DE2824205A1 - ELASTIC FLANGE CONNECTION ARRANGEMENT - Google Patents
ELASTIC FLANGE CONNECTION ARRANGEMENTInfo
- Publication number
- DE2824205A1 DE2824205A1 DE19782824205 DE2824205A DE2824205A1 DE 2824205 A1 DE2824205 A1 DE 2824205A1 DE 19782824205 DE19782824205 DE 19782824205 DE 2824205 A DE2824205 A DE 2824205A DE 2824205 A1 DE2824205 A1 DE 2824205A1
- Authority
- DE
- Germany
- Prior art keywords
- flange
- ring
- collar
- cylinder head
- connection arrangement
- 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.)
- Withdrawn
Links
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000000806 elastomer Substances 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012549 training Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10078—Connections of intake systems to the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1034—Manufacturing and assembling intake systems
- F02M35/10347—Moulding, casting or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Gasket Seals (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Description
BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT, 8000 München 40BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT, 8000 Munich 40
Elegtische Flanschverbindungsanordnung Zusatz zu Patent . . . (Patentanmeldung P 27 44 039.7) Electrical flange connection arrangement Addendum to patent. . . (Patent application P 27 44 039.7)
Die Erfindung bezieht sich auf eine elastische Flanschverbindung s-Anordnung mit den Merkmalen des Oberbegriffes des Anspruches 1.The invention relates to an elastic flange connection s-arrangement with the features of the preamble of Claim 1.
Der Erfindung liegt die Aufgabe zugrunde, die Befestigungsanordnung nach dem Hauptpatent weiterzubilden, insbesondere derart, daß sie bei vorhandenen Zylinderköpfen verwendet werden kann, ohne daß eine zusätzliche Bearbeitung bzw. Änderung dieser Zylinderköpfe erforderlich ist.The invention is based on the object of developing the fastening arrangement according to the main patent, in particular such that it can be used with existing cylinder heads without additional processing or modification this cylinder heads is required.
Diese Aufgabe löst die Erfindung durch die kennzeichnenden Merkmale des Anspruches 1. Für die Befestigung der Saugrohranlage am Zylinderkopf braucht bei dieser Ausbildung nur zunächst je ein einstückiger Flanschring auf jedes Saugröhrende aufgeschoben und je ein Ring aus Elastomer auf den Bund der einzelnen Saugrohre aufgeknöpft zu werden. Dann kann die Saugrohranlage an der glatten Flanschfläche des Zylinderkopfes befestigt werden.This object is achieved by the invention through the characterizing features of claim 1. For the attachment of the intake manifold to the cylinder head only needs initially in this training a one-piece flange ring on each suction tube end pushed on and a ring made of elastomer on each of the collar of the individual suction tubes to be unbuttoned. Then the intake manifold can be attached to the smooth flange surface of the cylinder head be attached.
Es ist zwar bereits bekannt (DE-OS 20 50 619) einen Vergaser mittels einer Flanschbefestigung an einer Saugrohranlage elastisch zu befestigen, wobei ein im Querschnitt etwa U-förmiger Gummiring über einen Flansch am Vergaserhals gestülpt ist, der etwa bis zur halben Höhe in einer Ausnehmung im Flansch des Saugrohres eingebettet ist und wobei ein zweigeteilt ausgeführter Flanschring aus Blech mittels einer Schraubverbindung mit dem Flansch des Saugrohres den Gummiring gegen den Saugrohrflansch drückt. Bei dieser Bauweise ist jedoch nicht nur ein geteilter Flanschring erforderlichAlthough it is already known (DE-OS 20 50 619) a carburetor by means of a flange attachment to an intake manifold to be attached elastically, with a rubber ring with an approximately U-shaped cross-section slipped over a flange on the carburetor neck is, which is embedded approximately up to half the height in a recess in the flange of the suction tube and with a two-part Executed flange ring made of sheet metal by means of a screw connection with the flange of the suction pipe, the rubber ring presses against the intake manifold flange. With this design, however, not only a split flange ring is required
009849/032«009849/032 «
282A205282A205
sondern auch eine entsprechende Ausnehmung in der Flanschfläche des Saugrohrflansches. Ferner wird eine zusätzliche Dichtung zwischen dem Flansch am Vergaserhals und dem Saugrohrflansch benötigt.but also a corresponding recess in the flange surface of the suction pipe flange. Furthermore, an additional Seal required between the flange on the carburetor neck and the suction pipe flange.
