EP0791132B1 - Verfahren und vorrichtung zur herstellung eines wabenkörpers, insbesondere katalysator-trägerkörpers, mit gehäuse - Google Patents

Verfahren und vorrichtung zur herstellung eines wabenkörpers, insbesondere katalysator-trägerkörpers, mit gehäuse Download PDF

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Publication number
EP0791132B1
EP0791132B1 EP95936472A EP95936472A EP0791132B1 EP 0791132 B1 EP0791132 B1 EP 0791132B1 EP 95936472 A EP95936472 A EP 95936472A EP 95936472 A EP95936472 A EP 95936472A EP 0791132 B1 EP0791132 B1 EP 0791132B1
Authority
EP
European Patent Office
Prior art keywords
segments
honeycomb body
tubular casing
calibration
closing element
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
EP95936472A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0791132A1 (de
Inventor
Gottfried W. Haesemann
Lutz Guthke
Ludwig Wieres
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.)
Vitesco Technologies Lohmar Verwaltungs GmbH
Original Assignee
Emitec Gesellschaft fuer Emissionstechnologie mbH
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 Emitec Gesellschaft fuer Emissionstechnologie mbH filed Critical Emitec Gesellschaft fuer Emissionstechnologie mbH
Publication of EP0791132A1 publication Critical patent/EP0791132A1/de
Application granted granted Critical
Publication of EP0791132B1 publication Critical patent/EP0791132B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/02—Fitting monolithic blocks into the housing

