Flame resistant insulation blanket

Details Flame resistant insulation blanket Flame resistant insulation blanket

1976-02-05

1977-07-26

Lesmes, George F.

Stock material or miscellaneous articles

Sheet including cover or casing

Including elements cooperating to form cells

156272, 428 71, 428 76, 428166, 428178, 428315, 428921, B32B 300, B32B 302

Patent

active

040384470

ABSTRACT:
A portable insulation blanket made of flame resistant materials for protecting concrete surfaces. The blanket has a flame resistant core having a plurality of layers of insulating structures. Each layer of insulating structure has a plurality of closed cell portions defining gas containing chambers. A cover of flame resistant plastic sheet material encloses the core. The cover has edges that are stitched or welded together. A plurality of holding assemblies are mounted on the cover and project through the core to hold the core in a flat position between the covers.

REFERENCES:
patent: 2927626 (1960-03-01), Corwin et al.
patent: 3020183 (1962-02-01), Calvaresi
patent: 3108016 (1963-10-01), Longstreth et al.
patent: 3162566 (1964-12-01), Katz
patent: 3199481 (1965-08-01), Handwerker
patent: 3420022 (1969-01-01), Brock
patent: 3523055 (1970-08-01), Lemelson
patent: 3619343 (1971-11-01), Freeman
patent: 3623940 (1971-11-01), Gladstone et al.
patent: 3640831 (1972-02-01), Gardener et al.
patent: 3663463 (1972-05-01), Wren

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