Rigid multilayer material for thermal insulation

Details Rigid multilayer material for thermal insulation Rigid multilayer material for thermal insulation

2006-02-21

2006-02-21

Stein, Stephen (Department: 1775)

Stock material or miscellaneous articles

Sheet including cover or casing

Including elements cooperating to form cells

C428S116000, C428S316600, C428S317100, C428S426000, C428S457000, C052S783100, C052S793100, C052S794100, C156S197000, C156S250000, C156S305000, C156S320000

Reexamination Certificate

active

07001656

ABSTRACT:
The invention relates to a rigid multilayer material for thermal insulation, in particular in a vacuum, the material comprising at least one insulating plate of honeycomb material sandwiched between two aluminum- or gold-coated skins of low emissivity. In order to optimize thermal insulation, the diameter of the cells is at least twice their height. The multilayer material may have as many layers as needed. The cells of adjacent layers may be offset in order to further minimize paths for heat conduction through the structure. Holes may be pierced in the side walls of the cells in order to allow them to empty out when the material is put into a vacuum. The invention also provides a method of making such a material.

REFERENCES:
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patent: 5242651 (1993-09-01), Brayden et al.
patent: 5270092 (1993-12-01), Griffith et al.
patent: 5474262 (1995-12-01), Fiore
patent: 5792295 (1998-08-01), Huebner et al.
patent: 3527061 (1987-02-01), None
patent: 948 904 (1949-08-01), None
patent: 2 316 651 (1998-03-01), None
patent: WO 99/04966 (1999-02-01), None

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