Insulating panel

Details Insulating panel Insulating panel

1977-05-11

1978-07-25

Purser, Ernest R.

Static structures (e.g., buildings)

Viewing port for specific environment

52616, E06B 712

Patent

active

041020995

ABSTRACT:
An insulating panel comprising a plurality of transparent plastic members, usually tubular and substantially rigid, positioned in parallel relation and extending over one surface of a glass sheet, and a transparent plastic cover sheet extending over at least the one surface of the glass sheet and the plastic members and secured to marginal areas of the glass sheet to form a unitary hollow insulating structure therefrom. Or two plastic cover sheets may secure tubular plastic members in the open center of an open center frame.

REFERENCES:
patent: 2943968 (1960-07-01), Freeman et al.
patent: 3193434 (1965-07-01), Weiss
patent: 3535098 (1970-10-01), Babcock
patent: 4035539 (1977-07-01), Luboshez

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