GB2504660A - Pipe mounting system - Google Patents
Pipe mounting system Download PDFInfo
- Publication number
- GB2504660A GB2504660A GB201211097A GB201211097A GB2504660A GB 2504660 A GB2504660 A GB 2504660A GB 201211097 A GB201211097 A GB 201211097A GB 201211097 A GB201211097 A GB 201211097A GB 2504660 A GB2504660 A GB 2504660A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bracket
- wall
- module
- outer conduit
- modular
- 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
Links
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
- F16L7/00—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
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- 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
- F16L7/00—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
- F16L7/02—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic and sealing the pipes or cables inside the other pipes, cables or sleeves
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
A conduit system comprising an outer conduit 1 and an inner pipe 2 mounted within the outer conduit is provided. The inner pipe is secured to an inner wall 3 of the outer conduit by a number of longitudinally spaced mounting portions secured at intervals along the inner wall of the conduit. Each mounting portion comprises a modular plastics bracket 14 which comprises a plurality of moulded plastics bracket modules 4 each of which has an opening 5. Each bracket further comprises a pair of laterally spaced flange portions 18, 19 arranged on either side of the opening. The plurality of bracket modules is connected to form a channel, formed by the openings of the bracket modules, to receive the inner pipe, and to form a first and second flange on either side of the channel for being connected to the inner all of the outer conduit.
Description
Pipe Mounting System This invention relates to a system for mounting a pipe for carrying fluid such as water or another liquid. More particularly, the invention relates to a system for S mounting a pipe within another pipe or other conduit.
It is known to provide a pipe of relatively small diameter within a pipe of relatively large diameter. This may be so that so that fluid can flow through the inner pipe independently of fluid flowing through the outer pipe, or so that cables, optical fibres or the like can extend through the inner pipe, protected from contact with any fluid passing through the outer pipe. Typically, the smaller diameter pipe has been secured to the inner wall of the larger diameter pipe at intervals with portions of cement.
An object of the present invention is to provide an improved system for securing a pipe to the inner wall of a conduit in which the pipe is positioned.
Viewed from one aspect, the invention provides a conduit arrangement comprising an outer conduit and an inner pipe mounted within the outer conduit, the inner pipe being secured to an inner wall of the outer conduit by means of a number of longitudinally spaced mounting portions secured at intervals along the inner wall of the outer conduit, the inner pipe passing through the mounting portions; wherein each mounting portion comprises a rnoulded plastics bracket having a bore or channel through which the inner pipe passes and a pair of laterally spaced portions, one on either side of the bore, which are attached to the inner wall of the outer conduit.
In some embodiments, the bore through the bracket is at least partially open on a side facing the inner wall of the outer conduit, thus constituting a channel.
In one such embodiment, the bore through the bracket is partially open on the side facing the inner wall of the outer conduit, and partially closed on that side so that there is a portion of the bracket which extends between the inner pipe and the inner wall of the outer conduit.
In one such embodiment the portion of the bracket which extends between the inner pipe and the inner wall of the outer conduit is an extension of one of the laterally spaced portions of the bracket.
S In some embodiments, the inner wall of the outer conduit is curved, and the surfaces of the bracket which face the inner wall of the outer conduit are curved to match the curvature of the inner wall of the outer conduit.
In some embodiments, each of the laterally spaced portions of the bracket is attached to the inner wall of the outer conduit by a threaded fastener which passes through an aperture in the laterally spaced portion and is secured to the inner wall of the outer conduit.
In some embodiments, the inner pipe is secured to the inner wall of the outer conduit by a plurality of longitudinally spaced groups of brackets, in each group there being a plurality of adjacent brackets.
In some such embodiments, the brackets in each group are in contact with each other. In some such embodiments, the brackets in each group are connected to each other. They could be connected mechanically and / or by using adhesives, bonding techniques, sealants and so forth.
In some embodiments a group of brackets is provided pre-assembled and connected together. In some such arrangements, there is effectively a single bracket that has been constructed from a plurality of moulded plastic sub-brackets, each having a bore through which the inner pipe passes and a pair of laterally spaced portions, one on either side of the bore. The complete bracket is attached to the inner wall of the outer conduit, and it is not necessary for there to be a fastener through each individual sub-bracket.
The use of such a modular approach, with individual sub-brackets being connected together to form a complete bracket allows for making a smaller moulding, which is easier to make tooling for and easier to manufacture. The sub-brackets interlock to transmit load and to act as a seal. The fixing holes can be made in whichever of the modular sections is desired, for example by drilling. The other sections can be left undrilled.
