US20060185729A1 - Double-walled flexible dispenser sump connection system - Google Patents

Double-walled flexible dispenser sump connection system Download PDF

Info

Publication number
US20060185729A1
US20060185729A1 US11/061,388 US6138805A US2006185729A1 US 20060185729 A1 US20060185729 A1 US 20060185729A1 US 6138805 A US6138805 A US 6138805A US 2006185729 A1 US2006185729 A1 US 2006185729A1
Authority
US
United States
Prior art keywords
flexible connector
dispenser
dispenser sump
fuel
connection system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/061,388
Inventor
Thomas Ingram
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flex Ing Inc
Original Assignee
Flex Ing Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Flex Ing Inc filed Critical Flex Ing Inc
Priority to US11/061,388 priority Critical patent/US20060185729A1/en
Assigned to FLEX-ING, INC. reassignment FLEX-ING, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: INGRAM, THOMAS L.
Publication of US20060185729A1 publication Critical patent/US20060185729A1/en
Priority to US11/679,618 priority patent/US20070137703A1/en
Priority to US12/143,349 priority patent/US7527065B2/en
Priority to US12/435,827 priority patent/US7681586B2/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane
    • F16L23/08—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
    • F16L23/10—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut with a pivoting or swinging pin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B67D7/3209—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid relating to spillage or leakage, e.g. spill containments, leak detection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B67D7/3218—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid relating to emergency shut-off means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1624—Destructible or deformable element controlled
    • Y10T137/1632—Destructible element
    • Y10T137/1654—Separable valve coupling or conduit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/265—Plural outflows
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/5762—With leakage or drip collecting

