Global Patent Index - EP 1317607 A1

EP 1317607 A1 2003-06-11 - HONEYCOMB BODY HAVING A SHORTENED, SLOTTED INNER SHEATHING TUBE

Title (en)

HONEYCOMB BODY HAVING A SHORTENED, SLOTTED INNER SHEATHING TUBE

Title (de)

WABENKÖRPER MIT VERKÜRZTEM, GESCHLITZTEM INNENMANTELROHR

Title (fr)

CORPS EN NID D'ABEILLES A TUBE INTERIEUR DE PROTECTION FENDU ET RACCOURCI

Publication

EP 1317607 A1 (DE)

Application

EP 01969678 A

Priority

  • DE 10045540 A
  • EP 0110052 W

Abstract (en)

[origin: WO0223021A1] The invention relates to a honeycomb body (1) held by means of an inner sheathing tube (7) inside a housing (2), especially inside a housing (2) of an exhaust gas system (3) of an internal combustion engine (4). The inner sheathing tube (7) has an overall length (9), which is axially (5) delimited by two edges (8) and which is significantly shorter than the axial length (11) of the honeycomb body. In addition, the inner sheathing tube (7) is arranged in an almost axially centrical manner around the honeycomb body (1) and is joined, especially soldered, to the same in at least one axial connection area (19) by using joining techniques. According to the invention, the inner sheathing tube (7) is fastened to the housing (2) in a partial area (10) inside the axial connection area (19), in which said tube is internally joined to the honeycomb body (1), or the tube is also fastened externally to or inside the housing (2) while directly abutting against the honeycomb body, whereby the areas of the inner sheathing tube (7), which are not joined to the housing (2) but are inwardly joined to the honeycomb body (1), are configured as radially resilient spring elements (18). This results in the creation of a flexible holding device that adapts to deformations of the honeycomb body without tearing away which is advantageous particularly in honeycomb bodies made of very thin sheet metal layers, in particular, those thinner than 0.03 mm.

IPC 1-7 (main, further and additional classification)

F01N 3/28

IPC 8 full level (invention and additional information)

B01J 35/04 (2006.01); F01N 3/28 (2006.01)

CPC (invention and additional information)

F01N 3/281 (2013.01); B01J 35/04 (2013.01); F01N 3/2857 (2013.01); F01N 3/2875 (2013.01)

Citation (search report)

See references of WO 0223021A1

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 0223021 A1 20020321; AU 8985701 A 20020326; DE 10045540 A1 20020321; EP 1317607 A1 20030611; EP 1317607 B1 20040602; ES 2222391 T3 20050201; JP 2004509264 A 20040325; US 2003147782 A1 20030807; US 7258843 B2 20070821

INPADOC legal status


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- Document: DE 50102488

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2005-05-25 [26N] NO OPPOSITION FILED

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2005-02-25 [ET] FR: TRANSLATION FILED

2005-02-01 [REG ES FG2A] DEFINITIVE PROTECTION

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2004-07-08 [REF] CORRESPONDS TO:

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2004-06-02 [REG GB FG4D] EUROPEAN PATENT GRANTED

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2004-03-03 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: BRUECK, ROLF

2004-03-03 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: KONIECZNY, JOERG-ROMAN

2004-03-03 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: SCHAPER, KATRIN

2004-03-03 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: MAUS, WOLFGANG

2003-07-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: BRUECK, ROLF

2003-07-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: KONIECZNY, JOERG-ROMAN

2003-07-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: SCHAPER, KATRIN

2003-07-23 [RIN1] INVENTOR CHANGED BEFORE GRANT

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