Definitions

  • the invention relates to a method and an apparatus for Production of a honeycomb body, in particular for cleaning exhaust gases of internal combustion engines, with one in a casing tube or Housing arranged catalyst carrier body, which a variety of an exhaust gas can flow through.
  • Devices for exhaust gas purification which have a metallic Have catalyst support body.
  • the metallic catalyst carrier body is achieved by winding or engulfing sheet metal layers produced, wherein at least a part of the sheet metal layers is structured.
  • Such catalyst carrier bodies are, for example, in EP 0 245 738 described.
  • the catalyst carrier body are in a jacket tube or housing arranged.
  • the individual sheet layers are one below the other and with the Jacket tube z. B. connected by soldering, sintering or welding.
  • the device is integrated in an exhaust system. Since the two Ends of the device each connected to a pipe of the exhaust system the device will be on the exhaust gas inlet side with a diffuser and on the exhaust side with a reducer connected.
  • the task of the diffuser is the flow cross-section for the exhaust gas from the cross section of the pipe to the cross section of the Device to expand and the reducer the flow cross section on the exit side of the device on the cross section of the subsequent pipe to reduce.
  • the connection of the diffuser and the reducer with the device is made by welding. For this it is necessary that the dimensions of the pipe on the gas inlet and the gas outlet side as well as the contour of the casing tube inside certain tolerance limits.
  • the jacket tube is usually about 5 to 10 mm on both ends of the catalyst carrier body.
  • US 5,096,111 discloses a device for producing a Honeycomb body with a casing tube known, the several radially displaceable Includes segments through which the tubular casing of the honeycomb body is deformable.
  • the individual segments are at one end connected to a carrier connected to a piston rod of a cylinder-piston unit connected is.
  • the carrier with the segments is axially in a cylindrical body and slidable out of it.
  • the cylinder-piston unit is connected to the cylindrical body.
  • In the entry area of the cylindrical body is a conical one Section formed, which is from the entry side in the axial Direction tapered.
  • a large number of segments encompass the deformation of the casing tube the casing tube of the honeycomb body. Then the honeycomb body by means of the cylinder-piston unit in the cylindrical body drawn in. When pulling in the honeycomb body, this is in the conical section gradually deformed. After the deformation the honeycomb body with the segments through the cylinder-piston unit brought out of the cylindrical body. During the Axial displacement of the segments slide them on the inner surface along the cylindrical body.
  • Catalyst carrier body consists of a ceramic material.
  • Such Catalyst carrier bodies are arranged in a two-part housing.
  • the G 87 01 980.9 U1 describes such a housing for mounting of a monolithic ceramic body.
  • the half shells of the housing are made from sheet metal by deep drawing produced.
  • the housing parts can be manufactured with high accuracy.
  • the ceramic catalyst carrier body can not produce exactly enough. It is therefore necessary to close the case like this dimension that even ceramic catalyst carrier body with oversize or slight deformations can be integrated into the housing can.
  • an intermediate layer in particular a so-called Swell mat inserted.
  • Other intermediate layers with wire mesh u. ⁇ . are known. These layers can also be made with a catalyst be coated.
  • the production of a device for exhaust gas cleaning with a ceramic The catalyst carrier body is therefore relatively complex.
  • the aim of the present invention is to produce a device specify a honeycomb body that is structurally simple and rationally a uniform and gentle deformation of the casing tube causes.
  • Another object of the present invention is to provide a Specify method for manufacturing a honeycomb body, which the Manufacture of a honeycomb body is simplified and longer cycle times the manufacture of the honeycomb body allowed.
  • the device according to the invention for producing a honeycomb body with a jacket tube, in particular a catalyst carrier body for Internal combustion engines are characterized in that the segments each have a wedge-shaped sliding surface in cross section.
  • the segments are surrounded by an axially displaceable, ring-shaped Closing element which has at least one inclined surface.
  • the inclined surface of the closing element slides at one axial displacement of the closing element, on the wedge-shaped Sliding surface of each segment, causing the axial displacement of the ring a radial displacement of the segments to the casing tube causes.
  • the simultaneous radial movement of the segments has the consequence that all segments exert a force synchronously on the casing tube, through which the jacket tube is plastically deformed.
  • an actuating device of the closing element is provided, which is connected to the closing element. That of the closing element force transmitted to the segments can be determined by the angle of the inclined Areas can be set accordingly.
  • the slope of the sliding surface of each segment and that on the Sloping surface attacking the sliding surface of the closing element does not have to every segment be the same. According to the area of application of the device and the deformation generated by the device can Inclination surfaces can be designed differently, which means that the casing tube viewed in the circumferential direction, different forces act can.
  • the segments can immediately deform the jacket tube.
  • the segments also represent tool segments.
  • inner To releasably connect tool segments with the segments e.g. B. by Hang up.
  • This further training will make the Device reached.
  • Tool segments can have different cross sections of a casing tube generated by plastic deformation.
  • the number of tool segments does not necessarily have to correspond to the number of segments. However, it is advantageous if the number of tool segments is equal to the number of segments.
  • the inclined surface of the closing element is only partially in contact with the sliding surface so that the two surfaces face each other form a free angle.
  • This angle is preferably 0.5 to 3 °. This ensures that the locking element is clamped does not occur with the segments.
  • the segments are advantageously radially inward against a spring force slidably arranged. This has the advantage that after a plastic deformation of the jacket tube and an axial Movement of the closing element into a position in which the sliding surface and the sloping surface is no longer in contact, the segments automatically move radially outward, causing this the honeycomb body release.
  • At least one spring element is provided, which with each Segment is connected.
  • the spring element is advantageously around a spring washer, which is in a on the opposite of the sliding surface Surface of each sector formed groove is.
