Ventilation barrier

Details Ventilation barrier Ventilation barrier

2008-04-15

2008-04-15

Boles, Derek S. (Department: 3749)

Ventilation

Having inlet airway

With adjustable valve

C052S002160

Reexamination Certificate

active

07357710

ABSTRACT:
A multi-layer barrier for insulation blocking an opening or passage of a building and for providing ventilation to or within a building. A plurality of inflated hollow membrane cube-like structures are formed adjacent to one another, which traverse a longitudinal width of the opening or passage. The hollow membrane cube-like structures are formed from generally rectangular sheets having two long parallel edges, two parallel short edges and a floor having one or more orifices in the forming floor of each non-bottom sheet between membranes, for air connection between membrane structures to be changed from an inflated and a deflated state.

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