Definitions

  • This invention relates generally to fuel dispenser sumps used in gas stations and in similar applications, and more particularly to a double-walled flexible dispenser sump connection system that provides a safeguard against leaks from dispenser sumps located beneath the gasoline dispensers.
  • FIG. 1 there is shown a common dispenser sump connection system 10 below a dispenser 12 at a gas station.
  • Fuel is conveyed from a tank 14 through a primary inner pipe 16 , traditionally two inches in diameter, into a dispenser sump 18 below the fuel dispenser 12 .
  • the inner pipe 16 continues through an elbow joint 20 to a connecting inner pipe 22 , which couples to a shear valve 24 located at the bottom of the dispenser 12 .
  • the shear valve 24 prevents fuel spills or leaks in the event that the dispenser 12 is displaced from the dispenser sump 18 .
  • a secondary outer pipe 26 traditionally three inches in diameter, encloses the inner pipe 16 from the tank 14 to the dispenser sump 18 .
  • the outer pipe 26 prevents fuel from entering into and contaminating the groundsoil and/or the atmosphere.
  • the interstitial space between the outer pipe 26 and the inner pipe 16 is either pressurized or vacuum sealed to provide additional protection against leaks.
  • the outer pipe 26 contains any leaks between the tank 12 and the dispenser sump 18 , the outer pipe 26 terminates into a boot at the dispenser sump 18 , leaving the inner pipe 16 is exposed inside the dispenser sump 18 . Therefore, there are no safeguards to detect or contain leaks that occur inside the dispenser sump 18 , which can result in leaks into the groundsoil surrounding the dispenser sump and/or into the atmosphere. Recently, regulations have been passed in several states such as California which require safeguards be installed to prevent leaks from dispenser sumps.
  • an outer and inner flexible connector system provides protection against fuel leakage from the dispenser sump.
  • the inner flexible connector connects the primary inner pipe to the shear valve.
  • the outer flexible connector completely encloses the inner flexible connector from the sump wall to the shear valve. The interstitial space between the outer flexible connector and the inner flexible connector is pressurized and/or be vacuum sealed thereby preventing any fuel leakage into the dispenser sump.
  • the outer and inner flexible connector system can be retrofitted inside existing dispenser sumps at a minimal cost per dispenser.
  • the present invention provides the high level of protection against leakage required by state environmental agencies and eliminates the need for installing an outer sump or retrofitting with a double-walled sump.
  • FIG. 1 is a sectional view illustrating a prior art fuel delivery and dispenser sump connection system
  • FIG. 2 is a sectional view of the double-walled flexible dispenser sump connection system of the present invention
  • FIG. 3 is an exploded perspective view of the dispenser sump connection system shown in FIG. 2 ;
  • FIG. 4 is a sectional view of the dispenser sump connection system shown in FIG. 2 .
  • An inner flexible connector 32 is connected to the inner pipe 16 for completing the conveyance of fuel to the dispenser 12 .
  • An outer flexible connector 34 is installed over and completely encloses the inner flexible connector 32 .
  • the lower end of the outer flexible connector 34 is connected in fluid communication with the outer pipe 26 .
  • the upper end of the outer flexible connector 34 is connected to the shear valve 24 thereby completing the containment of any leaks from either the inner pipe 16 and the inner flexible connector 32 .
  • the interstitial space between the outer flexible connector 34 and the inner flexible connector 32 is either pressurized or vacuum sealed thereby preventing any fuel leakage into the dispenser sump 18 .
  • the inner flexible connector 32 couples to the inner pipe 16 through an elbow joint 36 comprising an inner elbow joint 38 secured to the distal end of the inner pipe and an outer containment clamshell 40 , which glues over the inner elbow joint 38 to contain any leaks that may occur therefrom.
  • the dispenser sump connection system 30 of the present invention may be also be secured directly to the inner and outer pipes 16 and 26 , or by other connection means known to those skilled in the art and suitable for use in fuel and hazardous material delivery systems.
  • FIGS. 3 is an exploded view and FIG. 4 is a sectional view of the dispenser sump connection system 30 .
  • the inner flexible connector 32 threadedly secures into the inner elbow joint 38 , thereby completing the connection of the inner flexible connector 32 to the inner pipe 16 .
  • the top of the inner flexible connector 32 has male threads for threadedly securing the inner flexible connector into the shear valve 24 .
  • the outer flexible connector 34 installs over the inner flexible connector 32 and is connected to the elbow joint 36 by a lower connection ring 42 , which extends around the end of the inner elbow joint 38 .
  • the outer containment clamshell 40 when glued over the inner elbow joint 38 covers and thereby contains the connection of the lower connection ring 42 to the inner elbow joint 38 .
  • the lower end of the outer flexible connector 34 is secured to the lower connection ring 42 by a first hinged circular clamp 44 having a threaded locking mechanism 46 .
  • a gasket 48 is mounted between the outer flexible connector 34 and lower connection ring 42 . Wedge shaped surfaces on the outer flexible connector 34 and on the lower connection ring 42 and corresponding shapes on the inner surfaces of the circular clamp 44 , combined with the gasket 48 , cause the outer flexible connector 34 and the lower connection ring 42 to form a compression seal as the threaded locking mechanism 46 is tightened.
  • the upper end of the outer flexible connector 34 is connected to the shear valve 24 by an upper connection ring 50 .
  • the outer flexible connector 34 is secured to the upper connection ring 50 by a second hinged circular clamp 44 having a threaded locking mechanism 46 .
  • a gasket 48 is positioned between the outer flexible connector 34 and upper connection ring 50 . Wedge shaped surfaces on the outer flexible connector 34 and on the upper connection ring 50 and corresponding shapes on the inner surfaces of the circular clamp 44 , combined with the gasket 48 , cause the outer flexible connector 34 and the upper connection ring 50 to form a compression seal as the threaded locking mechanism 46 is tightened.
  • the upper connection ring 50 comprises female threads for threadedly securing an outer housing 52 of the shear valve 24 thereinto.
  • an orifice 54 which facilitates either vacuum sealing or pressurization of the interstitial space between the inner flexible connector 32 and the outer flexible connector 34 .
  • the lower connection ring 42 , the upper connection ring 50 , and the hinged circular clamps 44 may be formed from stainless steel, bronze, brass, monel, other metals, various polymeric materials, and other materials that will not be adversely affected by the fluid that will flow through the inner and outer flexible connectors 32 and 34 .
  • the inner elbow joint 38 and the outer elbow joint 40 are commercially available parts used in conjunction with fuel delivery systems and other hazardous material delivery systems.

Abstract

A double-walled flexible dispenser sump connection system prevents fuel leaks into a dispenser sump located below a fuel dispenser. An inner flexible connector and an outer flexible connector are configured such that the dispenser sump connection system may be installed on newly constructed fuel delivery systems or be retrofitted onto existing fuel delivery systems in order to bring them into compliance with recently environmental regulations.

