IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0199396
(2005-08-08)
|
등록번호 |
US-8336176
(2012-12-25)
|
우선권정보 |
DE-103 04 814 (2003-02-06) |
발명자
/ 주소 |
- Hodgson, Jan
- Voit, Michael
|
출원인 / 주소 |
- EMITEC Gesellschaft fuer Emissionstechnologie mbH
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
9 |
초록
▼
A method for producing multiple structured sheet metal foils includes the steps of A) reshaping the sheet metal foil to produce a primary structure having a first primary structure width; B) reshaping the sheet metal foil having the primary structure to produce a secondary structure; and C) reshapin
A method for producing multiple structured sheet metal foils includes the steps of A) reshaping the sheet metal foil to produce a primary structure having a first primary structure width; B) reshaping the sheet metal foil having the primary structure to produce a secondary structure; and C) reshaping the structured sheet metal foil to produce a second primary structure width being smaller than the first primary structure width. A method for producing a metal honeycomb body, a catalyst carrier body having multiple structured sheet metal foils for exhaust gas purification and a tool for producing multiple structured sheet metal foils, are also provided.
대표청구항
▼
1. A method for producing multiple-structured sheet metal foils, which comprises the following steps: A) reshaping the sheet metal foil to produce a primary structure having a first primary structure width;B) reshaping the sheet metal foil having the primary structure to produce a secondary structur
1. A method for producing multiple-structured sheet metal foils, which comprises the following steps: A) reshaping the sheet metal foil to produce a primary structure having a first primary structure width;B) reshaping the sheet metal foil having the primary structure to produce a secondary structure;C) reshaping the sheet metal foil simultaneously with or subsequently to reshaping step B) to produce a second primary structure width being less than the first primary structure width;carrying out step A) with a first tool;engaging extremes of the primary structure with segments of a second tool during reshaping step C);setting a first interval between two adjacent segments corresponding to the first primary structure width;setting a second interval between said two adjacent segments corresponding to the second primary structure width; andproducing the second primary structure width by reducing the first interval to the second interval. 2. The method according to claim 1, which further comprises, prior to step A), introducing multiple separating edges into an inner area of the basically plane sheet metal foil in a step a). 3. The method according to claim 2, which further comprises carrying out the step of introducing the separating edges by at least one production process selected from the group consisting of: cutting,pressing,stamping,drilling, andetching,to produce a multiplicity of passages. 4. The method according to claim 2, which further comprises carrying out steps a) and A) with a first tool performing at least one of a cutting production process in step a) or a corrugation rolling production process to produce the primary structure in step A). 5. The method according to claim 1, which further comprises, during the first reshaping step B), bending the sheet metal foil with intermeshing profile teeth, to produce a basically regular, recurring corrugation as the primary structure. 6. The method according to claim 1, wherein the secondary structure width is less than 80% of the first primary structure width. 7. The method according to claim 1, wherein the secondary structure width is less than 55% of the first primary structure width. 8. The method according to claim 1, wherein the secondary structure has a striated construction. 9. The method according to claim 8, wherein the striated construction extends along extremes of the primary structure. 10. The method according to claim 1, wherein the secondary structure has an intermittent construction. 11. The method according to claim 10, wherein the intermittent construction extends parallel to extremes of the primary structure. 12. The method according to claim 1, wherein the secondary structure forms passages in the sheet metal foil. 13. The method according to claim 1, wherein the second primary structure width produced by reshaping step C) is less than 80% of the first primary structure width. 14. The method according to claim 1, wherein the second primary structure width produced by reshaping step C) is less than 60% of the first primary structure width. 15. The method according to claim 1, which further comprises carrying out reshaping step C) to provide a first primary structure height being less than 80% of a second primary structure height. 16. The method according to claim 1, which further comprises carrying out reshaping step C) to provide a first primary structure height being less than 60% of a second primary structure height. 17. The method according to claim 1, which further comprises carrying out reshaping step C) simultaneously with reshaping step B). 18. The method according to claim 1, wherein the multiple-structured sheet metal foils are produced from a high temperature-resistant and corrosion-resistant material having a foil thickness of less than 0.03 mm. 19. The method according to claim 1, wherein the multiple-structured sheet metal foils are produced from a high temperature-resistant and corrosion-resistant material having a foil thickness of less than 0.015 mm. 20. The method according to claim 1, wherein the second primary structure width is less than 3.0 mm. 21. The method according to claim 1, wherein the second primary structure width is less than 2.6 mm. 22. The method according to claim 1, wherein the second primary structure width is less than 2.2 mm. 23. The method according to claim 1, which further comprises producing the primary structure with a second primary structure height of more than 1.5 mm. 24. The method according to claim 1, which further comprises producing the primary structure with a second primary structure height of more than 1.8 mm. 25. The method according to claim 1, which further comprises producing the primary structure with a second primary structure height of more than 2.0 mm. 26. A method for producing a metal honeycomb body having at least partially structured sheet metal foils, the method comprising the following steps: producing at least one sheet metal foil according to claim 1; andsubsequently at least one of stacking or winding the at least one sheet metal foil to form a honeycomb body having a multiplicity of channels at least partially defined by the primary structure. 27. The method according to claim 26, which further comprises forming openings between adjacent channels during the step of producing the secondary structure. 28. The method according to claim 26, which further comprises producing a channel density per unit area of at least 300 cpsi during the step of at least one of stacking or winding the at least one sheet metal foil. 29. The method according to claim 26, which further comprises producing a channel density per unit area of at least 600 cpsi during the step of at least one of stacking or winding the at least one sheet metal foil. 30. The method according to claim 26, which further comprises forming sheet metal layers during the step of at least one of stacking or winding the at least one sheet metal foil, at least partially enclosing the layers with a casing, and joining the layers to one another and/or to the casing. 31. The method according to claim 30, which further comprises carrying out the joining step by a brazing process. 32. The method according to claim 26, which further comprises forming sheet metal layers during the step of at least one of stacking or winding the at least one sheet metal foil, and joining the layers to one another. 33. The method according to claim 32, which further comprises carrying out the joining step by a brazing process. 34. The method according to claim 26, which further comprises at least partially providing the at least one sheet metal foil forming the honeycomb body with a coating. 35. The method according to claim 34, wherein the coating is catalytically active. 36. The method according to claim 34, wherein the coating is a wash coat. 37. The method according to claim 1, wherein the multiple-structured sheet metal foils are produced from a high temperature-resistant and corrosion-resistant material having a foil thickness of less than 0.05 mm.
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