CN106873110A - Flexible innerduct - Google Patents
Flexible innerduct Download PDFInfo
- Publication number
- CN106873110A CN106873110A CN201710188233.2A CN201710188233A CN106873110A CN 106873110 A CN106873110 A CN 106873110A CN 201710188233 A CN201710188233 A CN 201710188233A CN 106873110 A CN106873110 A CN 106873110A
- Authority
- CN
- China
- Prior art keywords
- innerduct
- flexible
- conduit
- chamber
- yarn
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4459—Ducts; Conduits; Hollow tubes for air blown fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention provides the flexible textile innerducts with multiple longitudinal direction cavitys.Conduit is formed with the flexible textile innerducts placed inside it.After the wherein conduit with flexible textile innerducts is formed, by bury conduit or be placed on interior of articles so as to by catheter installation to using position.Longitudinal cavity is blown into so as to cable is placed among longitudinal cavity of flexible innerduct by using draught line or by by cable.Present invention also offers conduit including the flexible textile innerducts and preparation method thereof.
Description
The application be the applying date on 08 29th, 2007, Application No. 200780032625.4, entitled " led in flexibility
The division of the patent application of pipe ".
Background technology
It is known mounted in installation cable and separation conduit so as to contribute to using textile innerduct in the catheter
Cable.In the art methods using inner catheter, before textile innerduct is installed in conduit, conduit is placed
In its precalculated position.Textile innerduct is installed among conduit by drawing, blowing etc..In inner catheter is installed into conduit it
Afterwards, one or more cable is installed in appropriate innerduct chamber.By blowing cable through inner catheter, using traction band
Or can be installed to cable among inner catheter through inner catheter etc. by pull rope drawing cable.However, the technique is caused in conduit
Once inner catheter is installed after being installed in place larger difficulty.Accordingly, it would be desirable to be able to reduce inner catheter installation difficulty and thus reduce
The device and system of total installation process difficulty.
Brief description of the drawings
Fig. 1 shows that the perspective that can be used on conduit, inner catheter and traction band and/or cable-assembly among the present invention is cutd open
Face figure；With
Fig. 2 shows a block diagram for implementation method for illustrating installation method of the present invention.
Specific embodiment
With reference now to Fig. 1, it is shown that conduit 10, the flexible innerduct 100,200 and 300 being placed therein.Conduit cable
410 and conduit pull line 420 be similarly placed in conduit 10.Flexible conduit 100,200 and 300 has innerduct chamber respectively
110/120/130th, 210/220/230 and 310/320/330.Although flexible innerduct 100,200,300 is described as having many
Individual innerduct chamber, but flexible innerduct 100,200,300 can also have single innerduct chamber, two innerduct chambers, or exceed
The innerduct chamber of two.
It is draught line 111,121,131 or band to be placed among the innerduct chamber 110,120 and 130 of flexible conduit 100
Material.Draught line 111,121 and 131 extends respectively to the whole length of longitudinal cavity of innerduct chamber 110,120 and 130.Traction
Line 111,121 and 131 is for drawing cable through the material rope of corresponding innerduct chamber 110,120 and 130.Another side
Formula, each innerduct chamber of flexible conduit 100 can be empty, such as on flexible innerduct 200 and associated innerduct chambers
210th, the example shown by 220 and 230.In another embodiment, one or more cable can be placed in flexibility and lead
Among each innerduct chamber 110,120 and 130 of pipe 100, such as on being placed on the associated innerduct chambers of flexible innerduct 300
310th, the example shown by the cable 315,325 and 335 among 320 and 330.
As illustrated, flexible innerduct 100,200 and 300 is flexible textile innerducts.Textile innerduct 100 has
Form one or more textile material of innerduct chamber 110,120 and 130.By positioned at the outer side edges of textile innerduct 100
Be combined as a whole for the textile for forming each innerduct chamber 110,120 and 130 by the seam 101 of edge.Similarly, led in textile
Pipe 200 and 300 is respectively or many for combining and being formed associated innerduct chambers 210,220 and 230 and 310,320 and 330
Bar textile material.
Textile innerduct 100 has the basic warp thread being longitudinally oriented along textile innerduct 100, and basic edge and weaving
The weft yarn of the perpendicular trend of product inner catheter 100.In one embodiment, the textile material of textile innerduct 100 is formed
It is plain cloth, it has the upper per inch 33 in longitudinal direction through 520 several denier polyester monofilament warp thread, and the latitude of per inch 32 in broadwise
Several monofilament weft yarns of 520 Denier nylon 6.In another embodiment, the textile material of textile innerduct 100 is formed
Plain cloth, it has per inch 50 through 520 several denier polyester monofilament warp thread, and the number of latitude of per inch 28 350 denier Buddhist nuns
That monofilament weft yarns of nylon 6.In another embodiment, the textile material for forming textile innerduct 100 is plain cloth,
There is per inch 50 to walk the alternate 350 denier Buddhist nun of yarn through 520 several denier polyester monofilament warp thread, and " pick and pick " broadwise for it
That monofilament yarn of nylon 6 and 2 strands (ply) 300 denier polyester multifilament yarn yarn.Although these examples provide possible yarn and
Construction, there is also other possibility, such as use polypropylene.Textile innerduct 200 and 300 can have to be led with textile
The mutually isostructural textile innerduct of pipe 100.
