US20040037648A1 - Apparatus and method for providing access to buried pipeline - Google Patents
Apparatus and method for providing access to buried pipeline Download PDFInfo
- Publication number
- US20040037648A1 US20040037648A1 US10/225,374 US22537402A US2004037648A1 US 20040037648 A1 US20040037648 A1 US 20040037648A1 US 22537402 A US22537402 A US 22537402A US 2004037648 A1 US2004037648 A1 US 2004037648A1
- Authority
- US
- United States
- Prior art keywords
- pipe
- access
- curved plate
- lateral
- sewer pipe
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/12—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe using attaching means embracing the pipe
Abstract
Description
- The present invention relates to an apparatus and method for providing access to a buried pipeline.
- Conventional sewer lines include a main pipeline which extends along the street in a direction parallel to the street. Each home has a lateral pipeline that extends from the home and connects to the main pipeline.
- It is often desirable to provide a clean out to the lateral pipeline adjacent the main sewer line. Many lateral pipelines have been buried without such a clean out. In order to provide such a clean out it is necessary to make a wide and extensive excavation so that persons can enter the excavation and attach the clean out pipe to the lateral pipe. This results in considerable disruption of the soil and the yard around the home.
- Therefore a primary object of the present invention is the provision of an improved apparatus and method for providing access to buried pipeline.
- A further object of the present invention is the provision of an apparatus and method for providing access to buried pipelines which creates a minimum of disruption of the soil.
- A further object of the present invention is the provision of an apparatus and method for providing access to buries pipeline which does not require a person to enter the excavation to place the access pipe or clean out pipe to the buried pipeline.
- A further object of the present invention is the provision of a device which is efficient in operation, economical in cost, and simple in construction.
- The foregoing objects may be achieved by a combination including a main sewer pipe located below the surface of the ground and a lateral sewer pipe below the surface of the ground and connected to the main sewer pipe. The lateral pipe includes an interior bore, a surrounding pipe wall, and an outer peripheral surface to the surrounding pipe wall. An access hole is in the surrounding pipe wall of the lateral sewer pipe and provides communication from outside the lateral sewer pipe into the interior bore of the lateral sewer pipe. An access assembly includes a saddle surrounding a portion of the outer peripheral surface of the lateral pipe and an access pipe extending upwardly therefrom. The access pipe includes a lower end extending through the saddle and having an upper end adjacent the surface of the ground. The access pipe also has an internal bore providing communication from the upper end thereof to the lower end thereof to the access hole in the lateral sewer pipe. This results in the internal bore of the access pipe providing access from the upper end thereof to the interior bore of the lateral sewer pipe.
- This access can be used for clean out purposes, but it can also be used for making internal repairs to the lateral sewer pipe. It is possible to invert liner tubes into the lateral sewer pipe through the access pipe in a manner that is commonly used for repairing sewer pipe.
- The saddle of the access assembly comprises a curved plate conforming to the outer peripheral surface of the lateral sewer pipe. The outer peripheral surface of the lateral pipe extends in a circle 360°, and the curved plate surrounds more than 180° of the outer peripheral surface of the lateral sewer pipe.
- The curved plate comprises a flexible material that permits the curved plate to flex in an outward radial direction and then snap back to its original curved configuration during the connection of the curved plate to the outer peripheral surface of the lateral sewer pipe.
- According to another feature of the invention the curved plate includes a concave surface that is substantially concentric to the outer peripheral surface of the lateral sewer pipe. A sealing material provides a fluid tight seal between the concave surface of the curved plate and the outer peripheral surface of the lateral sewer pipe. The sealing material may be a cured resin material. It may be a material that is hydrophilic, hydrophobic, or catalyst activated. It may also be an adhesive, a form of epoxy, or a two-sided tape. It could also be a gasket or a mastic material or any other material that provides a satisfactory seal.