Die Ansprüche 2 bis 4 enthalten Ausgestaltungen der Erfindung. Durch die Merkmale des Anspruches 2 wird eine gesonderte Dichtung zur Abdichtung zwischen dem Saugrohr und dem Zylinderkopf vermieden. Die Merkmale des Anspruches 3 ergeben eine besonders einfache und leicht herstellbare Ausbildung des Ringes mit der Dichtung. Durch die Merkmale des Anspruches 4 wird eine gußgerechte bzw. druckgußfähige Ausbildung der Flanschringe erzielt.Claims 2 to 4 contain embodiments of the invention. The features of claim 2 is a separate Gasket for sealing between the intake manifold and the cylinder head avoided. The features of claim 3 result in a particularly simple and easy to manufacture training of the ring with the seal. Due to the features of claim 4, a castable or die-castable training is the flange rings achieved.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen: *.An exemplary embodiment of the invention is shown in the drawing. Show it: *.
Fig. 1 einen Teilschnitt einer elastischen Flanschverbindungs-Anordnung zur Befestigung einer Saugrohranlage am Zylinderkopf einer mehrzylindrigen Brennkraftmaschine ,Fig. 1 is a partial section of an elastic flange connection arrangement for fastening an intake manifold to the cylinder head of a multi-cylinder internal combustion engine ,
Fig. 2 einen Schnitt nach der Linie II-II in Fig. 1 und Fig. 3 eine Stirnansicht in der Linie III-III nach Fig. 1.Fig. 2 shows a section along the line II-II in Fig. 1 and FIG. 3 shows an end view in line III-III according to FIG. 1.
Eine Saugrohranlage mit einzelnen Saugrohren ist mittels einer elastischen Flanschverbindungs-Anordnung am Zylinderkopf 2 einer mehrzylindrigen Brennkraftmaschine befestigt. Ein Flansch in Form eines ringförmigen Bundes 3 ist am Ende 4 jedes einzelnen Saugrohres 1 angeordnet. Ein Ring 5 aus einem Elastomer ist über den Bund 3 geknöpft. Ein mit dem Zylinderkopf 2 verschraubter Flanschring 6 drückt über den Ring 5 den Bund 3 und damit das Saugrohr 1 gegen eine Flanschfläche 7 des Zylinderkopfes 2.An intake manifold system with individual intake manifolds is by means of an elastic flange connection arrangement on the cylinder head 2 attached to a multi-cylinder internal combustion engine. A flange in the form of an annular collar 3 is at the end 4 of each individual suction tube 1 arranged. A ring 5 made of an elastomer is buttoned over the collar 3. One with that Cylinder head 2 screwed flange ring 6 presses the collar 3 and thus the intake manifold 1 against a ring 5 Flange surface 7 of the cylinder head 2.
