CN101320905A - Method for producing spigot-and-socket porous cable pipe - Google Patents
Method for producing spigot-and-socket porous cable pipe Download PDFInfo
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- CN101320905A CN101320905A CNA200810062697XA CN200810062697A CN101320905A CN 101320905 A CN101320905 A CN 101320905A CN A200810062697X A CNA200810062697X A CN A200810062697XA CN 200810062697 A CN200810062697 A CN 200810062697A CN 101320905 A CN101320905 A CN 101320905A
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Abstract
The invention provides a producing method of adapting-formed porous cable channel, technology and process thereof comprise: after the last one producing procedure of straight-wall porous cable channel products, firstly, increasing a cut internal spermatic technology including removing internal spermatic of a channel end of the straight-wall porous cable channel according to length of adapting-formed sleeve/cutting depth based on a machine tool by using spermatic removing knife of the cable channel, leaving the external spermatic, then heating channel end, expanding channel opening, forming the channel end having removed internal spermatic into an adapting-formed end by using a forming module of the adapting-formed end, and grooving the channel end special for the porous cylindrical cable channel. The technical solution is provided with simple technology and convenient operation, regarding as necessary producing technology and process of adapting-formed porous cable channel products when producing unnecessary matched channel connection sleeves, obviously reducing number at connection point of cable channel, not bringing shrinkage and blockage of channel hole/sub-hole when fusing cable channel, not bringing misplacement phenomenon when connecting/fusing cable channel, further as an important path for improving technical level of cable channel and perfecting production structure thereof.
Description
Technical field:
The present invention relates to telecommunications equipment production technology, especially can feed the cable tube product processes of electric power or telecommunication cable.
Background technology:
Existing cable tube is a kind of main straight wall type tube material that is raw materials for production with engineering plastics, takes off by fixed length in production procedure.Article two, the connection of cable tube is each with pipe end opposite to each other insertion tube to connect two ports of cover accessory interconnective.This traditional straight wall type cable tube product and structure, owing to must the adapted pipe connect and overlap accessory and could connect, not only, obviously wasted and be at least the production material that a semicanal connects the cover accessory, and cable tube of every connection need engage two places, makes cable tube junction quantity obviously too much, to cable tube construct with burying brought inconvenience, increased workload, also can increase engineering cost, influence project quality.
Especially the porous circular cylinder cable tube when connecting, tends to take place pore and connects inconsistent phenomenon.
A kind ofly be provided with the socket and spigot type cable tube of socket joint cover at pipe end, just can remedy cable tube of waste material, every connection that straight wall type cable tube product obviously exists need engage twice, can cause pore to dwindle during directly with the end face welding porous cable pipe of two pipe ends and deficiency such as obstruction.Connect inconsistent phenomenon because straight wall type single hole cable tube has only a pore and pore can not take place, it is shaped to socket and spigot type single hole cable tube ratio is easier to, as long as directly by " heating pipe end " and " the expansion mouth of pipe " technology.But to there be outer muscle and interior muscle, pore branch that the straight wall type porous cable pipe in a plurality of sub-holes is arranged pipe muscle branch, be shaped to socket porous cable pipe, difficulty how by contrast, need to such an extent that remove the interior muscle of its pipe end earlier, could continue " heating pipe end " and " the expansion mouth of pipe ", also do not have at present the cutter of removing internal ribs of porous cable pipe, therefore, product does not emerge so far as yet.
As seen, market is just needing a kind of socket porous cable pipe product, and cable tube manufacturing enterprise is just needing a kind of can production the needs adapted pipe to connect cover, the production technology that pore connects the socket porous cable pipe product of inconsistent phenomenon can not take place.