Description

    TECHNICAL FIELD
  • This invention relates generally to fuel dispenser sumps used in gas stations and in similar applications, and more particularly to a double-walled flexible dispenser sump connection system that provides a safeguard against leaks from dispenser sumps located beneath the gasoline dispensers.
    • BACKGROUND AND SUMMARY OF THE INVENTION
  • State environmental and energy agencies require strict compliance with laws and regulations regarding fuel storage and conveyance, in particular regarding containment of fuel within the pipes and other components beneath the ground surface at gas stations. Piping systems for conveying the fuel between the underground tanks and dispensers must be pressurized and vacuum sealed to detect and contain leaks therein.
  • Referring to FIG. 1, there is shown a common dispenser sump connection system 10 below a dispenser 12 at a gas station. Fuel is conveyed from a tank 14 through a primary inner pipe 16, traditionally two inches in diameter, into a dispenser sump 18 below the fuel dispenser 12. Once inside the dispenser sump 18 the inner pipe 16 continues through an elbow joint 20 to a connecting inner pipe 22, which couples to a shear valve 24 located at the bottom of the dispenser 12. The shear valve 24 prevents fuel spills or leaks in the event that the dispenser 12 is displaced from the dispenser sump 18.
  • A secondary outer pipe 26, traditionally three inches in diameter, encloses the inner pipe 16 from the tank 14 to the dispenser sump 18. The outer pipe 26 prevents fuel from entering into and contaminating the groundsoil and/or the atmosphere. The interstitial space between the outer pipe 26 and the inner pipe 16 is either pressurized or vacuum sealed to provide additional protection against leaks.
  • Although the outer pipe 26 contains any leaks between the tank 12 and the dispenser sump 18, the outer pipe 26 terminates into a boot at the dispenser sump 18, leaving the inner pipe 16 is exposed inside the dispenser sump 18. Therefore, there are no safeguards to detect or contain leaks that occur inside the dispenser sump 18, which can result in leaks into the groundsoil surrounding the dispenser sump and/or into the atmosphere. Recently, regulations have been passed in several states such as California which require safeguards be installed to prevent leaks from dispenser sumps. Currently the approved safeguards require retrofitting the existing dispenser sump 18 with the equivalent of an outer sump around the dispenser sump within the space between the outer and inner sump being either pressurized or vacuum sealed, or replacing the existing dispenser sump with a double-walled pressurized sump. The cost to install the outer sump or replace the existing sump costs approximately $ 2,000 minimum per dispenser. Considering that most gas stations have multiple dispensers, the cost to retrofit the existing sumps to bring them into compliance can be substantial.
  • The present invention comprises a dispenser sump connection system which overcomes the foregoing and other difficulties which have long since characterized the prior art. In accordance with the broader aspects of the invention, an outer and inner flexible connector system provides protection against fuel leakage from the dispenser sump. The inner flexible connector connects the primary inner pipe to the shear valve. The outer flexible connector completely encloses the inner flexible connector from the sump wall to the shear valve. The interstitial space between the outer flexible connector and the inner flexible connector is pressurized and/or be vacuum sealed thereby preventing any fuel leakage into the dispenser sump.
  • The outer and inner flexible connector system can be retrofitted inside existing dispenser sumps at a minimal cost per dispenser. The present invention provides the high level of protection against leakage required by state environmental agencies and eliminates the need for installing an outer sump or retrofitting with a double-walled sump.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • A more complete understanding of the invention may be had by reference to the following Detailed Description when taken in conjunction with the accompanying Drawings, wherein:
  • FIG. 1 is a sectional view illustrating a prior art fuel delivery and dispenser sump connection system;
  • FIG. 2 is a sectional view of the double-walled flexible dispenser sump connection system of the present invention;
  • FIG. 3 is an exploded perspective view of the dispenser sump connection system shown in FIG. 2;
  • FIG. 4 is a sectional view of the dispenser sump connection system shown in FIG. 2.
    • DETAILED DESCRIPTION