Although being described to be used as the textile innerduct of flexible innerduct 100,200 and 300 according to concrete structure, at this
The textile innerduct of other structures can also be used in invention.For example, the U.S. US 6 announced on October 16th, 2001,
304,698 (" ' 698 patents "), the textile described in " Conduit Insert for Optical Fiber Cable "
Inner catheter can be used as one or more in the flexible textile innerducts 100,200 and 300, and the patent is herein with specific
The mode of reference is generally introduced.As the alternative textile inner catheter described in ' 698 patents can have by layer outward flange
Multiple cavitys that the tissue layer being combined together is formed.Can be a plurality of by what is separated, or the list by folding in the width direction
Bar forms tissue layer.Tissue layer can have different width, therefore form the innerduct chamber with the bias for aperture position.
By strengthening intensity using polyester monofilament warp in the vertical, nylon monofilament is used up in latitude oblique for opening as weft yarn
Folding, the internal cavities formed by the bar with different in width can be positioned under open state.In another embodiment, with containing
The yarn manufacture textile innerduct 100,200 and 300 that the material for having flame-retardant additive is formed, the flame-retardant additive such as three
Poly cyanamid lithate, its extruding is in the yarn so as to be allowed to anti-flammability.It is to be published to David on April 6th, 2004
Entitled " the Fire Resistant Conduit Insert for Optical Fiber Cable's " of Drew Morris
US 6,718, describes to use the embodiments of the present invention of fire proofing in 100, overall by way of specific reference herein to draw
Enter.
With reference now to Fig. 2, it is shown that a block diagram for implementation method of description the inventive method.As illustrated, the side
Method starts from the step of providing flexible innerduct 510, the flexible innerduct 100,200 and 300 in such as Fig. 1.Flexible innerduct
With at least one longitudinal innerduct chamber, but it is also possible to two or more.The flexible innerduct for being provided can be spinning
Fabric inner catheter, such as above according to flexible textile innerducts 100,200 or 300 descriptions for being carried out.There is provided at least one
Flexible innerduct is used for following process, however, can also use the flexible innerduct of two or more in the process.When making
During with many flexible innerducts, they can have same configuration or different configuration.In one embodiment, it is soft what is provided
One or more draught line is placed in the innerduct chamber of property inner catheter.
Provide one or more flexible innerduct the step of 510 after, in step 520 formed conduit and by one or
Many flexible innerducts are placed longitudinally in the catheter.Single flexible innerduct can be placed in conduit, or by many flexibilities
Inner catheter is placed in conduit.Typically, one or more flexible innerduct is placed on conduit while conduit is formed
In, such as in co-extrusion pressure technique.Wherein the conduit with flexible innerduct can be formed as shorter length, such as one (1)
To 50 (50) rice, but length such as 50 (50) to 500 (500) rice or longer more long are formed, benefit more.By one
Root or many flexible innerducts are placed longitudinally allows that flexible innerduct is slided in conduit in conduit.In an embodiment party
In formula, when the flexible innerduct is the textile innerduct with warp thread, the warp thread of textile innerduct is along conduit longitudinal direction
Place, weft yarn is placed with being basically perpendicular to longitudinal broadwise.In one embodiment, conduit is extruded by high density polyethylene (HDPE).
Step 520 also include with the flexible innerduct in conduit add cable outside flexible innerduct within conduit and/or
Cable 410 and draught line 420 in draught line, such as Fig. 1.
After 520 the step of forming conduit and placing flexible innerduct in the catheter, in step 530, wherein having
The catheter installation of flexible innerduct to using the conduit position.In most cases, laying conduit needs on the ground
The groove for conduit is excavated, conduit is put into groove and conduit is buried.However, can also be led for described by the way that conduit is put into
So as to lay conduit in the object channel of pipe.In addition to the steps listed above, methods described may include the step of conduit is formed
The conduit for wherein having flexible innerduct is placed on bobbin or spool before after 520 and 530 the step of laying conduit, is transported
Conduit on defeated bobbin or spool, and in step 530 lay conduit before flexible innerduct is removed from bobbin or spool
The step of.