  • the spring element is then loaded under pressure. Should the segments at the same time be tool parts that directly deform the jacket tube, so it is useful to cover the grooves or the spring element to arrange the outer surface of the segments, whereby the axial Extension of the segments no discontinuities in the area of the segment, which comes to rest on the casing pipe occur.
  • An actuating device is used to actuate the closing element provided the at least two, preferably four, rods, a plate and comprises a cylinder-piston unit.
  • the piston rod of the cylinder-piston unit is connected to the plate.
  • One end of everyone Rod is with the plate and the other end of each rod is with connected to the closing element.
  • the cylinder-piston unit transmits the axial movement over the plate and the rods to the closing element.
  • the plate is expediently guided so that a possible Misalignment of the closing element is prevented.
  • the segments are preferably arranged on a base plate.
  • a base plate is provided below the base plate.
  • Between the Base and the base plate are arranged carriers, the base plate and the base plate and the carrier a frame of the device form.
  • the cylinder-piston unit is arranged on the base plate.
  • the bars engaging the closing element extend through bores formed in the base plate. These through holes can also serve as guides for the bars.
  • the carrier form guides for the plate, which the Bearers have a dual function and additional guides of the Plate can be dispensed with.
  • the base plate is coaxial with that through the segments a hole for the honeycomb body is provided, through which a stamp of an ejector in the by the Segments delimiting space can be introduced and removed.
  • the ejection device is preferably a pneumatically or hydraulically operated cylinder-piston unit.
  • the ejection device can also be pivotable about an axis Be lever, the first arm of which is coupled to a rod or plate and the second arm is connected to the stamp.
  • the Training device with a frame in which an annular Chamber is formed.
  • a piston in the annular chamber arranged, which is connected to rods connected to the closure element attack.
  • the chamber is filled with a fluid that is supplied via lines a pressure storage is supplied, acted upon, whereby the relative The position of the piston is changeable.
  • the stop is preferably in the form of Lugs formed, which are provided on at least two segments.
  • the device is designed so that below the Segments a passage opening is provided through which a honeycomb body after plastic deformation from the deformation area is removable.
  • the honeycomb body becomes plastic only at one end region of the casing tube deformed, so it is for the plastic deformation of the second End range necessary, a second device for performing the Provide procedure or the jacket tube about its transverse axis by 180 ° to turn. Both solutions do not always give a satisfactory result. It is therefore proposed the plastic deformation by segments make that at both end regions of the casing tube attack.
  • the entire casing tube can be plastically deformed by the segments will.
  • the jacket tube initially has a geometry that after plastic deformation to the desired geometry of the Device leads. It is not imperative here that the catalyst carrier body already firmly connected to the casing tube before the deformation is.
  • ceramic bodies which are round, elliptical or oval in cross-section (race track shape) are attached in a casing tube with as a housing.
  • the segments being one have the appropriate contour, a one-piece housing for the Ceramic body can be produced without the body being destroyed because the body is under pressure.
  • Opposite a housing Half-shells can clamp the honeycomb body evenly on all sides can be achieved, causing a break in the ceramic walls themselves large clamping forces is avoided.
  • the segments can be used to clamp the jacket tube on the catalyst carrier body with corresponding elevations or recesses be trained. If you provide recesses in the segments, so these lead to external beads and thus to a higher rigidity of the casing tube, which is of particular advantage since none or only very low forces act on the body from torsion (Torsion) of the casing pipe. You can also use the jacket pipe compress in the device to create special shapes.
  • the method according to the invention for producing a honeycomb body with A jacket tube is characterized in that the honeycomb body under Maintaining its transport direction at least one calibration station passes through, in which the casing tube of the honeycomb body is deformed.
  • the possibility is indicated by this embodiment of the method to reduce the cycle time considerably. It is no longer necessary, as is known from the prior art, the honeycomb body first of all to be brought into a calibration station and afterwards To convey the calibration backwards out of the calibration station.
  • the continuous processing of the honeycomb body also reduces the apparatus structure required for the production of the honeycomb body, since handling devices are no longer necessary that have a honeycomb body Place in a calibration station and bring it out again.
  • a method is preferred in which the honeycomb body is in succession goes through several calibration stations. Preferably in each Calibration stations only a predetermined axial section of the casing tube deformed.
  • the Deformation of the casing tube can be relatively large.
  • To wear to minimize the tools and for gentle processing of the Jacket tube is proposed in the successive jacket tube Successively deform calibration stations.
  • the degree of deformation i.e. the difference between the shape of the casing tube before and after the deformation based on the initial shape of the casing tube is in the same for the individual calibration stations.
  • the jacket tube is different in the individual calibration stations to deform strongly.
  • a different degree of deformation of the Jacket tube in the individual calibration stations leads to a cheaper Strain on the casing pipe, since the casing pipe material can recover between the calibration stations.
  • the individual calibration stations are preferably made from the honeycomb bodies go through one after the other.
  • a manufacturing step is not only to be understood as steps through which the manufacturing progress is continued, but also such Understand steps that favor the manufacturing process as such. So it can be exemplary and useful, the casing tube to be provided with a lubricant on the outside between two calibration stations, about the friction between a locking segment and the casing tube to reduce.
  • the honeycomb body is preferably with a jacket tube in one Calibration station deformed in which the honeycomb body with the jacket tube is arranged in a space delimited by segments. After that becomes at least one annular at least one inclined surface Closing element axially displaced, the surface on one each segment slides in wedge-shaped cross-section and the segments are moved radially to the jacket. Through the radial displacement of the segments deforms the jacket.