Summary of the invention:
The purpose of this invention is to provide a kind of method for producing spigot-and-socket porous cable pipe, its objective is such realization: last one fixed length intercepting production process of the straight wall type porous cable pipe product that continues, increased muscle technology and operation in the cutting before this, the first step, cable tube is removed the muscle cutter, be installed on the lathe to clamp handle of a knife, perhaps, to press from both sides the post handle of a knife and can be installed on the lathe parallel moving on the lathe, and the cable tube anchor clamps are installed on the lathe, perhaps, being installed on the lathe parallel moving on the lathe, second step, straight wall type porous cable pipe is sandwiched in cable tube anchor clamps internal fixation with pipe end, if cable tube removes the muscle cutter, it is a kind of confinement block and confinement block sidewall keep just having put into degree with the peripheral clearance between the inwall of neutron hole cutter that is provided with, straight again wall type porous cable pipe, it is the body that a kind of pore branch has the neutron hole, should adjust to the confinement block degree that reaches freely in the neutron hole of coming in and going out fixes, perhaps, if cable tube removes the muscle cutter, it is a kind of cutter that is not provided with confinement block, then should adjust to the tool rest sidewall can fix with the outer muscle inwall fit degree freely of straight wall type porous cable pipe, the 3rd step, start lathe work, the blade that the drive cable tube removes the muscle cutter rotates with tool rest, accompany parallel forward the moving of cable tube anchor clamps of straight wall type porous cable pipe, perhaps, driving cable tube moves except that the muscle cutter is parallel forward, blade rotates with tool rest, respectively with muscle in the cutting of the bottom surface edge of a knife, keep outer muscle here, repair with the side edge of a knife and to cut crumb residual on the outer muscle, stop cutting in the time of on the interior muscle plane of pipe end is inwardly passed by the cutting depth position of predetermined socket joint cover length setting, withdraw from cable tube except that the muscle cutter with parallel backward the moving of cable tube anchor clamps, perhaps, remove parallel backward the moving of muscle cutter with cable tube and withdraw from pipe end, in the 4th step, open immediately and go up fixture block, take off the straight wall type porous cable pipe of having removed interior muscle from following fixture block; Be to increase the heating pipe end again, expansion mouth of pipe technology and operation, the 5th step, the straight wall type porous cable pipe of interior muscle will have been removed, putting into oven with the pipe end of having removed interior muscle toasts, it is softening to expansible degree taking-up to heat outer muscle, the 6th step, will be through the straight wall type porous cable pipe of heating pipe end taking-up, put into the bell end shaping mould rapidly, and clamp pipe end with upper module and lower module, the 7th step, the part of the die head of bell end shaping mould inserts in the pore from the mouth of pipe that is surrounded by outer muscle with die head, closely contact with the mouth of pipe mould of part of the die head to the mouth of pipe, to keep the pipe end of outer muscle through cutting process here, by the socket joint cover length of determining, in die cavity, with outer muscle and pore expanding and shaping to be socket joint cover and the socket joint hole that is provided with the location warp, be shaped to bell end, should straight wall type porous cable pipe, be shaped at pipe end and be provided with socket joint cover and socket joint hole, be provided with the socket porous cable pipe of location warp by socket joint cover length at socket joint cover inwall, in the 8th step, after cooling, oppositely pull out part of the die head, open upper module immediately, take off socket porous cable pipe from lower module; Be to increase special pipe end grooving technology and the operation that the straight wall type porous circular cylinder cable tube of no location notch on the pipe shaft is carried out then, the 9th step, the socket porous cylinder cable tube of location warp will do not had on the pipe shaft, insert in the pipe end recessing tool with another pipe end, and drop on endpoint location in the location notch of having determined location notch length with the edge of a knife, and clamp pipe end with the cable pipe clamp, the tenth step, the pipe end recessing tool is pulled out by the kerve direction, the edge of a knife is given the pipe end grooving by the strength of pulling pipe end recessing tool, it is not enough once to play groove depth, give the pipe end grooving to spur the pipe end recessing tool repeatedly, stopped drag for the 11 step enough deeply to location notch, open immediately and go up fixture block, take off the socket porous cylinder cable tube that pipe end is provided with location notch from following fixture block.
Owing to adopted such scheme, just can remove the muscle cutter with cable tube, by machine tool, the interior muscle of a straight pipe end of wall type porous cable pipe remove, outer muscle keeps here, to cutting depth by predetermined socket joint cover length setting, just can use the bell end shaping mould, the pipe end of having removed interior muscle is shaped to bell end, just can be with pipe end recessing tool and cable tube anchor clamps, trip out location notch at another pipe end of wall type porous circular cylinder cable tube or socket porous cylinder cable tube directly.Thereby, do not need the adapted pipe to connect cover with socket porous cable pipe and saved cable tube production material, obviously reduce cable tube junction quantity with the socket porous cable pipe product, make things convenient for cable tube to construct with burying, reduced the construction working amount, reduced engineering cost, with the outer muscle outer wall of pipe end with the socket joint cover inwall welding of bell end or with the location through be connected/welding after location notch is located, avoided pore/sub-hole to dwindle, stop up, connect dislocation, guaranteed project quality.This technical scheme, for producing the socket porous cable pipe product, created the necessary production specifications of making easily and can use by machine tool, form necessary production technology and process easy and simple to handle, to improving with to promote cable tube product structure and technology very favourable.