  • Referring now to the Drawings, and particularly to FIGS. 2, 3, and 4 thereof, there is shown the dispenser sump connection system 30 of the present invention. An inner flexible connector 32 is connected to the inner pipe 16 for completing the conveyance of fuel to the dispenser 12. An outer flexible connector 34 is installed over and completely encloses the inner flexible connector 32. The lower end of the outer flexible connector 34 is connected in fluid communication with the outer pipe 26. The upper end of the outer flexible connector 34 is connected to the shear valve 24 thereby completing the containment of any leaks from either the inner pipe 16 and the inner flexible connector 32. The interstitial space between the outer flexible connector 34 and the inner flexible connector 32 is either pressurized or vacuum sealed thereby preventing any fuel leakage into the dispenser sump 18. The flexible connectors 32 and 34 used in conjunction with the present invention are described in detail in currently pending U.S. patent applications Ser. No. 10/689279 filed Oct. 20, 2003; Ser. No. 10/736,416 filed Dec. 15, 2003; and Ser. No.______ filed Jan. 21, 2005 (Attorney Docket Number 200625-1003).
  • In the embodiment shown in FIGS. 2 through 4, the inner flexible connector 32 couples to the inner pipe 16 through an elbow joint 36 comprising an inner elbow joint 38 secured to the distal end of the inner pipe and an outer containment clamshell 40, which glues over the inner elbow joint 38 to contain any leaks that may occur therefrom. The dispenser sump connection system 30 of the present invention may be also be secured directly to the inner and outer pipes 16 and 26, or by other connection means known to those skilled in the art and suitable for use in fuel and hazardous material delivery systems.
  • FIGS. 3 is an exploded view and FIG. 4 is a sectional view of the dispenser sump connection system 30. The inner flexible connector 32 threadedly secures into the inner elbow joint 38, thereby completing the connection of the inner flexible connector 32 to the inner pipe 16. The top of the inner flexible connector 32 has male threads for threadedly securing the inner flexible connector into the shear valve 24. The outer flexible connector 34 installs over the inner flexible connector 32 and is connected to the elbow joint 36 by a lower connection ring 42, which extends around the end of the inner elbow joint 38. The outer containment clamshell 40 when glued over the inner elbow joint 38 covers and thereby contains the connection of the lower connection ring 42 to the inner elbow joint 38.
  • The lower end of the outer flexible connector 34 is secured to the lower connection ring 42 by a first hinged circular clamp 44 having a threaded locking mechanism 46. A gasket 48 is mounted between the outer flexible connector 34 and lower connection ring 42. Wedge shaped surfaces on the outer flexible connector 34 and on the lower connection ring 42 and corresponding shapes on the inner surfaces of the circular clamp 44, combined with the gasket 48, cause the outer flexible connector 34 and the lower connection ring 42 to form a compression seal as the threaded locking mechanism 46 is tightened.
  • The upper end of the outer flexible connector 34 is connected to the shear valve 24 by an upper connection ring 50. The outer flexible connector 34 is secured to the upper connection ring 50 by a second hinged circular clamp 44 having a threaded locking mechanism 46. A gasket 48 is positioned between the outer flexible connector 34 and upper connection ring 50. Wedge shaped surfaces on the outer flexible connector 34 and on the upper connection ring 50 and corresponding shapes on the inner surfaces of the circular clamp 44, combined with the gasket 48, cause the outer flexible connector 34 and the upper connection ring 50 to form a compression seal as the threaded locking mechanism 46 is tightened. The upper connection ring 50 comprises female threads for threadedly securing an outer housing 52 of the shear valve 24 thereinto.
  • Near the upper end of the outer flexible connector 34 is an orifice 54 which facilitates either vacuum sealing or pressurization of the interstitial space between the inner flexible connector 32 and the outer flexible connector 34.
  • The lower connection ring 42, the upper connection ring 50, and the hinged circular clamps 44 may be formed from stainless steel, bronze, brass, monel, other metals, various polymeric materials, and other materials that will not be adversely affected by the fluid that will flow through the inner and outer flexible connectors 32 and 34. The inner elbow joint 38 and the outer elbow joint 40 are commercially available parts used in conjunction with fuel delivery systems and other hazardous material delivery systems.
  • Although preferred embodiments of the invention have been illustrated in the accompanying Drawings and described in the foregoing Detailed Description, it will be understood that the invention is not limited to the embodiments disclosed, but is capable of numerous rearrangements, modifications, and substitutions of parts and elements without departing from the spirit of the invention.