- The method for providing access to the interior bore of the sewer pipe buried beneath the surface of the ground is as follows; the ground is first excavated to expose a portion of the lateral sewer pipe. This excavation can be minimal because all that is necessary is to provide a one to two foot diameter access hole in the ground rather than an excavation that is sufficiently large to permit a person to enter the access hole. Next the installer takes an access assembly having a curved plate forming a concave surface and an access pipe having a lower end connected to the curved plate and providing fluid communication through the curved plate. The concave surface of the curved plate is then attached in facing relation over the outer curved surface of the exposed portion of the buried pipe. The concave surface of the curved plate is sealed to the outer curved surface of the exposed portion of the buried pipe. This sealing may be accomplished in a variety of different ways described above, including the use of an uncured sealing material that cures and hardens to form the seal. Other devices such as two sided tape or gaskets could be used to provide the seal. The final step is the cutting of an access hole in the buried pipe wall of the buried pipe, the access hole providing communication between the lower end of the access pipe and the interior bore of the buried pipe so as to provide access to the interior bore of the buried pipe from the upper end of the access pipe through the lower end of the access pipe and the access hole in the buried pipe wall.
- According to one feature of the invention the method of attachment comprises using a curved plate that extends slightly greater than 180° of a circle. The curved plate is formed from a resilient material. The attaching step includes forcing the concave surface of the curved plate into contact with the outer curved surface of the buried pipe whereby the concave surface will first flex in an outward radial direction and then will flex in an inward radial direction to retentively embrace the outer curved surface of the buried pipe. This step may be done remotely by the installer from above ground merely by pressing down on the upstanding access pipe to snap the curved plate in retentive engagement over the buried pipe. While this snapping attachment is preferred, a curved plate having less than 180° may also be used.
- FIG. 1 is a sectional view showing the buried lateral and main sewer pipe and showing the access assembly for providing access to the interior of the lateral sewer pipe.
- FIG. 2 is a perspective partially exploded view of the access assembly.
- FIG. 3 is a sectional view taken along line3-3 of FIG. 1.
- Referring to the drawings the
numeral 10 designates a main sewer line and thenumeral 12 designates a lateral sewer line, both of which are buried in theground 14 which has anupper surface 16. - An
access assembly 18 provides access to the interior of the buriedlateral sewer pipe 12. Access assembly includes asaddle 20 and anaccess pipe 22. Saddle 20 includes acurved plate 24 having anupstanding boss 26. Thecurved plate 24 has a pair of outwardly flaredflanges 44 adjacent its lower edges as can be seen in FIGS. 2 and 3. Thecurved plate 24 extends slightly more than 180° and is made of a flexible resilient material, preferably plastic which can spread in outward radial direction during the time it is being forced over thelateral sewer pipe 12. After having been forced over thelateral sewer pipe 12, the resiliency of thecurved plate 24 causes it to snap back into its original configuration so that it retentively engages the outer surface of thelateral sewer pipe 12. - The
access pipe 22 includes alower end 28 which is fitted within theupstanding boss 26, and an upper end which is adjacent thesurface 16 of the ground. Extending downwardly through theaccess pipe 22 is anaccess pipe bore 32. The diameter ofaccess pipe 30 may approach the diameter of thelateral sewer pipe 12 so as to provide full access to the interior of thelateral sewer pipe 12. - An
access opening 34 is cut in thelateral sewer pipe 12 so as to provide communication from the internal access pipe bore 32 into the interior of thelateral sewer pipe 12. - A
sealing material 36 provides a fluid tight seal between the concave lower surface of thecurved plate 24 and the convex or curved outer surface of thesewer pipe 12. The sealing material may be a cured resin or other cured hardenable material. It also can be a physical seal such as a gasket or two-sided tape or other material. - The
