Chromatography column structure

Claim 1

A CHROMATOGRAPHIC COLUMN ASSEMBLY COMPRISING: A SUPPORT MEMBER HAVING A TOP SURFACE AND A BOTTOM SURFACE; A FIRST PLURALITY OF SPACERS ON THE TOP SURFACE OF SAID SUPPORT MEMBER DEFINING A FIRST GROUP OF AIR FLOW CHANNELS BETWEEN THE SPACERS; A FLAT HEATER POSITIONED ON SAID FIRST PLURALITY OF SPACERS; A COVER HAVING A TOP AND BOTTOM SIDE POSITIONED PARALLEL TO AND ABOVE SAID HEATER BUT SPACED THEREFROM; A SECOND PLURALITY OF SPACERS ON THE BOTTOM SIDE OF SAID COVER DEFINING A SECOND GROUP OF AIR FLOW CHANNELS BETWEEN SAID SECOND PLURALITY OF SPACERS; A CHROMATOGRAPHIC COLUMN SUB-ASSEMBLY INCLUDING A CHROMATOGRAPHIC COLUMN WOUND IN A DOUBLE SPIRAL AND HAVING SUBSTANTIALLY ITS ENTIRE LENGTH IN A COMMON PLANE AND A PAIR OF HEAT CONDUCTIVE PLATES, ONE DISPOSED ON EACH SIDE OF SAID WOUND COLUMN AND IN DIRECT PHYSICAL CONTACT WITH SAID COLUMN, SAID CHROMATOGRAPHIC COLUMN ASSEMBLY POSITIONED BETWEEN SAID HEATER AND SAID SECOND PLURALITY OF SPACERS AND IN DIRECT PHYSICAL CONTACT WITH SAID HEATER AND SAID SECOND PLURALITY OF SPACERS; MEANS FOR PASSING A COOLING FLUID THROUGH SAID FIRST AND SECOND GROUPS OF AIR FLOW CHANNELS; A FIRST HEAT INSULATOR POSITIONED ON THE BOTTOM SURFACE OF SAID SUPPORT MEMBER; A SECOND HEAT INSULATOR POSITIONED ON THE TOP SIDE OF SAID COVER; AND A HOUSING SURROUNDING SAID CHROMATOGRAPHIC COLUMN ASSEMBLY.