Claims (6)

1. For use in conjunction with a fuel supply system comprising a piping system having an inner pipe and an outer pipe, the inner pipe for conveying fuel between a tank and a dispenser and the outer pipe surrounding the inner pipe for containment of leaks therefrom, a dispenser having a shear valve at the bottom thereof for directing fuel into the dispenser, and a dispenser sump located beneath the dispenser, a dispenser sump connection system for preventing fuel leaks into the dispenser sump comprising:
an inner flexible connector coupled between the inner pipe and the shear valve for completing the conveyance of fuel into the dispenser;
an outer flexible connector coupled between the outer pipe and the shear valve enclosing the inner flexible connector and containing any fuel leaks therefrom; and
means for maintaining a predetermined pressure within the interstitial space between the inner flexible connector and the outer flexible connector.
2. The dispenser sump connection system of claim 1 wherein pressure maintaining means includes an orifice located at the upper end of the outer flexible connector.
3. The dispenser sump connection system of claim 1 wherein the inner flexible connector is threadedly secured to an inner elbow joint fastened to the distal end of the inner pipe and an outer containment clamshell which is secured around the inner elbow joint.
4. The dispenser sump connection system of claim 1 wherein the inner flexible connector is threadedly secured to the shear valve.
5. The dispenser sump connection system of claim 1 further comprising:
a first connection ring for coupling the outer flexible connector over the distal end of the inner pipe;
a gasket seated between the first connection ring and the outer flexible connector for facilitating a pressure seal; and
a clamping ring having a threaded locking device for securing and compressing the outer flexible connector and the first connection ring together.
6. The dispenser sump connection system of claim 5 further comprising:
a second connection ring for coupling the outer flexible connector to an outer housing of the shear valve;
a gasket seated between the second connection ring and the outer flexible connector for facilitating a pressure seal; and
a clamping ring having a threaded locking device for securing and compressing the outer flexible connector and the outer housing of the shear valve together.
US11/061,388 2005-02-18 2005-02-18 Double-walled flexible dispenser sump connection system Abandoned US20060185729A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US11/061,388 US20060185729A1 (en) 2005-02-18 2005-02-18 Double-walled flexible dispenser sump connection system
US11/679,618 US20070137703A1 (en) 2005-02-18 2007-02-27 Double-walled flexible dispenser sump connection system
US12/143,349 US7527065B2 (en) 2005-02-18 2008-06-20 Double-walled flexible dispenser sump connection system
US12/435,827 US7681586B2 (en) 2005-02-18 2009-05-05 Double-walled flexible dispenser sump connection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/061,388 US20060185729A1 (en) 2005-02-18 2005-02-18 Double-walled flexible dispenser sump connection system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/679,618 Continuation US20070137703A1 (en) 2005-02-18 2007-02-27 Double-walled flexible dispenser sump connection system

Publications (1)

Publication Number Publication Date
US20060185729A1 true US20060185729A1 (en) 2006-08-24

Family

ID=36911365

Family Applications (4)

Application Number Title Priority Date Filing Date
US11/061,388 Abandoned US20060185729A1 (en) 2005-02-18 2005-02-18 Double-walled flexible dispenser sump connection system
US11/679,618 Abandoned US20070137703A1 (en) 2005-02-18 2007-02-27 Double-walled flexible dispenser sump connection system
US12/143,349 Expired - Fee Related US7527065B2 (en) 2005-02-18 2008-06-20 Double-walled flexible dispenser sump connection system
US12/435,827 Active US7681586B2 (en) 2005-02-18 2009-05-05 Double-walled flexible dispenser sump connection system

Family Applications After (3)

Application Number Title Priority Date Filing Date
US11/679,618 Abandoned US20070137703A1 (en) 2005-02-18 2007-02-27 Double-walled flexible dispenser sump connection system
US12/143,349 Expired - Fee Related US7527065B2 (en) 2005-02-18 2008-06-20 Double-walled flexible dispenser sump connection system
US12/435,827 Active US7681586B2 (en) 2005-02-18 2009-05-05 Double-walled flexible dispenser sump connection system

Country Status (1)

