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US 5,362,180 AGranted
Floatation boom with collapsible floatation casing
Assignee2910683 Canada Inc.
InventorsDaniel Canning, Serge Fraser
Life of this patent
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Assignee2910683 Canada Inc.
InventorsDaniel Canning, Serge Fraser
Estimating the term…
A containment boom having the shape of an elongated floatable flexible wall member which is capable of being wound on a spool and deployed therefrom as described. The floatable flexible wall member has a vented flotation tubular membrane. A flexible sheet-like skirt member is secured along the tubular membrane along a longitudinal axis thereof. A ballast is secured to a lower elongated edge of the skirt member. The flotation tubular membrane is provided with a plurality of collapsible individual spiral coils disposed internally of the tubular membrane. The membrane support coils are secured to a plurality of bases which are interconnected to one another by a flexible connecting joint or the tubular membrane. A pull cable is secured along a top part of the tubular membrane.
A containment boom comprising an elongated floatable flexible wall member capable of being wound on a reel and deployed therefrom, said floatable flexible wall member having a vented floatation tubular membrane, a flexible sheet-like skirt member secured along said tubular membrane on a longitudinal axis thereof, ballast means secured to a lower elongated edge of said skirt member, said flotation tubular membrane having a plurality of single spiral coils hingedly secured at opposed free ends to a coil support means, said plurality of single spiral coils being collapsible in the direction of said longitudinal axis and in either opposed directions thereof, said support means being connected to said tubular membrane, and pulling means secured to a top part of said flexible wall member.
A containment boom as claimed in claim 5 wherein said support base is constructed of flexible material, said attachment brackets each having spaced apart coil retention means for receiving an end portion of said one of said free ends of opposed coils therein.
Dependencies are inferred from the claim text.