Replaceable foam insulation system

Details Replaceable foam insulation system Replaceable foam insulation system

1982-10-18

1986-01-07

Kelly, Donald G.

Static structures (e.g., buildings)

Viewing port for specific environment

52404, E04B 176

Patent

active

045626740

ABSTRACT:
A replaceable foam insulation system is disclosed for a cavity in walls or a roof of a building structure. The system is sealed to ensure foam does not escape through vents from the cavity and can be easily destroyed without leaving a residue in the cavity. The system comprises at least one enclosed recirculating substantially horizontal passage within the cavity, means for recirculating air or gas through the passage in the cavity, and foam producing means in the passage positioned immediately downstream of the means for recirculating air or gas, the foam producing means and means for recirculating air or gas when operating together providing foam to substantially fill the passage in the cavity, and the means for recirculating air or gas when operating alone, destroying substantially all the foam in the passage.

REFERENCES:
patent: 3672184 (1972-06-01), Zeilon
patent: 3830309 (1974-08-01), Ray
patent: 4074482 (1978-02-01), Klahr

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