In such an arrangement, each individual bracket can be in the form of an open box, S with one open face, one closed face and a peripheral wall. When another bracket is connected to the bracket, the closed face of that other bracket effectively completes the box structure by closing the open face of the first bracket.
Thus, viewed from another aspect there is provided a modular bracket for securing an inner pipe to the inside wall of an outer conduit, comprising a plurality of bracket modules each of which comprises a moulded plastics sub-bracket having a bore or channel adapted to receive the inner pipe, and a pair of laterally spaced portions, one on either side of the bore, which are adapted to engage the inner wall of the outer conduit; the plurality of modules being connected together to form a continuous bore or channel adapted to receive the inner pipe and a continuous portion on either side of the continuous bore adapted to engage the inner wall of the outer conduit.
In use the modular bracket will be positioned inside the outer conduit with the continuous portions engaging the inner wall of the outer conduit, and with at least one fastener passing through each continuous portion so as to attach the modular bracket to the inner wall of the outer conduit.
The use of the word "continuous" is not intended to signify that the bore is entirely without interruptions or that the portions either side of the bore are entirely without interruptions.
The invention also extends to methods of attaching an inner pipe to the inside wall of an outer conduit, using a bracket as described above, comprising the step of positioning a plurality of the brackets to the inside wall of the outer conduit, with their bores aligned, securing the brackets to the inside wall of the outer conduit, and passing the inner pipe through the bores of the brackets.
In preferred embodiments of the invention, the outer conduit is in the form of an outer pipe. Preferably the pipes used in embodiments of the invention are of circular cross section, as are the bores in the brackets. However, other cross sections Viewed from a further aspect, the invention provides a conduit system comprising S an outer conduit and an inner pipe mounted within the outer conduit, the inner pipe being secured to an inner wall of the outer conduit by means of a number of longitudinally spaced mounting portions secured at intervals along the inner wall of the outer conduit, the inner pipe passing through the mounting portions; wherein each mounting portion comprises a modular plastics bracket which is attached to the inner wall of the outer conduit; and wherein the modular plastics bracket comprises a plurality of moulded plastics bracket modules each of which has an opening adapted to receive the inner pipe, and a pair of laterally spaced flange portions, one on either side of the opening, which are adapted to engage the inner wall of the outer conduit; the plurality of bracket modules being connected together so as to form (a) a bore or channel formed by the openings of the bracket modules, adapted to receive the inner pipe, (b) a first flange on a first side of the bore or channel, formed by the flange portions on that first side of the bore or channel, and (c) a second flange on the second side of the bore or channel, formed by the flange portions on that second side of the bore or channel; each of the first and second flanges being connected to the inner wall of the outer conduit.
In some embodiments, each bracket module is in the form of an open box, with one closed face, one open face and a peripheral wall; and the open face of a first bracket module is closed by the closed face of an adjacent second bracket module to which the first bracket module is connected.
In some embodiments, each modular plastics bracket is attached to the inner wall of the outer conduit by at least one fastener which passes through the first flange and into the inner wall of the outer conduit, and at least one fastener which passes through the second flange and into the inner wall of the outer conduit.
In some embodiments, each laterally spaced flange portion of a bracket module is provided with a recess for receiving a fastener to connect the bracket module to the inner wall of the outer conduit; a fastener which passes through the first flange and into the inner wall of the outer conduit is positioned in a recess of a bracket module; and a fastener which passes through the second flange and into the inner wall of the outer conduit is positioned in a recess of a bracket module.
In some embodiments, the inner wall of the outer conduit is curved, the first flange S has a portion which matches the curvature of the inner wall of the outer conduit and is in contact with the inner wall of the outer conduit, and the second flange has a portion which matches the curvature of the inner wall of the outer conduit and is in contact with the inner wall of the outer conduit.
In some embodiments, the longitudinal extent of each bracket module is substantially less than the diameter of the opening of the bracket module.
In some embodiments, each modular bracket comprises at least three bracket modules. In some embodiments, each modular bracket comprises at least five bracket modules.
In some embodiments, within a modular bracket each bracket module is provided with connecting means for connecting the bracket to an adjacent bracket module in the modular bracket.
Viewed from a further aspect, the invention provides a modular bracket for securing an inner pipe to an inner wall of an outer conduit, comprising a plurality of moulded plastics bracket modules each of which has an opening adapted to receive the inner pipe, and a pair of laterally spaced flange portions, one on either side of the opening, which are adapted to engage the inner wall of the outer conduit; the plurality of bracket modules being connected together so as to form (a) a bore or channel formed by the openings of the bracket modules, adapted to receive the inner pipe, (b) a first flange on a first side of the bore or channel, formed by the flange portions on that first side of the bore or channel, and (c) a second flange on the second side of the bore or channel, formed by the flange portions on that second side of the bore or channel.