- 6 $09849/0323 - 6 $ 09849/0323
Der Bund 3 am Ende jedes Saugrohres 1 schließt mit der Stirnfläche 8 des Saugrohres 1 ab. Der über den Bund 3 geknöpfte Ring 5 aus Elastomer umschließt den Bund 3 axial und radial. Dar Ring 5 liegt an der Außenwandung des Saugrohres 1 und an dessen Stirnfläche 8 an. Er erstreckt sich an der Stirnfläche 8 soweit nach innen, daß er bis an den freien Saugrohrquerschnitt heranreicht und so eine Flachdichtung 9 bildet. Im Bereich seines der Flachdichtung 9 entgegengesetzten Endes ist der Ring 5 mit einer unter einem Winkel von ca. 45° abgeschrägten Stufe 10 versehen.The collar 3 at the end of each suction tube 1 closes with the end face 8 of the suction pipe 1. The elastomer ring 5 buttoned over the collar 3 encloses the collar 3 axially and radially. The ring 5 rests on the outer wall of the suction pipe 1 and on its end face 8. It extends on the front face 8 so far inwards that it reaches up to the free suction pipe cross-section and thus forms a flat seal 9. In the area of its end opposite the flat seal 9, the ring 5 is at an angle of Step 10 beveled at approx. 45 °.
Der Flanschring 6 umschließt den Ring 5 aus Elastomer in radialer Richtung im wesentlichen vollständig. Die Innenkontur des Flanschringes 6 folgt der Außenkontur des Ringes 5 und weist eine an der Stufe 10 des Ringes 5 anliegende Stufe 11 auf. Die an die Stufe 11 anschließende kleinste Innenkontur 12 des Flanschringes 6 entspricht der Außenkontur des Bundes 3 in der Weise, daß sich der Flanschring 6 (vor dem Aufknöpfen des Ringes 5 aus Elastomer auf den Bund 3) mit geringem Spiel über den Bund 3 auf das Saugrohr 1 schieben läßt. Die Flanschringe 6 sind mit hinterschneidungsfrei angeformten Flanschaugen 13 versehen, so daß sie im Druckgußverfahren hergestellt werden können. Die Flanschaugen 13 sind mit Auflageflächen 14 versehen, die bei zusammengebauter Anordnung an der Flanschfläche 7 des Zylinderkopfes 2 anliegen und so ein zu starkes Zusammenpressen des Ringes 5 aus Elastomer verhindern.The flange ring 6 encloses the ring 5 made of elastomer essentially completely in the radial direction. The inside contour of the flange ring 6 follows the outer contour of the ring 5 and has a bearing against the step 10 of the ring 5 Level 11 on. The smallest inner contour 12 of the flange ring 6 adjoining the step 11 corresponds to the outer contour of the collar 3 in such a way that the flange ring 6 is (before unbuttoning the elastomer ring 5 onto the collar 3) with little play over the collar 3 onto the suction tube 1 can slide. The flange rings 6 are provided with flange eyes 13 formed without undercuts, so that they are in the Die casting processes can be produced. The flange eyes 13 are provided with bearing surfaces 14, which when assembled Arrangement on the flange surface 7 of the cylinder head 2 and so too strong compression of the ring 5 made of elastomer.
Zum Zusammenbau wird zunächst der Flanschring 6 über den Bund 3 am Ende 4 des einzelnen Saugrohres 1 geschoben. Der Ring 5 aus Elastomer wird auf den Bund 3 aufgeknöpft und schließlich wird die Saugrohranlage nach gleicher Vorbereitung aller Saugrohre 1 an der Flanschfläche des Zylinderkopfes 2 befestigt. Bis auf beiderseitige schmale Spal-For assembly, the flange ring 6 is first pushed over the collar 3 at the end 4 of the individual suction tube 1. The ring 5 made of elastomer is buttoned onto the collar 3 and finally the intake manifold system is attached to the flange surface of the cylinder head 2 after all intake manifolds 1 have been prepared in the same way. Except for a narrow gap on both sides
§09849/0321§09849 / 0321
ORIGINAL INSPECTEDORIGINAL INSPECTED
te an der Flanschfläche 7 des Zylinderkopfes 2 umschließen die Flanschringe 6 die Ringe 5 aus Elastomer und halten die Enden 4 der Saugrohre 1 und damit die Saugrohranlage elastisch am Zylinderkopf 2.te on the flange surface 7 of the cylinder head 2, the flange rings 6 enclose the rings 5 made of elastomer and hold the ends 4 of the intake manifolds 1 and thus the intake manifold system resiliently on the cylinder head 2.