lower end 28 ofaccess pipe 22 rests on anannular rib 35 which extends around the inside of theupstanding boss 26. Thelower end 28 of theaccess pipe 22 extends inside theboss 26 and is secured there by aflexible sleeve 38 havingclamps clamp screws access pipe 22 to thesaddle 20. While theflexible sleeve 38 and theclamps - Referring to FIG. 3, the manner in which the
saddle 20 snaps over thelateral sewer pipe 12 can be seen. Theline 46 represents the diameter of thelateral sewer pipe 12. As can be seen the lower ends andflanges 44 of thecurved plates 24 extend beyond thediameter line 46 oflateral sewer pipe 12. When the saddle is pressed downwardly theseflanges 44 spread in an outward radial direction and then snap back in place to secure thesaddle 20 to the outer surface of thelateral sewer pipe 12. This can be accomplished remotely by merely pressing downwardly on theupper end 30 of theaccess pipe 22 so as to snap thesaddle 20 in place. - In order to install the
access assembly 18 the first step is to locate thelateral sewer pipe 12 from above ground. This can be accomplished by various means, among which include the conventional use of a camera that is movable within themain sewer line 10 or thelateral sewer pipe 12 and by sensing the location of the camera from above ground by ultrasonic or other means. Once the lateral sewer pipe is located, anexcavation hole 48 is provided. This may be accomplished by numerous boring means such as the use of augers or other materials. However, the preferred method is to use a vacuum excavator manufactured by Vactor Manufacturing under the trade name VACTOR®, at the address of 1621 South Illinois Street, Streator, Ill. 61364. This device excavates a hole and removes the soil from the hole with a minimum of disturbance of the soil. The diameter ofhole 48 need be only large enough to permit the insertion of thesaddle 20 into the hole, and need be only deep enough to expose a portion of the outer surface of thelateral sewer pipe 12. - When the excavation of the hole is completed, the
access assembly 18 is inserted into the hole and pressure is applied on theupper end 30 of theaccess pipe 22 to force thecurved plate 24 and thelower flanges 44 thereon to spread radially outwardly and then snap back into place to secure thesaddle 20 to the outer surface of thesewer pipe 12. This all can be done above ground remotely from the location of the lateral sewer pipe and does not require the installer to enter theaccess hole 48. - Before snapping the
saddle 20 in place, a sealingmaterial 36 is placed on the under surface of thesaddle 20. The sealing material may be an uncured plastic resin or it can be physical sealing means such as gaskets or double-sided tape. Once thesaddle 20 is snapped in place, the sealingmaterial 36 provides a fluid tight seal between thesaddle 20 and thesewer pipe 12. - Next a cutting tool is inserted through the access bore32 into engagement with the outer surface of the
lateral sewer pipe 12. Anaccess hole 34 is cut in the outer surface of thelateral sewer pipe 12 thereby providing communication from above ground into the interior of thelateral sewer pipe 12. The preferred machine for making the access opening 34 is a cutting machine manufactured by Milwaukee Tools under the trade name Diamond coring bits, sold in Grainger Catalog at address of 2701 Ogden Avenue, Downers Grove, Ill. 60515. - After the
access assembly 18 has been secured in place and theaccess hole 34 cut, a cap (not shown) is placed over theupper end 30 of theaccess pipe 22, and the excavatedhole 48 is filled in. This provides an access to the interior of the lateral sewer pipe at any time in the future when it is needed merely by removing the cap and using the access bore 32 to gain access to the interior of thelateral sewer pipe 12. - The use of the present invention does not require the operator to make an excavation hole large enough for the operator to enter the hole and work adjacent the buried lateral sewer pipe. Instead the installer works from above ground, and merely inserts the
access assembly 18 from a remote position above ground. This minimizes the disturbance of the soil around theaccess assembly 18 and is quicker and more easily done than prior methods. - In the drawings and specification there has been set forth a preferred embodiment of the invention, and although specific terms are employed, these are used in a generic and descriptive sense only and not for purposes of limitation. Changes in the form and the proportion of parts as well as in the substitution of equivalents are contemplated as circumstances may suggest or render expedient without departing from the spirit or scope of the invention ask further defined in the following claims.