In some embodiments, each bracket module is in the form of an open box, with one closed face, one open face and a peripheral wall; and the open face of a first bracket module is closed by the closed face of an adjacent second bracket module to which the first bracket module is connected.
In some embodiments, each laterally spaced flange portion of a bracket module is S provided with a recess for receiving a fastener to connect the bracket module to the inner wall of the outer conduit.
In some embodiments, each of the first and second flanges has a curved portion to match the curvature of an inner wall of the outer conduit.
In some embodiments, the longitudinal extent of each bracket module is substantially less than the diameter of the opening of the bracket module.
In some embodiments, the modular bracket comprises at least three bracket modules. In some embodiments, the modular bracket comprises at least five bracket modules.
In some embodiments, each bracket module is provided with connecting means for connecting the bracket to an adjacent bracket module in the modular bracket.
Viewed from a further aspect, the invention provides a moulded plastics bracket module for use in the construction of a modular bracket as described above, comprising an opening adapted to receive a pipe, a pair of laterally spaced flange portions, one on either side of the opening, and connecting means for connecting the bracket module to a like the bracket module to form the modular bracket; wherein the bracket module is in the form of an open box, with one closed face, one open face and a peripheral wall; so that when the bracket module is connected to a like bracket module to form the modular bracket, the open face of the bracket module will be closed by the closed face of the bracket module to which the first bracket module is connected.
In some embodiments, each laterally spaced flange portion of a bracket module is provided with a recess for receiving a fastener to connect the bracket module to an inner wall of a conduit.
In some embodiments, each of the laterally spaced flange portions has a curved part to match the curvature of an inner wall of a conduit.
In some embodiments, the depth of the peripheral wall is substantially less than the diameter of the opening adapted to receive a pipe.
Some embodiments of the invention will now be described by way of example and with reference to the accompanying schematic drawings, in which: Figure 1 is a cross section through an outer pipe, an inner pipe and a bracket for mounting the inner pipe to the outer pipe; Figures 2, 3, 4 and 5 are different perspective views of the bracket; Figures 6 and 7 are different perspective views of a modular bracket in which the bracket of Figures 2, 3, 4 and S are secured together to form the modular bracket; Figures 8 and 9 are enlarged views of parts of the modular bracket, showing how the modular bracket of Figures 6 and 7 is attached to an outer pipe; and Figure 10 is a view of part of an assembly using, a modified bracket.
As shown in Figure 1, an outer pipe 1 has a smaller inner pipe 2 mounted to the inner wall 3 of the outer pipe. This is achieved by means of a bracket 4 having a bore 5 which is open on the side facing the wall of the outer pipe so as to form a channel through which the inner pipe passes. On one side of the channel is a flange portion 6 with a curved surface 7 that matches the curvature of the inner wall of the outer pipe, and engages that inner wall. On the other side of the channel is a flange portion 8 with a curved surface 9 that matches the curvature of the inner wall of the outer pipe, and engages that inner wall. The ends of the flange portions 6 and 7 have recesses 10 and 11 respectively which are covered by portions 12 and 13 which can be drilled through or removed so that holes can be drilled through the bracket to allow a fastener such as a threaded screw or bolt to be used to secure the bracket to the outer pipe.
The bracket 4 can be used individually at spaced locations to secure the inner pipe 2 to the outer pipe 1. However, in an alternative embodiment the bracket 4 is adapted to be joined to other like brackets to form a modular bracket 14 as shown in Figures 6 and 7. The connection between adjacent brackets 4 could be S mechanical, for example using spigots 15 and recesses 16 as shown, and / or effected by adhesive, bonding or the like. The modular bracket 14 has a continuous channel 17, a flange 18 of one side and a flange 19 on the other side It is not necessary to use a fastener to secure each individual bracket to the outer pipe, and as shown in Figures 6, 7, 8 and 9 a single fastener 20 or 21 is used on each side of the bracket, passing though an apertures in the brackets. Additional fasteners could be used if desired.
As is clear in Figure 7, each individual bracket 4 is in the form of an open box with one face 22 closed, and a peripheral wall 23. Corner regions 24 and 25 provide the recesses 11 and 12 for fasteners, and parts of the peripheral wall 23 provide the portions 12 and 13. When another bracket 14 is attached, its closed face 22 effectively forms a complete box structure for the first bracket. The result is a strong structure for the complete modular assembly 14, which is also light.
