CPC F16L 59/028 (2013.01) [C04B 14/062 (2013.01); C04B 24/34 (2013.01); F16L 59/065 (2013.01); F25D 23/06 (2013.01); C04B 2235/528 (2013.01); F25D 2201/14 (2013.01)] | 20 Claims |
1. A method for forming an insulating material for a vacuum insulated structure, the method comprising steps of:
disposing glass spheres within a rotating drum, wherein a plurality of interstitial spaces are defined between the glass spheres;
disposing at least one binder material within the rotating drum;
rotating the glass spheres and the at least one binder material within the rotating drum, wherein the at least one binder material is mixed with the glass spheres during a first mixing stage to partially occupy the plurality of interstitial spaces;
disposing a first insulating material within the rotating drum;
mixing the at least one binder material, the first insulating material and the glass spheres to define an insulating base;
disposing a second insulating material within the rotating drum; and
mixing the second insulating material with the insulating base to define a homogenous form of a super-insulating material, wherein the first and second insulating materials occupy substantially all of an interstitial volume defined by the plurality of interstitial spaces.
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10. A method for forming an insulating material for a vacuum insulated structure, the method comprising steps of:
disposing glass spheres within a rotating drum, wherein a plurality of interstitial spaces are defined between the glass spheres;
disposing a binding material within the rotating drum;
mixing the glass spheres and the binding material during a first mixing stage to define an adhering base material, wherein the plurality of interstitial spaces between the glass spheres are partially occupied by the binding material;
disposing a first insulating material within the rotating drum;
mixing the adhering base material with the first insulating material to define an aggregate material;
crushing the aggregate material during a crushing stage to define an insulating base;
disposing a second insulating material within the rotating drum; and
mixing the second insulating material with the insulating base to define a homogenous form of a super-insulating material, wherein the first and second insulating materials occupy substantially all of an interstitial volume defined by the plurality of interstitial spaces.
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