Catalytic converter

Claim 1

A CATALYTIC CONVERTER COMPRISING, IN COMUINATION; A. A PARTLY CYLINDRICAL CORE MEMBER OF A REFRACTORY CERAMIC MATERIAL HAVING A MYRIAID OF PASSAGE EXTENDING THERETHROUGH FROM ONE PLANAR END THEREOF TO THE OTHER, SUCH CORE MEMBER INCLUDING AN ANNULAR COLLAR PORTION PERIPHERALLY SURROUNDING THE CORE MEMBER WITH THE BRIMS OF THE ENDS OF SUCH COLLAR PORTION BEING EVENLY BEVELED OR CHAMFERRED AND THE WALLS OF SAID PASSAGE HAVING AN OXIDATION CATALYST DEPOSITED THEREON; B. FIRST AND SECOND OPPOSITELY DISPOSED ANF GENERALLY FUNNEL SHAPED METALLIC CASINGS WHOSE LARGE OPEN ENDS HAVE A DIAMETER SOMEWHAT GREATER THAN THE MAXIMUN DIAMETER OF SAID CORE MEMBER AND WHICH INCLUDE RADIALLY INWARDLY EXTENDING FLANGE PORTIONS WHICH TAPER AT ANGLES CONFORMING OF SAID BEVELED BRIMS OF THE ENDS OF SAID COLLAR PORTION OF THE CORE MEMBER, SAID LARGE OPEN ENDS OF SAID FIRST AND SECOND CASINGS SURROUNDING AND IN FIRM CONTACT WITH THE BEVELED BRIMS OF THE FIRST AND SECOND ENDS RESPECTIVELY OF THE COLLAR PORTION OF THE CORE MEMBER; C. A GENERALLY CYLINDRICAL CASING SURROUNDING AND COMPLETELY ENCLOSING SAID LARGE OPEN ENDS OF SAID FUNNEL SHAPED CASINGS AND SAID COLLAR PORTION OF SAID CORE MEMBER WITH AN ANNULAR SPACE PROVIDED BETWEEN THE CYLINDRICAL CASING AND THE FUNNEL SHAPED CASING BENT RADIALLY MEMBER, THE ENDS OF THE CYLINDRICAL CASING BENT RADIALLY INWARDLY TO CONTACT THE LARGE ENDS OF THE FUNNEL SHAPED CASINGS; AND D. MEANS JOINING THE ENDS OF SAID CYLINDRICAL CASING TO THE LARGE ENDS OF SAID FUNNEL SHAPED CASINGS TO MAINTAIN SAID CYLINDRICAL CASING UNDER TENSION AND THE FUNNEL SHAPED CASINGS AND THE COLLAR PORTION OF THE CORE MEMBER UNDER COMPRESSION, THE SMALLER ENDS OF THE FUNNEL SHAPED CASINGS FORMING INLET AND OUTLET CONDUITS FOR THE EXHAUST GASES FROM AN INTERNAL COMBUSTION ENGINE.