Honeycomb insulation structure

Details Honeycomb insulation structure Honeycomb insulation structure

1977-11-21

1979-07-24

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

220444, 220901, B32B 312

Patent

active

041623410

ABSTRACT:
Method is disclosed for preparing a honeycomb insulation structure having its cells partially filled with a low density foam and a high density integral skin completely covering one edge of the honeycomb. Method comprises placing one edge of a honeycomb in an inert material; introducing a foamable or foaming substance into the cells and allowing it to rise from the surface of the inert material until it overflows slightly. The overflowing foam comes into contact with a pressure platen just above the honeycomb thereby forming the high density integral skin. The level of the material in the cell determines the thickness of the void on one edge. Structure has utility in cryogenic storage.

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patent: 3639106 (1972-02-01), Yate
patent: 3753843 (1973-08-01), Hutchison
patent: 3769767 (1973-11-01), Scott
patent: 3895152 (1975-07-01), Carlson et al.

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