Description of drawings:
Fig. 1 is the interior muscle technology of cutting of straight wall type porous cable pipe and cable tube is provided with location notch except that muscle knife structure and pipe shaft straight wall type seven apertures in the human head cylinder cable tube structural representation;
Fig. 2 is the straight wall type seven apertures in the human head cylinder cable tube structural representation of no location notch on the pipe shaft;
Fig. 3 is to have removed the straight wall type seven apertures in the human head cylinder cable tube structural representation that interior muscle pipe shaft is provided with location notch;
Fig. 4 is a straight wall type seven apertures in the human head cylinder cable tube structural representation of having removed no location notch on the interior muscle pipe shaft;
Fig. 5 is that socket joint cover inwall is provided with the location is provided with location notch through pipe shaft socket and spigot type seven apertures in the human head cylinder cable tube structural representation;
Fig. 6 is that pipe end is provided with the socket and spigot type seven apertures in the human head cylinder cable tube structural representation that location notch socket joint cover inwall is provided with the location warp;
Fig. 7 is expansion mouth of pipe technology and bell end shaping moudle structure schematic diagram;
Fig. 8 is pipe end grooving technology and pipe end recessing tool structure and cable tube clamp structure schematic diagram.
Among the figure: 1, cable tube removes muscle cutter/tool rest/cylinder tool rest 2, handle of a knife 3, bolt 4, blade 5, the side edge of a knife 6, the bottom surface edge of a knife 7, confinement block 8, pipe end/outer muscle 9, interior muscle 10, pore/neutron hole 11, interior muscle 12, interior muscle 13, outer muscle 14, outer muscle inwall/outer muscle 15, pipe shaft/porous cable pipe/straight wall type porous cable pipe/straight wall type seven apertures in the human head cylinder cable tube 16, location notch 17, location 18 pipe ends/socket joint cover/bell end 19, socket joint cover inwall/socket joint hole 20, location notch 21, pipe end 22, pipe shaft/porous cable pipe/straight wall type porous cable pipe/straight wall type seven apertures in the human head cylinder cable tube/socket porous cable pipe/socket and spigot type seven apertures in the human head cylinder cable tube 23, bell end shaping mould/upper module 24, lower module 25, die cavity 26, die cavity mouth 27, the mouth of pipe/pore 28, part of the die head/die head/cylindrical die 29, the location is through forming tank 30, mouth of pipe module 31, die head seat 32, cable tube anchor clamps/following fixture block 33, last fixture block 34, pipe end recessing tool/tool rest 35, blade/cutter chamber/edge of a knife
Wave among the figure, length restriction shown in the physical length that is used to represent this porous cable pipe 15 or 22 is not subjected on the drawing.
The meaning that dotted line among the figure is represented is that the sidewall of tool rest 1 can be followed outer muscle inwall 14 fits, and perhaps, the sidewall that is confinement block 7 is with " peripheral clearance " between the inwall in neutron hole 10.
Embodiment:
Below in conjunction with drawings and Examples, the invention will be further described.
Straight wall type porous cable pipe 15 among the figure as shown in fig. 1, is provided with the straight wall type seven apertures in the human head cylindrical hole cable tube 15 of location notch 16 for pipe shaft 15; As shown in Figure 2, be the straight wall type seven apertures in the human head cylinder cable tube 15 of no location notch 16 on the pipe shaft 15; As shown in Figure 3, be provided with location notch 16, removed the straight wall type seven apertures in the human head cylindrical hole cable tube 15 of interior muscle 9 and 11 and 12 for pipe shaft 15; As Fig. 4 or as shown in Figure 7, for no location notch 16 on the pipe shaft 15, removed the straight wall type seven apertures in the human head cylinder cable tube 15 of interior muscle 9 and 11 and 12.
As Fig. 5, socket porous cable pipe shown in Figure 6, as shown in Figure 5, for pipe shaft 15 is provided with the socket and spigot type seven apertures in the human head cylindrical hole cable tube that location notch 16, pipe end 8 or 18 are provided with socket joint cover 18 and socket joint hole 19 and are provided with location 17 at socket joint cover inwall 19; As shown in Figure 6, be provided with socket joint cover 18 and socket joint hole 19 and be provided with the socket and spigot type seven apertures in the human head cylindrical hole cable tube that location 17, another pipe end 21 are provided with location notch 16 for pipe end 8 or 18 at socket joint cover inwall 19.
Cable tube as shown in fig. 1 removes muscle cutter 1, mainly by tool rest 1, handle of a knife 2, be provided with the side edge of a knife 5 and form with blade 4, confinement block 7, the bolt 3 of the bottom surface edge of a knife 6.