LeerseiteBlank page
Claims (4)
3.1.1 dessen Flanschfläche mit der Stirnfläche (8 ) des Saugrohres (1) zusammenfällt,End flange is formed,
3.1.1 whose flange surface coincides with the end surface (8) of the suction pipe (1),
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782824205 DE2824205A1 (en) | 1978-06-02 | 1978-06-02 | ELASTIC FLANGE CONNECTION ARRANGEMENT |
FR7912324A FR2427482B1 (en) | 1978-06-02 | 1979-05-15 | ELASTIC FLANGE CONNECTION DEVICE |
IT7923021A IT1120767B (en) | 1978-06-02 | 1979-05-28 | ELASTIC FLANGE JOINT DEVICE |
GB7918900A GB2023726B (en) | 1978-06-02 | 1979-05-31 | Resilient-flange connection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782824205 DE2824205A1 (en) | 1978-06-02 | 1978-06-02 | ELASTIC FLANGE CONNECTION ARRANGEMENT |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2824205A1 true DE2824205A1 (en) | 1979-12-06 |
Family
ID=6040852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782824205 Withdrawn DE2824205A1 (en) | 1978-06-02 | 1978-06-02 | ELASTIC FLANGE CONNECTION ARRANGEMENT |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2824205A1 (en) |
FR (1) | FR2427482B1 (en) |
GB (1) | GB2023726B (en) |
IT (1) | IT1120767B (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0139122A1 (en) * | 1983-09-20 | 1985-05-02 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Inlet pipe arrangement for an internal combustion engine |
DE3432608A1 (en) * | 1984-09-05 | 1986-03-13 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Flexible coupling of a pipe system to an internal combustion engine |
US4643136A (en) * | 1983-05-19 | 1987-02-17 | Nissan Motor Co., Ltd. | Inlet system for internal combustion engine |
US4864978A (en) * | 1987-10-27 | 1989-09-12 | Mitsui & Co., Ltd. | Manifold and manufacturing method thereof |
US5501075A (en) * | 1994-04-18 | 1996-03-26 | Firma Carl Freudenberg | Elastic mounting apparatus for mounting a turbocharger housing on an internal combustion engine |
US5624099A (en) * | 1994-04-18 | 1997-04-29 | Firma Carl Freudenberg | Elastic mounting apparatus for mounting a turbocharger housing on an internal combustion engine |
US5653200A (en) * | 1995-07-31 | 1997-08-05 | Robert Bosch Gmbh | Internal combustion engine with intake module or intake tube fastened to it, and method for fastening an intake module or intake tube to an internal combustion engine |
DE19613467A1 (en) * | 1996-04-04 | 1997-10-09 | Mann & Hummel Filter | Intake system for an internal combustion engine |
DE19647184A1 (en) * | 1996-11-14 | 1998-05-20 | Mann & Hummel Filter | Intake module for an internal combustion engine |
DE19745192A1 (en) * | 1997-10-13 | 1999-04-15 | Mann & Hummel Filter | Pipe connecting method for e.g. engine manifold |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3730817A1 (en) * | 1987-09-14 | 1989-03-23 | Porsche Ag | CYLINDER HEAD COVER WITH SUCTION PIPE SYSTEM FOR AN INTERNAL COMBUSTION ENGINE |
FR2654158B1 (en) * | 1989-11-03 | 1994-10-07 | Stihl Andreas | THERMAL ENGINE, PROVIDED WITH AN INTAKE MANIFOLD FIXED TO THE CYLINDER, FOR A MANUALLY GUIDED MACHINE TOOL. |
FR2724419B1 (en) * | 1994-09-09 | 1996-10-31 | Renault | DEVICE FOR FIXING AN INTAKE TUBE OF AN INTERNAL COMBUSTION ENGINE |