After the step of laying the conduit wherein with flexible innerduct 530, in step 540, cable is placed into flexibility
In the innerduct chamber of inner catheter.In the first embodiment, by using the draught line being positioned in advance in flexible innerduct chamber
Drawing cable is put in place so as to place cable through flexible innerduct.Another mode, can blow cable flexible to being located at
Position in the innerduct chamber of inner catheter.The step 540 cable being positioned in the innerduct chamber of flexible innerduct can be according to need
Will, be the different innerduct chambers for flexible innerduct and the different innerduct chambers for other flexible innerducts in conduit and
Repeatedly.Additionally, among insertion conduit and the draught line beyond the flexible innerduct can be used after conduit is installed in place
In the other flexible innerducts of drawing or cable.
Claims (26)
1. a kind of flexible innerduct, with the multiple innerduct chambers along its Longitudinal extending,
Wherein, the innerduct chamber is formed by the bar of one or more textile material,
The textile material is included along the warp thread of flexible innerduct longitudinal direction and along flexible innerduct transverse direction
Weft yarn,
Each innerduct chamber is formed by following manner：The textile material is folded to produce the textile material
Be combined side, the side seal that is combined closes the innerduct chamber of correlation and along the Longitudinal extending of the flexible innerduct,
Each innerduct chamber is combined by the seam for being combined side positioned at the textile material,
The multiple innerduct chamber is combined together only along an edge of the inner catheter.
2. flexible innerduct according to claim 1, wherein, the multiple innerduct chamber is combined one by suture
Rise.
3. flexible innerduct according to claim 1, wherein, the multiple innerduct chamber is only in the textile material
The side that is combined is combined together.
4. flexible innerduct according to claim 1, wraps also at least one innerduct chamber of the multiple inner catheter
Include cable.
5. flexible innerduct according to claim 1, also at least one innerduct chamber of the multiple innerduct chamber
Including draught line.
6. flexible innerduct according to claim 1, wherein, the textile material includes plain cloth.
7. flexible innerduct according to claim 1, wherein, the warp thread includes monofilament yarn.
8. flexible innerduct according to claim 7, wherein, the warp thread includes PE yarn.
9. flexible innerduct according to claim 8, wherein, the warp thread includes per inch 50 through 520 several daniers
PE yarn.
10. flexible innerduct according to claim 1, wherein, the weft yarn includes monofilament yarn.
11. flexible innerducts according to claim 10, wherein, the weft yarn includes nylon yarn.
12. flexible innerducts according to claim 10, wherein, the weft yarn also includes polyfilament yarn.
13. flexible innerducts according to claim 12, wherein, the weft yarn includes nylon monofilament yarn and polyester multifilament
Yarn.
14. flexible innerducts according to claim 13, wherein, the weft yarn includes that alternate 350 Denier nylon 6 is single
Gauze line and 2 strand of 300 denier polyester multifilament yarn yarn.
15. flexible innerducts according to claim 1, wherein, each described innerduct chamber is by textile material
Bar is formed.
16. flexible innerducts according to claim 1, wherein, it is combined side described in a bar cladding for textile material
And cover the edge of the innerduct chamber for being combined side.
17. conduits comprising the flexible innerduct described in claim 1-16 any one.
18. conduits according to claim 17, wherein, the conduit includes two or more flexible innerducts, and described two
Individual or multiple flexible innerducts have same configuration or different structure.
A kind of 19. methods, comprise the following steps：
A) flexible innerduct described at least one claim 1 is provided；
B) conduit and flexible innerduct is placed longitudinally in conduit is formed；
C) after the step being placed in conduit in the formation conduit and by flexible innerduct, by leading containing flexible innerduct
Pipe is placed to and uses position；With
D) cable is in place in the longitudinal direction of the flexible innerduct in conduit to after using position by the catheter installation
In innerduct chamber.
20. methods as claimed in claim 19, wherein, it is described offer flexible innerduct the step of include cable is longitudinally put
Put in longitudinal innerduct chamber.
21. methods as claimed in claim 19, wherein, the formation conduit is led with the step of placing flexible innerduct including edge
The placed longitudinally warp thread is managed, and the weft yarn is placed along the direction substantially vertical with the longitudinal direction of conduit.
22. methods as claimed in claim 19, wherein, the formation conduit and it is included in and leads the step of place flexible innerduct
Be placed on inner catheter in conduit simultaneously during being formed by pipe.
23. methods as claimed in claim 22, wherein, it is described to form conduit and include co-extrusion the step of placing flexible innerduct
Provide the conduit of flexible inner catheter.
24. methods as claimed in claim 19, wherein, the step for forming conduit and being placed on flexible innerduct in conduit
It is rapid to include longitudinally being positioned over cable in conduit and be located at outside flexible innerduct.
, be placed on one or more flexible innerducts in conduit while being included in form conduit by the method for 25. manufacture conduits
The step of.
