Stock material or miscellaneous articles – Sheet including cover or casing – Including elements cooperating to form cells
Patent
1982-11-17
1984-08-28
Epstein, Henry F.
Stock material or miscellaneous articles
Sheet including cover or casing
Including elements cooperating to form cells
52791, 52806, 428116, B32B 312
Patent
active
044684231
ABSTRACT:
An insulating cell element comprises a hermetically sealed shell defining a closed chamber having a volumetric space contained by the chamber wall. The space has a vacuum established in an amount sufficient to achieve a heat conductivity of substantially zero through the space. The shell has a structural configuration effective to resist the outside pressure resulting when the vacuum is established in the closed chamber and is further effective to maintain the vacuum over a substantially unlimited period of time. The energy transfer for a single layer of these elements is down to at least about 0.050 BTU per square foot per degree Fahrenheit (.degree.F.) at an overall thickness of about 1/8 of an inch. A plurality of the insulating cell elements are contiguously disposed with respect to each other to form a monolithic structure.
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Epstein Henry F.
Markva Neil F.
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