Microwave safe vacuum insulated containers and method of manufac

Details Microwave safe vacuum insulated containers and method of manufac Microwave safe vacuum insulated containers and method of manufac

1978-08-17

1980-01-22

Norton, Donald F.

Bottles and jars

Multilayer barrier structure

Insulating material between spaced wall panels

65 34, 220422, A47J 4102

Patent

active

041846010

ABSTRACT:
Vacuum insulated containers are disclosed in which the usual metallic coating applied to the vacuum filler is omitted. In its place an electrically nonconducting, nonadsorbent granular material, such as finely divided silica, is employed in the annular, evacuated space to reduce infrared radiation loss. The construction is safe for use in microwave ovens and has a relatively high insulating efficiency as compared with vacuum fillers without infra barriers and nonvacuum insulated containers.

REFERENCES:
patent: 1012547 (1971-12-01), Higbee
patent: 2633264 (1953-03-01), Dinsmore
patent: 2839209 (1958-06-01), Lester
patent: 3096897 (1963-07-01), Hansen
patent: 3331522 (1967-07-01), Bridges
patent: 3910441 (1975-10-01), Bramming
patent: 3930375 (1976-01-01), Hofmann
patent: 3961720 (1976-06-01), Potter

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