Country Link
US (4) US20060185729A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060191569A1 (en) * 2005-02-18 2006-08-31 Veeder-Root Company Double-walled contained shear valve, particularly for fueling environments
US20060191568A1 (en) * 2005-02-18 2006-08-31 Veeder-Root Company Double-walled contained shear valve, particularly for fueling environments
US20060249204A1 (en) * 2005-02-18 2006-11-09 Veeder-Root Company Shear valve employing two-stage poppet valve, particularly for use in fueling environments
US20060260680A1 (en) * 2005-04-26 2006-11-23 Veeder-Root Company Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments
US20090070981A1 (en) * 2007-09-14 2009-03-19 Aisan Kogyo Kabushiki Kaisha Component mounting structures
US20110138731A1 (en) * 2010-08-24 2011-06-16 Mitsubishi Heavy Industries, Ltd. Wind turbine generator and construction method for wind turbine tower

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6922893B2 (en) * 2003-10-20 2005-08-02 Flex-Ing, Inc. Flexible connectors and methods of manufacturing same
US20110192468A1 (en) * 2010-02-09 2011-08-11 Kravis Mark L Under dispenser containment system with integral penetration fittings and separate fitting support structure
US8967186B2 (en) * 2012-09-13 2015-03-03 Jeffrey Scott Adler Fluid spill containment, location, and real time notification device and system
WO2016100537A1 (en) * 2014-12-17 2016-06-23 Eaton Corporation Connection for pneumatic tubes
US9745932B2 (en) 2015-09-16 2017-08-29 Ford Global Technologies, Llc Flexible and stress compensating fuel line connector

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932257A (en) * 1987-10-01 1990-06-12 Webb Michael C Double wall piping system
US5018768A (en) * 1990-07-19 1991-05-28 Quikcoup, Incorporated Pipe coupling hinge
US5060509A (en) * 1987-10-01 1991-10-29 Webb Michael C Secondary containment system using flexible piping
US5529098A (en) * 1992-02-14 1996-06-25 Bravo; Sergio M. Gasoline containment systems with leak-resistant plastic fittings
US6032699A (en) * 1997-05-19 2000-03-07 Furon Company Fluid delivery pipe with leak detection
US6116817A (en) * 1988-12-20 2000-09-12 Pisces By Opw, Inc. Hydrocarbon fuel piping system with a flexible inner pipe and an outer pipe
US20040035464A1 (en) * 2002-08-23 2004-02-26 Folkers Joie L. Contained pipeline system with brine filled interstitial space and method for detecting leakage in same
US6823886B2 (en) * 2001-09-13 2004-11-30 S. Bravo Systems, Inc. Dispenser containment