IT1301837B1 (en) * | 1998-06-29 | 2000-07-07 | Crc Ct Ricerche Cagiva S A | FIXING DEVICE OF AT LEAST ONE EXHAUST OR EXHAUST MANIFOLD OF AN ENDOTHERMAL MOTOR |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2744039A1 (en) * | 1977-09-30 | 1979-04-05 | Bayerische Motoren Werke Ag | Multicylinder IC engine suction inlet assembly - is fixed via resilient flange connections to cylinder head, and resiliently supported on engine block |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2050619A1 (en) * | 1970-10-15 | 1972-04-20 | Daimler-Benz Ag, 7000 Stuttgart | Attachment of a carburetor |
-
1978
- 1978-06-02 DE DE19782824205 patent/DE2824205A1/en not_active Withdrawn
-
1979
- 1979-05-15 FR FR7912324A patent/FR2427482B1/en not_active Expired
- 1979-05-28 IT IT7923021A patent/IT1120767B/en active
- 1979-05-31 GB GB7918900A patent/GB2023726B/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2744039A1 (en) * | 1977-09-30 | 1979-04-05 | Bayerische Motoren Werke Ag | Multicylinder IC engine suction inlet assembly - is fixed via resilient flange connections to cylinder head, and resiliently supported on engine block |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4643136A (en) * | 1983-05-19 | 1987-02-17 | Nissan Motor Co., Ltd. | Inlet system for internal combustion engine |
EP0139122A1 (en) * | 1983-09-20 | 1985-05-02 | Dr.Ing.h.c. F. Porsche Aktiengesellschaft | Inlet pipe arrangement for an internal combustion engine |
US4563984A (en) * | 1983-09-20 | 1986-01-14 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Suction pipe apparatus for an internal-combustion engine |
DE3432608A1 (en) * | 1984-09-05 | 1986-03-13 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Flexible coupling of a pipe system to an internal combustion engine |
US4864978A (en) * | 1987-10-27 | 1989-09-12 | Mitsui & Co., Ltd. | Manifold and manufacturing method thereof |
US5624099A (en) * | 1994-04-18 | 1997-04-29 | Firma Carl Freudenberg | Elastic mounting apparatus for mounting a turbocharger housing on an internal combustion engine |
US5501075A (en) * | 1994-04-18 | 1996-03-26 | Firma Carl Freudenberg | Elastic mounting apparatus for mounting a turbocharger housing on an internal combustion engine |
US5653200A (en) * | 1995-07-31 | 1997-08-05 | Robert Bosch Gmbh | Internal combustion engine with intake module or intake tube fastened to it, and method for fastening an intake module or intake tube to an internal combustion engine |
DE19613467A1 (en) * | 1996-04-04 | 1997-10-09 | Mann & Hummel Filter | Intake system for an internal combustion engine |
DE19647184A1 (en) * | 1996-11-14 | 1998-05-20 | Mann & Hummel Filter | Intake module for an internal combustion engine |
DE19745192A1 (en) * | 1997-10-13 | 1999-04-15 | Mann & Hummel Filter | Pipe connecting method for e.g. engine manifold |
DE19745192C2 (en) * | 1997-10-13 | 2001-04-19 | Mann & Hummel Filter | Pipe connection and a method for their production |
US6439621B1 (en) | 1997-10-13 | 2002-08-27 | Filterwerk Mann & Hummel Gmbh | Tubing coupling and a method for producing the same |
Also Published As
Publication number | Publication date |
---|---|
IT7923021A0 (en) | 1979-05-28 |
FR2427482A1 (en) | 1979-12-28 |
FR2427482B1 (en) | 1985-10-25 |
GB2023726A (en) | 1980-01-03 |
IT1120767B (en) | 1986-03-26 |
GB2023726B (en) | 1982-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
8178 | Suspension cancelled | ||
8130 | Withdrawal |