Thermoplastic aquatic biomass containment barrier with reinforced hinge
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United States of America Patent
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Sep 24, 1991
Grant Date -
N/A
app pub date -
May 2, 1990
filing date -
May 2, 1990
priority date (Note) -
Expired
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Abstract
A twin-sheet thermoformed thermoplastic aquatic biomass containment barrier with reinforced hinges is disclosed having a formed first extended linear thermoplastic sheet member which is fused to a formed second linear extended thermoplastic sheet member of substantially the same dimensions as the first member to form a composite unit member having two ends and air pockets formed between the two sheets to give buoyancy to the segment. Reinforcing thermoplastic inserts are located between the first and second members at each end of the composite member. Each insert has portions defining a central pinhole and is fused to the first and second members to form reinforced hinged sections. The hinged segments may be connected by pins to form a floating aquatic biomass containment barrier cell or a network of cells. Such a network is effective for the growth and harvesting of small aquatic plants such as the duckweed plant.
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