Mounting mat for mounting an exhaust gas catalytic converter

Details Mounting mat for mounting an exhaust gas catalytic converter Mounting mat for mounting an exhaust gas catalytic converter

2006-11-11

2010-12-21

Thomas, Alexander (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

C442S352000, C442S377000, C442S391000

Reexamination Certificate

active

07854981

ABSTRACT:
The invention relates to a mounting mat for mounting an exhaust gas catalytic converter, which is used for purifying motor vehicle exhaust gases, in a catalytic converter housing. The mounting mat has at least three plies and is mechanically compacted by seams (6) that absorb tensile stresses. The seams (6) are made with a sewing thread (7) whose temperature resistance is lower than the temperature of the mounting mat (5) when the exhaust gas catalytic converter is in operation. According to the invention, an elastically compressible nonwoven (3) made of crimped metal filaments is placed between two outer plies (1, 1′) made of mineral fibers (2).

REFERENCES:
patent: 3876384 (1975-04-01), Santiago et al.
patent: 5028397 (1991-07-01), Merry
patent: 6756107 (2004-06-01), Schierz et al.
patent: 80 19 813 (1980-10-01), None
patent: 199 32 255 (2001-01-01), None
patent: 0 319 299 (1989-06-01), None
patent: WO 01/00304 (2001-01-01), None
International Search Report.

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