Insulating elements for walls and ceilings

Details Insulating elements for walls and ceilings Insulating elements for walls and ceilings

1977-02-28

1978-02-07

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

264 453, 264 454, 264DIG7, 428 71, 428306, 428310, 428313, 428315, B32B 310

Patent

active

040727882

ABSTRACT:
The invention relates to a method for the production of insulating elements for the walls and ceilings, made from facing layers fitted to a frame. Between the facing layers, a perforated foam-permeable, optionally reinforced, intermediate layer is inserted. One of the two chambers thus formed is subsequently filled with foam. The other chamber is filled with a foam permeated granular material.

REFERENCES:
patent: 2977639 (1961-04-01), Barkhuff, Jr. et al.
patent: 3091998 (1963-06-01), Wehr et al.
patent: 3172072 (1965-03-01), Willy
patent: 3464872 (1969-09-01), Everett
patent: 3996654 (1976-12-01), Johnson

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