Bell end shaping mould 23 as shown in Figure 7 mainly is made up of upper module 23, lower module 24, die cavity 25, die cavity mouth 26, part of the die head 28.Part of the die head 28 as shown in Figure 7 mainly is linked in sequence and is formed by die head 28, mouth of pipe module 30, die head seat 31; The die head 28 of cylindrical bell end shaping mould is the cylindrical die 28 that the location has dwindled through forming tank 29, termination that is provided with as shown in Figure 7.
Pipe end recessing tool 34 as shown in Figure 8 mainly is made up of tool rest 34, cutter chamber 35, blade 35.
Cable tube anchor clamps 32 as shown in Figure 8 mainly are made up of with following fixture block 32 last fixture block 33.
The present invention is a kind of with straight wall type porous cable pipe product processes and the perfect technical scheme for socket porous cable pipe product processes and operation of operation.
Continue last one fixed length intercepting operation of straight wall type porous cable pipe product increased muscle technology and operation in the cutting before this:
The first step, cable tube is as shown in Figure 7 removed muscle cutter 1, be installed on the lathe to clamp handle of a knife 2, perhaps, with folder post handle of a knife 2 and can be on lathe parallel moving, be installed on the lathe, and general's cable tube anchor clamps 32 as shown in Figure 8, be installed on the lathe, perhaps, with can be parallel mobile on lathe, be installed on the lathe.
Second step, will be as among Fig. 1 or straight wall type porous cable pipe 15 as shown in Figure 2, be sandwiched in as shown in Figure 8 cable tube anchor clamps 32 internal fixation with pipe end 8, if cable tube removes muscle cutter 1, it is a kind of restriction fast 7 and confinement block 7 sidewalls keep just having put into degree with the peripheral clearance between 10 inwalls of neutron hole cutter that is provided with as shown in fig. 1, straight again wall type porous cable pipe 15, it is a kind of body that neutron hole 10 was arranged as pore among Fig. 1 or as shown in Figure 2 in 10 minutes, should adjust to confinement block 7 degree that reach freely in the neutron hole 10 of coming in and going out fixes, perhaps, if cable tube removes muscle cutter 1, be a kind of cutter of confinement block 7 as shown in fig. 1 that is not provided with, then should adjust to as shown in fig. 1 tool rest/cylinder tool rest 1 sidewall can with as among Fig. 1 or the outer muscle inwall 14 fits degree freely of straight wall type porous cable pipe 15 shown in Figure 2 fix.
The 3rd step, start lathe work, driving blade 4 rotates with tool rest 1, as among Fig. 1 or straight wall type porous cable pipe 15 as shown in Figure 2 move with cable tube anchor clamps 32 as shown in Figure 8 are parallel forward, perhaps, driving cable tube moves except that muscle cutter 1 is parallel forward, blade 4 rotates with tool rest 1, respectively with muscle 9 and interior muscle 11 and 12 in 6 cuttings of the bottom surface edge of a knife, keep outer muscle 13 here, repair with the side edge of a knife 5 and to cut residual crumb on the outer muscle 13, the interior muscle 9 of the pipe end 8 in as Fig. 1 or as shown in Fig. 2,11,12 planes, as shown in Fig. 3 or Fig. 4, inwardly pass by time on the cutting depth position of predetermined socket joint cover length setting and stop cutting, withdraw from cable tube except that muscle cutter 1 with parallel backward the moving of cable tube anchor clamps 32 as shown in Figure 8, perhaps, remove parallel backward the moving of muscle cutter 1 with cable tube and withdraw from pipe end 8.
The 4th step, open last fixture block 33 as shown in Figure 8 immediately, take off as Fig. 3 or the straight wall type porous cable pipe 15 of having removed interior muscle shown in Figure 4 from as shown in Figure 8 following fixture block 32.
Be to increase heating pipe end, expansion mouth of pipe technology and operation again:
The 5th step, will put into oven with the pipe end 8 of having removed interior muscle and toast as Fig. 3 or Fig. 4 or the straight wall type porous cable pipe 15 or 22 of having removed interior muscle as shown in Figure 7, heat outer muscle 13 softening extremely expansible degree and take out.
In the 6th step, as shown in Figure 7, will put into bell end shaping mould 23 rapidly, and clamp pipe end 8 through the straight wall type porous cable pipe 22 of heating pipe end taking-up with upper module 23 and lower module 24.
