[특허]Flexible double-containment piping system for underground storage tanks

Flexible double-containment piping system for underground storage tanks 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-025/24
출원번호	US-0411385 (1989-09-22)
발명자 / 주소	Osborne Keith J. (600 Enterprise Ave. Ste. 218 Oak Brook IL 60521)
인용정보	피인용 횟수 : 58 인용 특허 : 0

초록 ▼

A double piping system connected between an underground storage tank and an above-ground liquid dispenser, e.g. gasoline, provides containment to prevent the pumped liquid from leaking from the underground piping system into the environment. The piping system can be tested or replaced from grade without excavating or breaking ground at the installed tank site. Particularly advantageous assembly and disassembly of the system is provided by a coupling that involves cooperation between a bayonet-type quick-disconnect coupling for the primary piping and a bellows for the secondary piping. The bellows retracts to provide access to the quick-disconnect fitting for replacement of the inner piping. When extended, the bellows is sealably connected with a containment piping coaxial with the primary piping, so as to provide an annular containment volume around the quick-disconnect coupling.

대표청구항 ▼

A piping system for conveying fluid from the outlet port of a pump to the inlet port of an above-ground fluid dispenser, said piping system comprising: a. a pump coupling comprising an inner pump pipe in communication with the outlet port of the pump and an outer piping pump adapter concentric with the inner pipe, b. a dispenser coupling comprising an inner dispenser pipe in communication with the inlet port of the fluid dispenser and an outer piping dispenser adapter concentric with the inner dispenser pipe, c. a primary pipe of flexible material having an inlet end and an outlet end, said inlet end being removably secured to the inner pump pipe and said outlet end being removably secured to the inner dispenser pipe, d. a secondary pipe of flexible material generally surrounding the primary pipe, said secondary pipe having a pump end and a dispenser end, e. secondary connectors, said secondary connectors comprising a secondary pump connector and a secondary dispenser connector, f. said secondary pump connector removably securing the pump end of the secondary pipe to the outer piping pump adapter, said secondary pump connector having a first end in removable sealed communication with the outer piping pump adapter and a second end in communication with the pump end of the secondary pipe, said secondary pump connector being capable of retraction so as to facilitate access to the inner pump pipe and the inlet end of the primary pipe to allow disconnection of the primary pipe from the inner pump pipe when the first end of the secondary pump connector is disconnected from said outer piping pump adapter and the secondary pump connector is retracted, g. said secondary dispenser connector removably securing the dispenser end of the secondary pipe to the outer piping dispenser adapter, said secondary dispenser connector having a first dispenser end in removable sealed communications with the outer piping dispenser adapter and a second dispenser end in communication with the dispenser end of the secondary pipe, said secondary dispenser connector being capable of retraction so as to provide sufficient access to the inner dispenser pipe of the dispenser coupling and the outlet end of the primary pipe to allow disconnection of the primary pipe from the inner dispenser pipe when the first dispenser end is disconnected from said outer piping dispenser adapter and the secondary dispenser connector is retracted, h. a containment chamber which generally surrounds the pump, said containment chamber housing the secondary pump connector, and i. wherein the primary pipe, the secondary pipe, the pump coupling, the dispenser coupling, the secondary dispenser connector and the secondary pump connector define an annular volume that provides containment for the fluid in the event of leakage.

이 특허를 인용한 특허 (58)

Sharp Bruce R., Adapter assembly for accessing primary pipeline of a double wall pipeline system.
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Webb Michael C., Connecting device for pipe assemblies.
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Youngs Andrew, Flexible entry boot.
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Versaw ; Jr. Robert H. ; Mosier James W. ; Nordstrom Daniel P., Integrally formed tank sump with water resistant lid assembly.
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Mosier,James W., Marina piping.
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Nordstrom Daniel P., Matingly engaged flexible entry boot.
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Lehmann Martin,CHX, Method of and apparatus for checking the volume of containers.
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Hutchinson, Ray J.; Halla, Donald D.; Dolson, Richard G.; Hart, Robert P.; Lucas, Richard K.; Reid, Kent D., Power head secondary containment leak prevention and detection system and method.
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Hutchinson,Ray J.; Halla,Donald D.; Dolson,Richard G.; Hart,Robert P.; Lucas,Richard K.; Reid,Kent D., Power head secondary containment leak prevention and detection system and method.
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Hutchinson,Ray J.; Halla,Donald D.; Dolson,Richard G.; Hart,Robert P.; Lucas,Richard K.; Reid,Kent D., Power head secondary containment leak prevention and detection system and method.
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Sharp Bruce R., Safety shut-off valve assembly for a fuel dispenser.
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Youngs Andrew ; Ashcraft Timothy A., Secondary containment flexible underground piping system.
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Hutchinson,Ray J.; Halla,Donald D.; Dolson,Richard G.; Hart,Robert P.; Lucas,Richard K.; Reid,Kent D., Secondary containment leak prevention and detection system and method.
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Hutchinson,Ray J.; Halla,Donald D.; Dolson,Richard G.; Hart,Robert P.; Lucas,Richard K.; Reid,Kent D., Secondary containment leak prevention and detection system and method.
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Hutchinson,Ray J.; Halla,Donald D.; Hart,Robert P.; Dolson,Richard G.; Lucas,Richard K.; Reid,Kent D., Secondary containment leak prevention and detection system and method.
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Hutchinson,Ray J.; Halla,Donald D.; Hart,Robert P.; Dolson,Richard G.; Lucas,Richard K.; Reid,Kent D., Secondary containment leak prevention and detection system and method.
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Hutchinson,Ray J., Secondary containment system and method.
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Hutchinson, Ray J., Service station leak detection and recovery system.
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Hutchinson, Ray J., Service station leak detection with recovery system.
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Bolt, David J.; Ewing, Dale; Reese, Shane; Reid, Kent, Shear valve employing two-stage poppet valve, particularly for use in fueling environments.
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Kane, Kristopher A.; Manger, Peter E.; Kesterman, James E., Spill containment apparatus for storage tanks.
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O'Brien,Patrick E., Spillage containment system and kit for underground storage tanks.
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Lamping Frank G., Structure for protecting a bulkhead fitting.
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Pendleton David R., Sump stabilizer bar.
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Jones, Brent R., System and method for operating a conduit to transport fluid through the conduit.
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Jones, Brent R., System and method for operating a conduit to transport fluid through the conduit.
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Jones, Brent R.; Aznoe, Brian Walter; Firkins, Charles Russell; Finneman, Darrell Ray; Bonicatto, James Michael, System and method for transporting fluid through a conduit.
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Youngs Andrew, System for housing secondarily contained flexible piping.
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Jones, Brent R.; Aznoe, Brian Walter; Firkins, Charles Russell; Finneman, Darrell Ray; Bonicatto, James Michael, System for maintaining temperature of a fluid in a conduit.
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Manger, Peter E.; Kesterman, James E.; McCann, Michael T.; Miller, Tod W., Testable sump apparatus.
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Christensen Jack V. (Castle Rock CO) Bloomstran Ronald T. (Arvada CO), Underground containment for fluid systems.
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O'Brien,Patrick E., Underground storage tank access/isolation riser assembly, method, and kit.
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Reid, Kent D.; Hutchinson, Ray J.; Fricke, Richard; Bolt, David J., Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments.
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Flexible double-containment piping system for underground storage tanks 원문보기

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