Claims (6)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/225,374 US6705801B1 (en) | 2002-08-21 | 2002-08-21 | Apparatus and method for providing access to buried pipeline |
PCT/US2003/025869 WO2004018923A1 (en) | 2002-08-21 | 2003-08-19 | Apparatus and method for providing access to buried pipeline |
DK03793107.8T DK1532389T3 (en) | 2002-08-21 | 2003-08-19 | Apparatus and method for accessing a buried pipeline |
CA002493976A CA2493976C (en) | 2002-08-21 | 2003-08-19 | Apparatus and method for providing access to buried pipeline |
AU2003263902A AU2003263902B2 (en) | 2002-08-21 | 2003-08-19 | Apparatus and method for providing access to buried pipeline |
EP03793107.8A EP1532389B8 (en) | 2002-08-21 | 2003-08-19 | Apparatus and method for providing access to buried pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/225,374 US6705801B1 (en) | 2002-08-21 | 2002-08-21 | Apparatus and method for providing access to buried pipeline |
Publications (2)
Publication Number | Publication Date |
---|---|
US20040037648A1 true US20040037648A1 (en) | 2004-02-26 |
US6705801B1 US6705801B1 (en) | 2004-03-16 |
Family
ID=31886992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/225,374 Expired - Lifetime US6705801B1 (en) | 2002-08-21 | 2002-08-21 | Apparatus and method for providing access to buried pipeline |
Country Status (6)
Country | Link |
---|---|
US (1) | US6705801B1 (en) |
EP (1) | EP1532389B8 (en) |
AU (1) | AU2003263902B2 (en) |
CA (1) | CA2493976C (en) |
DK (1) | DK1532389T3 (en) |
WO (1) | WO2004018923A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110038673A1 (en) * | 2009-08-12 | 2011-02-17 | Lmk Enterprises, Inc. | Apparatus and method for providing access to a buried pipe |
ES2370329A1 (en) * | 2009-11-26 | 2011-12-14 | José González Riera | Accessory for pipes. (Machine-translation by Google Translate, not legally binding) |
US8915675B1 (en) * | 2009-11-23 | 2014-12-23 | Longshot Integrity Services, LLC | Access and connection for a buried pipeline |
GB2515351A (en) * | 2013-06-21 | 2014-12-24 | Aaron Michael Ebanks | Quick seal pipe sealer |
WO2020117444A1 (en) * | 2018-12-03 | 2020-06-11 | Lmk Technologies Llc | Apparatus and method for providing access to buried pipeline |
US20210164588A1 (en) * | 2018-03-02 | 2021-06-03 | Fmc Technologies, Inc. | Subsea pipeline with multiple access nodes |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7037043B1 (en) * | 2005-02-14 | 2006-05-02 | Pipe Liners, Inc. | Methods for lining pipes and connecting the lined pipe with adjacent or lateral pipes |
US7343937B2 (en) * | 2005-02-22 | 2008-03-18 | Lmk Enterprises, Inc. | Method of locating liner within sewer pipe |
US7699564B2 (en) * | 2007-05-02 | 2010-04-20 | Tdw Delaware, Inc. | Self-contained keyhold weld fitting and method of use |
US20090194183A1 (en) * | 2008-02-05 | 2009-08-06 | Lmk Enterprises, Inc. | Bladder and method for cured-in-place pipe lining |
US7987873B2 (en) * | 2008-02-06 | 2011-08-02 | Lmk Enterprises, Inc. | Device and method for repairing pipe |
US8418728B1 (en) * | 2008-07-02 | 2013-04-16 | Lmk Enterprises, Inc. | Method of adhering structural elements to polyethylene and like materials |
US9551449B2 (en) * | 2010-05-26 | 2017-01-24 | Lmk Technologies, Llc | Method for creating a seal between pipe liners |
US20120006439A1 (en) * | 2010-07-08 | 2012-01-12 | Lmk Enterprises, Inc. | Method and means for forming a liner |
US20130056104A1 (en) * | 2011-09-02 | 2013-03-07 | David J. Kriens, Jr. | Snap fitting for plumbing |
US20140013828A1 (en) * | 2012-07-16 | 2014-01-16 | Lmk Technologies, Llc | Method and apparatus for testing the seal of a junction liner |
US9879814B1 (en) * | 2014-07-16 | 2018-01-30 | Richard Brent Mackey | Pigging support system |
US10711446B2 (en) | 2017-12-05 | 2020-07-14 | Trenchless Groundwater Movers, LLC | Trenchlessly installed subterranean collector drain for surface and subsurface water |
Family Cites Families (16)
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GB209916A (en) * | 1922-12-09 | 1924-01-24 | Robert Charles Green | Improvements in or relating to the driving mechanism of mangling and wringing machines |
