Double-walled container

Claim 1

A DOUBLE-WALLED LIQUEFIED GAS CONTAINER COMPRISING AN INNER STORAGE VESSEL AND AN OUTER SHELL BEING ARRANGED AND CONSTRUCTED WITH A VACUUM SPACE THEREBETWEEN; AN EVAPORATION GAS CONDUIT BETWEEN SAID INNER VESSEL AND SAID OUTER SHELL FOR TRANSPORTING SUCH GAS FROM THE CONTAINER AND HAVING A TEMPERATURE GRADIENT ACROSS SAID VACUUM SPACE; A COMPOSITE MULTI-LAYERED INSULATION DISPOSED WITHIN SUCH SPACE COMPRISING MULTIPLE LAYERS OF PRECOMPACTED PAPER RIBBON AND ALUMINUM FOIL RIBBON BEING ORBITAL WRAPPED CRISSCROSSLY IN OVERLYING RELATION AROUND SAID INNER VESSEL; MULTIPLE FRUSTO-CONICAL SECTIONS FORMED OF ALUMINUM SHEETING OF 0.02 TO 0.04 INCH THICKNESS BEING CONCENTRICALLY ALIGNED AROUND SAID EVAPORATION CONDUIT WITHIN SAID VACUUM SPACE, POSITIONED WITH THEIR SMALL ENDS FRICTIONALLY BEARING AGAINST THE OUTER SURFACE OF THE CONDUIT FOR THERMAL CONTACT THEREBETWEEN AND LONGUITDINALLY SPACED ALONG THE CONDUIT OUTER SURFACE, AT LEAST SOME OF THE ORBITAL WRAPPED ALUMINUM RIBBONS OVERLAPPING AND CONTIGUOUSLY THERMALLY CONTACTING THE LARGE ENDS OF RESPECTIVE FRUSTO-CONICAL SECTIONS AS HEAT CONDUCTIVE SHIELDS, THE SHIELDS AND FRUSTO-CONICAL SECTION LARGE ENDS AS WELL AS THE SECTION SMALL ENDS AND CONDUIT OUTER SURFACE BEING ALIGNED WITH RESPECT TO THE VACUUM SPACE WIDTH AND THERMALLY CONTACTED SO THAT THE SHIELD AND FRUSTO-CONICAL SECTIONS ARE AT TEMPERATURES LOWER THAN THE TEMPERATURES THEY WOULD ASSUME ABSENT THE CONTACTS.