  • the closing element is axially in opposite direction shifted causing the segments the casing tube release. Then the honeycomb body with the casing tube be transported away.
  • the deformation of the jacket tube through the closing process does not necessarily have to be in a single closing process respectively. It is suggested to close the segments several times and to open, whereby the jacket tube successively its predetermined shape is awarded.
  • the honeycomb body is to be rotationally symmetrical, then proposed to twist the honeycomb body about its longitudinal axis in such a way that the twist angle is smaller than the arc angle of a segment.
  • the segments exert a force on the jacket tube several times. Hereby even more even plastic deformation is achieved.
  • the honeycomb body passes through several calibration stations, it is from Advantage if the honeycomb body is open before entering at least one a calibration station following calibration station about its longitudinal axis is rotated, the angle of rotation being smaller than the arc angle of a segment.
  • the casing tube of a manufactured with the inventive device The honeycomb body retains its strength properties because of the grain is not destroyed in the material.
  • the device comprises a base plate 17 and a base plate 18.
  • the bottom and base plates 17 and 18 are spaced apart arranged.
  • the respective end of a carrier 19 is with the base plate 17 and the base plate 18 connected.
  • the Segments 5 are essentially radially displaceable. Between Segments 5 and the base plate 18, a slide plate 20 is arranged, on which the segments 5 slide.
  • the slide plate 20 may e.g. B. by a Detachable connection, in particular by a screw connection, with the Base plate 18 may be connected.
  • the segments 5 can in the sliding plate 20 and / or the base plate 18 are guided. You can do this the segments 5 have corresponding projections which are in guide grooves intervention. In any case, it prevents a relatively large sliding surface a tilting of the segments between base plate 18 and segments 5.
  • Each segment 5 has a sliding surface 9 which is wedge-shaped in cross section.
  • the segments 5 are surrounded by an annular closing element 7, which has a conical surface 8.
  • the sliding surface 9 and the surface 8 slide accordingly when the ring is axially displaced arrows V on each other.
  • the annular closing element 7 has a circumferential collar 21 on, which is provided with through holes 22. To high strength to reach the annular closing element 7 are stiffening ribs 23 distributed around the circumference of the annular closing element.
  • Screws 24 extend through the through holes 22 are each connected to a rod 11 which extends through the base plate 18 extend substantially parallel to the longitudinal axis 25.
  • the opposite end of each rod 11 is with a plate 12 connected.
  • the connection can be made by screw connections 24, as shown, respectively.
  • the plate 12 can be guided on the carriers 19.
  • the Plate 12 has a centrally formed threaded bore 26 into which a threaded pin 27 is screwed in.
  • the threaded pin 27 forms one end of a piston rod 28 of a cylinder-piston unit 13. Die Cylinder-piston unit 13 is fixed to the base plate 17.
  • FIG. 2 is a second embodiment of a device for Production of a honeycomb body shown. Same parts of the device have the same reference numerals as in FIG. 1.
  • the device has a frame 30.
  • An annular chamber 31 is formed in the frame 30 and forms the cylinder of a cylinder-piston unit 14.
  • the chamber 31 is closed by means of a closure plate 32.
  • the closure plate 32 is screwed to the frame 30 by means of screws 33.
  • a sealing ring - O-ring - is arranged between the frame 30 and the closure plate 32.
  • a piston 35 is arranged in the chamber 31 and has an annular cross section.
  • a radial shaft sealing ring 36, 37 is arranged between the piston 35 and the wall of the chamber 31.
  • Each rod 11 is by means of a screw 38 connected to the piston 35.
  • Each rod 11 is in one Slide bushing 39 slidably guided.
  • Each slide bush is in a corresponding one Recess 40 arranged in the frame 30.
  • the device has eight segments 5 on.
  • the segments 5 have recesses lying in one plane in which a spring ring 41 or 42 is arranged.
  • a through opening 43 is formed below the segments 5.
  • the through opening 43 has a cross section which is essentially the cross section of the inner contour formed by the segments corresponds. After a honeycomb body plastically through the segments has been deformed and the segments release the honeycomb body again, the honeycomb body can leave the device through the opening 43.
  • the closing element 7 has a conical surface. This surface 8 slides on the sliding surface 9 of the segment 5. The two surfaces 8 and 9 have different angles of inclination with respect to the longitudinal axis 25 on.
  • angles of inclination are chosen so that between the two surfaces 8 and 9 an open angle a arises, which is in a range between 0.5 and 3 °.
  • the pressure area within which the force of the Closing element is introduced to the segments 5 is in FIG. 2 shown in dashed lines.
  • a section of a transfer line 48 is shown schematically in FIG.
  • the transfer line 48 comprises the calibration stations 43, 44, 46 and 47.
  • a processing station 45 is arranged between the calibration stations 44 and 46.
  • the transport direction of the honeycomb body is identified by T.
  • the honeycomb bodies pass through the individual stations, calibration stations and processing stations one after the other.
  • a calibration station comprises at least one device such as. B. is shown in Figure 2.
  • the individual honeycomb bodies successively pass through the calibration stations 43, 44, 46 and 47, each honeycomb body passing through the individual calibration stations being deformed while maintaining its transport direction T.
  • the honeycomb body can be subjected to further processing, processing being understood in the broadest sense. This can also be a quality control of the honeycomb body.
  • FIG. 6 schematically shows a diagram which shows the diameter of a rotationally symmetrical honeycomb body after individual calibration stations K 1 to K 4 .
  • the calibration station K 2 has a significantly greater reduction in the diameter of the jacket tube from D 1 to D 2 compared to the other calibration stations K 1 , K 3 or K 4 .
  • the representation of Figure 6 is schematic in nature. How large the reduction of the jacket tube should take place within the individual calibration stations also depends on the honeycomb body and the purpose for which it is to be used.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
EP95936472A 1994-11-07 1995-10-11 Verfahren und vorrichtung zur herstellung eines wabenkörpers, insbesondere katalysator-trägerkörpers, mit gehäuse Expired - Lifetime EP0791132B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4439685A DE4439685A1 (de) 1994-11-07 1994-11-07 Verfahren und Vorrichtung zur Herstellung eines Wabenkörpers, insbesondere Katalysator-Trägerkörpers, mit Gehäuse
DE4439685 1994-11-07
PCT/EP1995/004007 WO1996014500A1 (de) 1994-11-07 1995-10-11 Verfahren und vorrichtung zur herstellung eines wabenkörpers, insbesondere katalysator-trägerkörpers, mit gehäuse

