Method of producing metal support for exhaust gas catalyst

Details Method of producing metal support for exhaust gas catalyst Method of producing metal support for exhaust gas catalyst

1989-08-23

1990-11-13

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

29418, 72148, 502439, 422180, B21D 5300

Patent

active

049692658

ABSTRACT:
A method of producing a metal support for an exhaust gas catalyst. The method comprises the steps of: (a) mating respective end portions of flat and corrugated metal strips in such a manner that respective major portions of the strips extend in opposite directions; (b) putting the mated end portions of the strips between two generally flat holding members; (c) winding the major portions of the flat and corrugated metal strips around the holding members overlapping one on another by a predetermined number of times, thereby to produce an oval structure which includes the flat and corrugated metal strips and the holding members; (d) drawing the holding members from the oval structure thereby to provide a semi-processed oval assembly which has two generally flat bores left therein; and (e) pressing the semi-processed oval assembly in a manner to eliminate the bores thereby to provide a tightly wound oval assembly of the flat and corrugated metal strips.

REFERENCES:
patent: 2721952 (1955-10-01), Kenyon
patent: 4300956 (1981-11-01), Rosenberger et al.
patent: 4318888 (1982-03-01), Chapman et al.
patent: 4598063 (1986-07-01), Retallick

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