industry and Trade Inc. Dispositif et procédé destinés au formage des pièces à usiner
EP2716377B1 (fr) 2012-10-05 2016-03-02 Zaklad Produkcji Sprzetu Oswietleniowego "ROSA"-Stanislaw ROSA Méthode de fabrication d'un élément tubulaire conique

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US6018972A (en) * 1997-11-11 2000-02-01 Sango Co., Ltd Method and apparatus for forming an end portion of a cylindrical member
JP3601577B2 (ja) * 1998-12-15 2004-12-15 トヨタ自動車株式会社 触媒コンバータ容器の製造方法およびその製造装置

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