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2172532A (en) * 1939-09-12 Hose connection and method of
US1969203A (en) * 1932-06-14 1934-08-07 Goodrich Co B F Hose coupling and method of making the same
US2216468A (en) * 1938-04-06 1940-10-01 Chicago Metal Hose Corp Method of making a coupling connection
US2363586A (en) * 1943-04-17 1944-11-28 Packless Metal Products Corp Flexible tube coupling
US2357669A (en) * 1943-06-26 1944-09-05 Philip L Lake Removable fitting for corrugated flexible hose
US2556544A (en) * 1946-07-13 1951-06-12 Chicago Metal Hose Corp Coupling connection
US2583956A (en) * 1947-04-03 1952-01-29 Chicago Metal Hose Corp Coupling structure
US2848254A (en) * 1950-05-01 1958-08-19 Millar John Humphrey End fittings for flexible metallic hose
US2987329A (en) * 1958-07-11 1961-06-06 Packless Metal Hose Inc Corrugated metal hose connections
US3023496A (en) * 1958-09-05 1962-03-06 Engineering Developments Inc Method of welding flexible metal pipe units and end fittings without the addition of weld material
US3565116A (en) * 1968-09-12 1971-02-23 White Motor Corp Safety hose and fitting assembly
US4141576A (en) * 1977-08-23 1979-02-27 Lupke Manfred Arno Alfred Heat shrinkable sleeve for coupling pipe sections
GB1604444A (en) * 1977-09-30 1981-12-09 Raychem Ltd Heatrecoverable articles
US4578855A (en) * 1982-07-21 1986-04-01 Eagle-Picher Industries, Inc. Article and method for connecting a remote air cleaner to a carburetor or an engine fuel metering device or system
US4693501A (en) * 1986-07-23 1987-09-15 American Standard Inc. Refrigeration tubing joint
US5209267A (en) * 1988-05-31 1993-05-11 Dana Corporation Convoluted hose end assembly
US5256233A (en) * 1989-09-11 1993-10-26 Dayco Products, Inc. Flexible hose construction and method of making the same
US5069253A (en) * 1990-01-08 1991-12-03 Hadley Benjamin H Flexible hose assembly
US5233739A (en) * 1990-07-30 1993-08-10 Dayco Products, Inc. Adhesive bonding expanded insert hose construction assembly
US5511720A (en) * 1992-06-02 1996-04-30 Swagelok Quick-Connect Co. Flexible metal hose connector and method of forming same
US5335945A (en) * 1992-07-14 1994-08-09 Tuf-Tite, Inc. Flexible pipe connector
ES2123754T3 (en) * 1992-12-18 1999-01-16 Dayco Products Inc COUPLING ORGAN FOR HOSE.
US5803511A (en) * 1995-05-30 1998-09-08 Titeflex Corporation Adaptors and method of attaching metal braid reinforced convoluted metal hoses to such adaptors
US5769463A (en) * 1996-07-05 1998-06-23 Tru-Flex Metal Hose Corp. Heat and vibration resistant flexible metal hose assembly
US5894866A (en) * 1997-07-31 1999-04-20 Dayco Products, Inc. Garden hose assembly having holding means adapted to be coiled around an associated support and method of making same
US5975110A (en) * 1997-09-18 1999-11-02 Sharp; Bruce R. Adapter assembly for accessing primary pipeline of a double wall pipeline system
DE19750300A1 (en) * 1997-11-13 1999-06-02 Alfa Laval Lkm A S Double seat valve
DE19805437A1 (en) * 1998-02-11 1999-08-12 Bosch Gmbh Robert Dosing device for free-flowing bulk goods
US6092274A (en) * 1998-02-26 2000-07-25 40 Properties Management, Ltd Metal hose fitting and method of making
CA2276635A1 (en) * 1998-10-06 2000-04-06 Dover Corporation Sump stabilizer bar
US6230735B1 (en) * 1998-12-04 2001-05-15 Sergio M. Bravo Valve jacket
US6056332A (en) * 1999-03-09 2000-05-02 Foster; Clark Clamping apparatus
NL1011651C2 (en) * 1999-03-23 2000-09-27 Petrus Johannes Bus Tubing for chemical liquids, in particular oil products, such as fuels.
EP1078856A1 (en) * 1999-06-04 2001-02-28 Tetra Laval Holdings & Finance S.A. Three-way antimix valve for a pourable food product packaging machine
US6546951B1 (en) * 2000-06-05 2003-04-15 John G. Armenia Appliance safety hose
US6446661B2 (en) * 2000-06-05 2002-09-10 John G. Armenia Push-on safety hose
US6672327B1 (en) * 2000-07-28 2004-01-06 Hiltap Fittings, Ltd. Dry break valve assembly
US6378914B1 (en) * 2000-08-11 2002-04-30 Properties Management, Ltd. Hose end fitting
DE10104449C2 (en) * 2001-02-01 2003-11-13 Eaton Fluid Power Gmbh Corrugated pipe hose fitting
US7178836B2 (en) * 2001-02-27 2007-02-20 Dana Corporation Fluid couplings
US6962269B2 (en) * 2002-06-18 2005-11-08 Gilbarco Inc. Service station leak detection and recovery system
JP2004060672A (en) * 2002-07-24 2004-02-26 Tokai Rubber Ind Ltd Connection structure of hose with bellows metallic conduit
US7014216B2 (en) * 2003-04-29 2006-03-21 Thc International, Llc Joint assembly for flexible and semi-rigid pipings
US6922893B2 (en) * 2003-10-20 2005-08-02 Flex-Ing, Inc. Flexible connectors and methods of manufacturing same
US7140648B2 (en) * 2003-10-20 2006-11-28 Flex-Ing, Inc. Flexible connectors and methods of manufacturing same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932257A (en) * 1987-10-01 1990-06-12 Webb Michael C Double wall piping system
US5060509A (en) * 1987-10-01 1991-10-29 Webb Michael C Secondary containment system using flexible piping
US5060509B1 (en) * 1987-10-01 1994-09-20 Total Containment Inc Secondary containment system using flexible piping
US6116817A (en) * 1988-12-20 2000-09-12 Pisces By Opw, Inc. Hydrocarbon fuel piping system with a flexible inner pipe and an outer pipe
US5018768A (en) * 1990-07-19 1991-05-28 Quikcoup, Incorporated Pipe coupling hinge
US5529098A (en) * 1992-02-14 1996-06-25 Bravo; Sergio M. Gasoline containment systems with leak-resistant plastic fittings
US6032699A (en) * 1997-05-19 2000-03-07 Furon Company Fluid delivery pipe with leak detection
US6823886B2 (en) * 2001-09-13 2004-11-30 S. Bravo Systems, Inc. Dispenser containment
US20040035464A1 (en) * 2002-08-23 2004-02-26 Folkers Joie L. Contained pipeline system with brine filled interstitial space and method for detecting leakage in same

