Heat exchanger core structure

Claim 1

IN A HEAT EXCHANGER CORE STRUCTURE: A PLURALITY OF SPACED APART, LEAK-TIGHT SEPARATION WALLS AT LEAST PARTIALLY DEFINING FLUID PASSAGES, EACH OF SAID WALLS COMPRISING A JOINTLESS, HOMOGENEOUS STRUCTURE OF PLASTIC SEALING AND BONDING MATERIAL HAVING INTERNALLY EMBEDDED THEREIN A PLURALITY OF REINFORCING AND CARRIER MEMBERS OF SUBSTANTIALLY UNIFORM CROSS SECTION SPACED LATERALLY THROUGHOUT THE HEIGHT OF SAID WALL AND EXTENDING LENGTHWISE OF THE WALL SUBSTANTIALLY PARALLEL THERETO; AND HEAT-CONDUCTIVE MEMBERS TRAVERSING ALL OF SAID WALLS IN A PLURALITY OF ROWS AND IN SEALED AND BONDED RELATIONSHIP THEREWITH, AND PASSING THROUGH ALL OF SAID PASSAGES AND DIRECTLY EXPOSED THEREIN, SAID ROWS OF HEAT-CONDUCTIVE MEMBERS AND SAID REINFORCING AND CARRIER MEMBERS BEING STACKED IN ALTERNATING CONTACTING SEQUENCE, THEREBY TO SPACE AND SUPPORT EACH OTHER THROUGHOUT THE HEIGHT OF EACH OF SAID WALLS AND TO FORM INTERNALLY REINFORCED WALLS.