26. methods according to claim 25, the wherein conduit are formed by co-extrusion pressure technique.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84164506P | 2006-08-31 | 2006-08-31 | |
| US60/841,645 | 2006-08-31 | ||
| US11/845,826 US20080054236A1 (en) | 2006-08-31 | 2007-08-28 | Method of installing a conduit, innerduct, and cable |
| US11/845,826 | 2007-08-28 | ||
| CNA2007800326254A CN101512406A (en) | 2006-08-31 | 2007-08-29 | Method of installing a conduit, innerduct, and cable |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800326254A Division CN101512406A (en) | 2006-08-31 | 2007-08-29 | Method of installing a conduit, innerduct, and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106873110A true CN106873110A (en) | 2017-06-20 |
Family
ID=41003520
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710188233.2A Pending CN106873110A (en) | 2006-08-31 | 2007-08-29 | Flexible innerduct |
| CN201611147651.9A Pending CN106772848A (en) | 2006-08-31 | 2007-08-29 | Flexible innerduct |
| CNA2007800326254A Pending CN101512406A (en) | 2006-08-31 | 2007-08-29 | Method of installing a conduit, innerduct, and cable |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611147651.9A Pending CN106772848A (en) | 2006-08-31 | 2007-08-29 | Flexible innerduct |
| CNA2007800326254A Pending CN101512406A (en) | 2006-08-31 | 2007-08-29 | Method of installing a conduit, innerduct, and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106873110A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120073854A1 (en) * | 2010-09-23 | 2012-03-29 | Allen Jerry L | Conduit innerduct having reduced friction and high strength |
| CN104977686B (en) * | 2014-04-14 | 2018-09-25 | 泰科电子(上海)有限公司 | Blow optical fiber micro-pipe, optical cable, the method for being blown into micro-pipe optical cable |
| CN115832986A (en) * | 2018-12-20 | 2023-03-21 | 美利肯公司 | Multi-cavity folded inner catheter structure |
| CN211151396U (en) * | 2018-12-20 | 2020-07-31 | 美利肯公司 | Multi-cavity inner conduit structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350711A (en) * | 1999-06-23 | 2002-05-22 | 马克塔隆公司 | Method and apparatus for dividing a conduit into compartments |
| CN1375071A (en) * | 1999-09-22 | 2002-10-16 | 美利肯公司 | Conduit insert for optical fiber cable |
| DE10204019A1 (en) * | 2002-01-31 | 2003-08-14 | Lothar Hermann | Device for subdividing a tubular hollow space into chambers stretching along a pipe's axis uses a tube insert in the space to reshape and realign the chambers. |
| US20040184749A1 (en) * | 2003-03-20 | 2004-09-23 | Herbst Brian G. | Fiber optic cable and method of manufacturing same |
| CN1679120A (en) * | 2002-08-28 | 2005-10-05 | 费德罗-莫格尔动力系公司 | Cable guide sleeving structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9603991D0 (en) * | 1996-02-26 | 1996-04-24 | Raychem Ltd | Multi-lumen plastics tubing |
| JP2003503996A (en) * | 1999-06-30 | 2003-01-28 | ビュン，ムー−ウォン | Multi-channel duct assembly for cable |
| OA12018A (en) * | 1999-06-30 | 2006-04-19 | Moo-Won Byun | Apparatus for producing multiple channel duct assembly and method thereof. |
| AU2003223368A1 (en) * | 2002-03-29 | 2003-10-20 | Tvc Communications, Llc | Multi-compartment aerial duct |
| KR20070010008A (en) * | 2004-02-20 | 2007-01-19 | 페더럴-모걸 파워트레인, 인코포레이티드 | Low friction traction tape |
-
2007
- 2007-08-29 CN CN201710188233.2A patent/CN106873110A/en active Pending
- 2007-08-29 CN CN201611147651.9A patent/CN106772848A/en active Pending
- 2007-08-29 CN CNA2007800326254A patent/CN101512406A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350711A (en) * | 1999-06-23 | 2002-05-22 | 马克塔隆公司 | Method and apparatus for dividing a conduit into compartments |
| CN1375071A (en) * | 1999-09-22 | 2002-10-16 | 美利肯公司 | Conduit insert for optical fiber cable |
| DE10204019A1 (en) * | 2002-01-31 | 2003-08-14 | Lothar Hermann | Device for subdividing a tubular hollow space into chambers stretching along a pipe's axis uses a tube insert in the space to reshape and realign the chambers. |
| CN1679120A (en) * | 2002-08-28 | 2005-10-05 | 费德罗-莫格尔动力系公司 | Cable guide sleeving structure |
| US20040184749A1 (en) * | 2003-03-20 | 2004-09-23 | Herbst Brian G. | Fiber optic cable and method of manufacturing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106772848A (en) | 2017-05-31 |
| CN101512406A (en) | 2009-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |