Floatation boom with collapsible floatation casing
Patent 5362180 Issued on November 8, 1994. Estimated Expiration Date: 
June 28, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 28, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3798911 3811285 Containment barrier section arrangement Flotation means for barrier for water carried pollutants and method of making same Reel mountable boom arrangement Self-inflating oil spill boom Contamination control boom arrangement Patent #: 4752393 InventorsAssigneeApplicationNo. 082557 filed on 06/28/1993US Classes:405/66, With barrier storage or deployment feature405/63, Floating barrier405/72With reinforcing featureExaminersPrimary: Reese, Randolph A.Assistant: Ricci, John A. International ClassE02B 015/04AbstractA 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. | |