Figure 10 shows an alternative arrangement for securing the inner pipe 2 to the outer pipe 1. In this case a bracket 26 is similar to bracket 4 is used (or a series of brackets as in Figures 6 to 9). However on one side the flange portion 27 extends further into the channel 28 so that this portion is arranged between the inner pipe 2 and the inner wall 3 of the outer pipe. This bracket 26 can also be combined with like brackets to form a modular bracket. In the case of bracket 4 (and the modular bracket 14) the bracket can be placed over a pipe, or a pipe can be pushed through the bracket when in position. In the case of bracket 26, it cannot be placed over the pipe. In other respects the bracket, or the modular bracket using a series of the brackets, are identical to the bracket and modular bracket as described earlier.
Claims (4)
- CLAIMS1. A conduit system comprising an outer conduit and an inner pipe mounted within the outer conduit, the inner pipe being secured to an inner wall of the outer S conduit by means of a number of longitudinally spaced mounting portions secured at intervals along the inner wall of the outer conduit, the inner pipe passing through the mounting portions; wherein each mounting portion comprises a modular plastics bracket which is attached to the inner wall of the outer conduit; and wherein the modular plastics bracket comprises a plurality of moulded plastics bracket modules each of which has an opening adapted to receive the inner pipe, and a pair of laterally spaced flange portions, one on either side of the opening, which are adapted to engage the inner wall of the outer conduit; the plurality of bracket modules being connected together so as to form (a) a bore or channel formed by the openings of the bracket modules, adapted to receive the inner pipe, (b) a first flange on a first side of the bore or channel, formed by the flange portions on that first side of the bore or channel, and (c) a second flange on the second side of the bore or channel, formed by the flange portions on that second side of the bore or channel; each of the first and second flanges being connected to the inner wall of the outer conduit.
- 2. A conduit system as claimed in claim 1, wherein each bracket module is in the form of an open box, with one closed face, one open face and a peripheral wall; and the open face of a first bracket module is closed by the closed face of an adjacent second bracket module to which the first bracket module is connected.
- 3. A conduit system as claimed in claim 1 or 2, wherein each modular plastics bracket is attached to the inner wall of the outer conduit by at least one fastener which passes through the first flange and into the inner wall of the outer conduit, and at least one fastener which passes through the second flange and into the inner wall of the outer conduit.
- 4. A conduit system as claimed in claim 3, wherein each laterally spaced flange portion of a bracket module is provided with a recess for receiving a fastener to connect the bracket module to the inner wall of the outer conduit; a fastener which passes through the first flange and into the inner wall of the outer conduit is positioned in a recess of a bracket module; and a fastener which passes through the second flange and into the inner wall of the outer conduit is positioned in a recess of a bracket module.6. A conduit system as claimed in any preceding claim, wherein the inner wall of the outer conduit is curved, the first flange has a portion which matches the curvature of the inner wall of the outer conduit and is in contact with the inner wall of the outer conduit, and the second flange has a portion which matches the curvature of the inner wall of the outer conduit and is in contact with the inner wall of the outer conduit.7. A conduit system as darned in any preceding claim, wherein the longitudinal extent of each bracket module is substantially less than the diameter of the opening of the bracket module.8. A conduit system as claimed in any preceding claim, wherein each modular bracket comprises at least three bracket modules.9. A conduit system as claimed in claim 8, wherein each modular bracket comprises at least five bracket modules.10. A conduit system as claimed in any preceding claim, wherein within a modular bracket each bracket module is provided with connecting means for connecting the bracket to an adjacent bracket module in the modular bracket.11. A modular bracket for securing an inner pipe to an inner wall of an outer conduit, comprising a plurality of moulded plastics bracket modules each of which has an opening adapted to receive the inner pipe, and a pair of laterally spaced flange portions, one on either side of the opening, which are adapted to engage the inner wall of the outer conduit; the plurality of bracket modules being connected together so as to form (a) a bore or channel formed by the openings of the bracket modules, adapted to receive the inner pipe, (b) a first flange on a first side of the bore or channel, formed by the flange portions on that first side of the bore or channel, and (c) a second flange on the second side of the bore or channel, formed by the flange portions on that second side of the bore or channel.12. A modular bracket as claimed in claim 11, wherein each bracket module is in the form of an open box, with one closed