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8096315B2 (en) 2005-02-18 2012-01-17 Veeder-Root Company Double-walled contained shear valve, particularly for fueling environments
US20060249204A1 (en) * 2005-02-18 2006-11-09 Veeder-Root Company Shear valve employing two-stage poppet valve, particularly for use in fueling environments
US7681583B2 (en) 2005-02-18 2010-03-23 Veeder-Root Company Double-walled contained shear valve, particularly for fueling environments
US20060191568A1 (en) * 2005-02-18 2006-08-31 Veeder-Root Company Double-walled contained shear valve, particularly for fueling environments
US7753067B2 (en) 2005-02-18 2010-07-13 Veeder-Root Company Shear valve employing two-stage poppet valve, particularly for use in fueling environments
US20060191569A1 (en) * 2005-02-18 2006-08-31 Veeder-Root Company Double-walled contained shear valve, particularly for fueling environments
US8387646B2 (en) 2005-02-18 2013-03-05 Veeder-Root Company Double-walled contained shear valve, particularly for fueling environments
US8291928B2 (en) * 2005-04-26 2012-10-23 Veeder-Root Company Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments
US20060260680A1 (en) * 2005-04-26 2006-11-23 Veeder-Root Company Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments
US7946309B2 (en) * 2005-04-26 2011-05-24 Veeder-Root Company Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments
US20120042967A1 (en) * 2005-04-26 2012-02-23 Reid Kent D Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments
US20090070981A1 (en) * 2007-09-14 2009-03-19 Aisan Kogyo Kabushiki Kaisha Component mounting structures
US8572828B2 (en) * 2007-09-14 2013-11-05 Aisan Kogyo Kabushiki Kaisha Component mounting structures
US20110138731A1 (en) * 2010-08-24 2011-06-16 Mitsubishi Heavy Industries, Ltd. Wind turbine generator and construction method for wind turbine tower

Also Published As

Publication number Publication date
US20090211646A1 (en) 2009-08-27
US7527065B2 (en) 2009-05-05
US7681586B2 (en) 2010-03-23
US20070137703A1 (en) 2007-06-21
US20080245417A1 (en) 2008-10-09

Similar Documents

Publication Publication Date Title
US7527065B2 (en) Double-walled flexible dispenser sump connection system
US5553971A (en) Double-containment underground piping system
US5098221A (en) Flexible double-containment piping system for underground storage tanks
US4971477A (en) Secondary contained fluid supply system
AU696049B2 (en) Pipe coupling assembly, system and method
US5713607A (en) Pipe coupling assembly, system and method
WO1993017266A1 (en) Environmentally safe underground piping system
WO1994016987A1 (en) Improved double containment piping system and centralization seal therefor
US11668424B2 (en) Rigid entry fitting for flexible pipe
US20060290137A1 (en) Threaded coupling for receptacles, such as expansion vessels, tanks and the like
US20090199927A1 (en) Tank entry fitting for use in a fuel dispensing system
EP2761218B1 (en) Line and delivery system having such a line
JP5104236B2 (en) Hose fitting for hydrogen filling
US6488316B1 (en) Flexible metal hose termination fitting with adapter for termination plate
US7104727B1 (en) Piping system with transition coupling
CA2101818A1 (en) Double wall fittings for use with double wall pipeline systems
US20050169710A1 (en) Containment system
JP2933094B2 (en) Flexible double containment piping system for underground storage tanks.
GB2276924A (en) Combined flange and seal

Legal Events

Date Code Title Description
AS Assignment

Owner name: FLEX-ING, INC., TEXAS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INGRAM, THOMAS L.;REEL/FRAME:016311/0422

Effective date: 20050217

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION