Patent ID: 8336925

Claim:
A ventilation duct assembly kit for use for forming interconnecting ventilation ducts, the kit comprising; a pallet supporting a plurality of stacked flat flexible panels that are shapeable into ductwork elements, each of said flat flexible panels comprising: first and second opposite duct-forming sides; first and second opposite interconnecting sides for interconnection to a subsequent panel formed into a ductwork element; and a male interlocking interface and a corresponding female interlocking interface of a fastening system respectively fixed on the first and second opposite duct-forming sides for interlocking of the duct-forming sides together upon shaping of the ductwork element; a sealant for sealin of the male and female interlocking interfaces after shaping of the ductwork element; a plurality of slideable locking elements shaped to slide and fit over assembled male and female interlocking interfaces after shaping of the ductwork element; a plurality of collets shaped to fit over the interconnecting sides of the formed ductwork elements for interconnection of adjacent shaped ductwork elements, and sized to extend between the adjacent slideable locking elements from corresponding adjacent shaped ductwork elements; and a plurality of fasteners for fastening the collets to the shaped ductwork elements.