face, one open face and a peripheral wall; and the open face of a first bracket module is closed by the closed face of an S adjacent second bracket module to which the first bracket module is connected.13. A modular bracket as claimed in claim 11 or 12, wherein each laterally spaced flange portion of a bracket module is provided with a recess for receiving a fastener to connect the bracket module to the inner wall of the outer conduit.14. A modular bracket as claimed in claim 11, 12 or 13, wherein each of the first and second flanges has a curved portion to match the curvature of an inner wall of the outer conduit.15. A modular bracket as clamed in any of claims 11 to 14, wherein the longitudinal extent of each bracket module is substantially less than the diameter of the opening of the bracket module.16. A modular bracket as claimed in any of claims 11 to 15, comprising at least three bracket modules.17. A modular bracket as claimed in claim 16, comprising at least five bracket modules.18. A modular bracket as claimed in any of claims 11 to 18, wherein each bracket module is provided with connecting means for connecting the bracket to an adjacent bracket module in the modular bracket.19. A moulded plastics bracket module for use in the construction of a modular bracket as claimed in claim 11, comprising an opening adapted to receive a pipe, a pair of laterally spaced flange portions, one on either side of the opening, and connecting means for connecting the bracket module to a like the bracket module to form the modular bracket; wherein the bracket module is in the form of an open box, with one closed face, one open face and a peripheral wall; so that when the bracket module is connected to a like bracket module to form the modular bracket, the open face of the bracket module will be closed by the closed face of the bracket module to which the first bracket module is connected.20. A bracket module as claimed in claim 19, wherein each laterally spaced S flange portion of a bracket module is provided with a recess for receiving a fastener to connect the bracket module to an inner wall of a conduit.21. A bracket module as claimed in claim 19 or 20, wherein each of the laterally spaced flange portions has a curved part to match the curvature of an inner wall of a conduit.22. A bracket module as darned in claim 19, 20 or 21, wherein the depth of the peripheral wall is substantially less than the diameter of the opening adapted to receive a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1211097.9A GB2504660B (en) | 2012-06-22 | 2012-06-22 | Pipe mounting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1211097.9A GB2504660B (en) | 2012-06-22 | 2012-06-22 | Pipe mounting system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201211097D0 GB201211097D0 (en) | 2012-08-01 |
| GB2504660A true GB2504660A (en) | 2014-02-12 |
| GB2504660B GB2504660B (en) | 2016-12-14 |
Family
ID=46641353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1211097.9A Expired - Fee Related GB2504660B (en) | 2012-06-22 | 2012-06-22 | Pipe mounting system |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2504660B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016156521A1 (en) * | 2015-04-02 | 2016-10-06 | Trelleborg Industrie Sas | Sea water suction hose system |
| CN110397789A (en) * | 2019-07-08 | 2019-11-01 | 中铁创通建设集团有限公司 | Artificial push pipe guiding pricker auxiliary device and its application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2614025A1 (en) * | 1976-04-01 | 1977-10-06 | Thyssen Plastik Anger Kg | Multi:way cable trunking system with easy access - has duct support discs connected by distance pieces within trunking |
| US20030056844A1 (en) * | 2001-09-27 | 2003-03-27 | Alcatel | Device for fixing a tubular element in an inaccessible cavity |
| US20040146362A1 (en) * | 2001-05-18 | 2004-07-29 | Penza G. Gregory | Method and apparatus for routing cable in existing pepelines |
| US20060016500A1 (en) * | 2002-08-07 | 2006-01-26 | Berry E W Jr | Separated sanitary and storm sewer system |
| KR20110009750A (en) * | 2009-07-23 | 2011-01-31 | 주수영 | Closing plug for end of pipeline |
-
2012
- 2012-06-22 GB GB1211097.9A patent/GB2504660B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2614025A1 (en) * | 1976-04-01 | 1977-10-06 | Thyssen Plastik Anger Kg | Multi:way cable trunking system with easy access - has duct support discs connected by distance pieces within trunking |
| US20040146362A1 (en) * | 2001-05-18 | 2004-07-29 | Penza G. Gregory | Method and apparatus for routing cable in existing pepelines |
| US20030056844A1 (en) * | 2001-09-27 | 2003-03-27 | Alcatel | Device for fixing a tubular element in an inaccessible cavity |
| US20060016500A1 (en) * | 2002-08-07 | 2006-01-26 | Berry E W Jr | Separated sanitary and storm sewer system |
| KR20110009750A (en) * | 2009-07-23 | 2011-01-31 | 주수영 | Closing plug for end of pipeline |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016156521A1 (en) * | 2015-04-02 | 2016-10-06 | Trelleborg Industrie Sas | Sea water suction hose system |
| CN110397789A (en) * | 2019-07-08 | 2019-11-01 | 中铁创通建设集团有限公司 | Artificial push pipe guiding pricker auxiliary device and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2504660B (en) | 2016-12-14 |
| GB201211097D0 (en) | 2012-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20210622 |