Method of Producing an Insulated Exhaust Gas Device

A method is provided for producing an exhaust gas aftertreatment or acoustic device (18) having a maximum operating temperature Tmax. The method includes the steps of providing a blanket (28) of silica fiber insulation material having a weight percentage of SiO2 of greater than 65%; heating the blan...

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Bibliographische Detailangaben
Hauptverfasser:	LATHAM RUTH, MERCKER BENEDIKT, OLIVIER KEITH, FREIS STEVEN
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A method is provided for producing an exhaust gas aftertreatment or acoustic device (18) having a maximum operating temperature Tmax. The method includes the steps of providing a blanket (28) of silica fiber insulation material having a weight percentage of SiO2 of greater than 65%; heating the blanket (28) so that all of silica fiber insulation material is raised to a temperature T greater than Tmax; and installing the blanket (28) in the device (18) after the heating step.