Publications (2)

Publication Number Publication Date
EP0791132A1 EP0791132A1 (de) 1997-08-27
EP0791132B1 true EP0791132B1 (de) 1998-04-22

Family

ID=6532655

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95936472A Expired - Lifetime EP0791132B1 (de) 1994-11-07 1995-10-11 Verfahren und vorrichtung zur herstellung eines wabenkörpers, insbesondere katalysator-trägerkörpers, mit gehäuse

Country Status (10)

Country Link
EP (1) EP0791132B1 (ja)
JP (1) JP2950997B2 (ja)
KR (1) KR100351339B1 (ja)
CN (1) CN1069948C (ja)
AU (1) AU3841095A (ja)
DE (2) DE4439685A1 (ja)
ES (1) ES2116777T3 (ja)
MY (1) MY114904A (ja)
TW (1) TW529474U (ja)
WO (1) WO1996014500A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325424B (en) * 1997-05-20 2001-01-24 Emitec Emissionstechnologie Production of a honeycomb body of twisted sheet layers
JP4032902B2 (ja) * 2002-09-25 2008-01-16 トヨタ自動車株式会社 排気浄化用の基材、および、その製造方法
DE102005023168B4 (de) * 2005-05-19 2007-04-19 Benteler Automobiltechnik Gmbh Abgasreinigungsvorrichtung
DE102005061778A1 (de) * 2005-12-23 2007-06-28 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zur Herstellung eines formgenauen Wabenkörpers sowie Formteil dafür

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615816B2 (ja) * 1983-01-28 1994-03-02 本田技研工業株式会社 触媒コンバ−タの組付方法
GB2270869B (en) * 1989-08-01 1994-06-15 Honda Motor Co Ltd Process and apparatus for assembling catalytic converter
US5096111A (en) * 1990-10-05 1992-03-17 Nippon Steel Corporation Method for contracting a cylindrical body

Also Published As

Publication number Publication date
CN1069948C (zh) 2001-08-22
CN1163653A (zh) 1997-10-29
JP2950997B2 (ja) 1999-09-20
KR100351339B1 (ko) 2003-04-11
MY114904A (en) 2003-02-28
TW529474U (en) 2003-04-21
AU3841095A (en) 1996-05-31
DE4439685A1 (de) 1996-05-09
KR970707367A (ko) 1997-12-01
WO1996014500A1 (de) 1996-05-17
DE59502017D1 (de) 1998-05-28
EP0791132A1 (de) 1997-08-27
ES2116777T3 (es) 1998-07-16
JPH10502577A (ja) 1998-03-10

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