US1908821A (en) * | 1930-04-29 | 1933-05-16 | Chase Companies Inc | Branch-fitting for pipes |
US3649055A (en) * | 1970-06-29 | 1972-03-14 | Norman P Nilsen | Clamp fitting with seal for plastic pipe |
GB2029916B (en) * | 1978-09-12 | 1982-10-06 | Hepworth Plastics Ltd | Branch saddles for plastics pipes |
GB8719594D0 (en) * | 1987-08-19 | 1987-09-23 | Water Res Centre | Hole saw device |
US4894521A (en) * | 1988-11-21 | 1990-01-16 | Central Plastics Company | Electric heating element for fusing thermoplastic materials |
US4966397A (en) * | 1989-09-01 | 1990-10-30 | Mckinnon Robert M | Flexible pipe saddle |
US5020832A (en) * | 1990-04-04 | 1991-06-04 | General Engineering Company | Flexible pipe saddle |
US5360241A (en) * | 1991-08-07 | 1994-11-01 | Npc, Inc. | Universal saddle tee for pipes |
JPH0816519B2 (en) * | 1991-09-04 | 1996-02-21 | 丸東産業株式会社 | Fittings and methods for attaching branch pipes to sewer mains |
DE4226758C2 (en) * | 1992-08-13 | 1995-11-23 | Bayer Ag | Process for the preparation of perfluoroalkylsulfonyl fluorides |
US5613807A (en) * | 1993-03-26 | 1997-03-25 | Tti Trenchless Technologies, Inc. | Apparatus for down hold fusing |
US5364207A (en) * | 1993-03-26 | 1994-11-15 | Reber Cleve C | Method for making service connections to polyethylene pipe |
US5462077A (en) * | 1994-03-31 | 1995-10-31 | Brooklyn Union Gas Co. | Apparatus and method for shutting off fluid flow in a pipe main |
CH687640A5 (en) * | 1994-04-29 | 1997-01-15 | Fischer Georg Rohrleitung | Connection piece for Abzweiganschluesse in a pipeline. |
US6017064A (en) * | 1998-05-07 | 2000-01-25 | Harrington; Donald W. | Apparatus and methods for forming lateral openings in main pipelines and restraining apparatus for main and lateral pipe joints |
-
2002
- 2002-08-21 US US10/225,374 patent/US6705801B1/en not_active Expired - Lifetime
-
2003
- 2003-08-19 DK DK03793107.8T patent/DK1532389T3/en active
- 2003-08-19 WO PCT/US2003/025869 patent/WO2004018923A1/en active IP Right Grant
- 2003-08-19 CA CA002493976A patent/CA2493976C/en not_active Expired - Lifetime
- 2003-08-19 EP EP03793107.8A patent/EP1532389B8/en not_active Expired - Lifetime
- 2003-08-19 AU AU2003263902A patent/AU2003263902B2/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110038673A1 (en) * | 2009-08-12 | 2011-02-17 | Lmk Enterprises, Inc. | Apparatus and method for providing access to a buried pipe |
US8172482B2 (en) * | 2009-08-12 | 2012-05-08 | Lmk Enterprises, Inc. | Apparatus and method for providing access to a buried pipe |
US8454271B2 (en) | 2009-08-12 | 2013-06-04 | Lmk Technologies, Llc | Apparatus and method for providing access to a buried pipe |
US8757930B2 (en) | 2009-08-12 | 2014-06-24 | Lmk Technologies, Llc | Apparatus and method for providing access to a buried pipe |
US9151410B2 (en) | 2009-08-12 | 2015-10-06 | Lmk Technologies, Llc | Apparatus and method for providing access to a buried pipe |
US8915675B1 (en) * | 2009-11-23 | 2014-12-23 | Longshot Integrity Services, LLC | Access and connection for a buried pipeline |
ES2370329A1 (en) * | 2009-11-26 | 2011-12-14 | José González Riera | Accessory for pipes. (Machine-translation by Google Translate, not legally binding) |
GB2515351A (en) * | 2013-06-21 | 2014-12-24 | Aaron Michael Ebanks | Quick seal pipe sealer |
US20210164588A1 (en) * | 2018-03-02 | 2021-06-03 | Fmc Technologies, Inc. | Subsea pipeline with multiple access nodes |
WO2020117444A1 (en) * | 2018-12-03 | 2020-06-11 | Lmk Technologies Llc | Apparatus and method for providing access to buried pipeline |
Also Published As
Publication number | Publication date |
---|---|
DK1532389T3 (en) | 2019-01-14 |
EP1532389A1 (en) | 2005-05-25 |
CA2493976A1 (en) | 2004-03-04 |
AU2003263902A1 (en) | 2004-03-11 |
EP1532389B8 (en) | 2019-03-20 |
CA2493976C (en) | 2009-04-14 |
EP1532389B1 (en) | 2018-09-19 |
WO2004018923A1 (en) | 2004-03-04 |
AU2003263902B2 (en) | 2007-03-08 |
US6705801B1 (en) | 2004-03-16 |
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