The 7th step, as shown in Figure 7, the part of the die head 28 of bell end shaping mould 28 is to be provided with the die head 28 of location through forming tank 29, insert in the pore 27 from the mouth of pipe 27 that surrounds by outer muscle 8, closely contact with the mouth of pipe module 30 of part of the die head 28 to the mouth of pipe 27, to keep the pipe end 8 of outer muscle 14 as shown in Fig. 3 or Fig. 4 through muscle technology and operation in the cutting here, by predetermined socket joint cover length, in die cavity 25, so that outer muscle 8 and pore 27 expanding and shapings are overlapped socket joint cover 18 and the socket joint hole 19 that inwall 19 is provided with location 17 for the socket joint as shown in Fig. 5 or Fig. 6, be shaped to the bell end 18 as shown in Fig. 5 or Fig. 6, this as Fig. 1 and Fig. 3 or Fig. 2 and straight wall type porous cable pipe 15 shown in Figure 4, is shaped to the socket joint that is provided with as shown in Fig. 5 or Fig. 6 at pipe end 8 and overlaps 18, be provided with the socket porous cable pipe 22 of location 17 by socket joint cover length at socket joint cover inwall 19.
The 8th step, as shown in Figure 7, after cooling, oppositely pull out part of the die head 28, open upper module 23 immediately, take off socket porous cable pipe 22 from lower module 24.
Be to increase special pipe end grooving technology and the operation that the straight wall type porous circular cylinder cable tube 15 of no location notch on the pipe shaft is as shown in Figure 2 carried out then, as shown in Figure 8:
The 9th step, with on the pipe shaft 22 but the socket porous cylinder cable tube 22 of the location notch 16 shown in Fig. 1, with pipe end 21 as shown in Figure 6, insert in the pipe end recessing tool 34, and drop on endpoint location in the location notch 20 of having determined location notch length with the edge of a knife 35, and clamp pipe end 21 with cable pipe clamp 32.
The tenth step, with pipe end recessing tool 34 by show with arrow to and the kerve direction that is is pulled out, the edge of a knife 35 is given pipe end 21 groovings by the strength of pulling pipe end recessing tool 34, it is not enough once to play groove depth, give pipe end 21 groovings to spur pipe end recessing tool 34 repeatedly, stop drag deeply to location notch 20 is enough.
The 11 step, open to go up fixture block 33 immediately, take off the socket porous cylinder cable tube 22 that as shown in Figure 6 pipe end 21 is provided with location notch 20 from fixture block 32 down.
Such scheme and technical process can directly apply to the production of the prismatic cable tube product in square socket and spigot type four holes.
Claims (1)
1, a kind of method for producing spigot-and-socket porous cable pipe, it is characterized in that: last one fixed length intercepting production process of the straight wall type porous cable pipe product that continues, increased muscle technology and operation in the cutting before this, the first step, cable tube is removed the muscle cutter, be installed on the lathe to clamp handle of a knife, perhaps, to press from both sides the post handle of a knife and can be installed on the lathe parallel moving on the lathe, and the cable tube anchor clamps are installed on the lathe, perhaps, being installed on the lathe parallel moving on the lathe, second step, straight wall type porous cable pipe is sandwiched in cable tube anchor clamps internal fixation with pipe end, if cable tube removes the muscle cutter, it is a kind of confinement block and confinement block sidewall keep just having put into degree with the peripheral clearance between the inwall of neutron hole cutter that is provided with, straight again wall type porous cable pipe, it is the body that a kind of pore branch has the neutron hole, should adjust to the confinement block degree that reaches freely in the neutron hole of coming in and going out fixes, perhaps, if cable tube removes the muscle cutter, it is a kind of cutter that is not provided with confinement block, then should adjust to the tool rest sidewall can fix with the outer muscle inwall fit degree freely of straight wall type porous cable pipe, the 3rd step, start lathe work, the blade that the drive cable tube removes the muscle cutter rotates with tool rest, accompany parallel forward the moving of cable tube anchor clamps of straight wall type porous cable pipe, perhaps, driving cable tube moves except that the muscle cutter is parallel forward, blade rotates with tool rest, respectively with muscle in the cutting of the bottom surface edge of a knife, keep outer muscle here, repair with the side edge of a knife and to cut crumb residual on the outer muscle, stop cutting in the time of on the interior muscle plane of pipe end is inwardly passed by the cutting depth position of predetermined socket joint cover length setting, withdraw from cable tube except that the muscle cutter with parallel backward the moving of cable tube anchor clamps, perhaps, remove parallel backward the moving of muscle cutter with cable tube and withdraw from pipe end, in the 4th step, open immediately and go up fixture block, take off the straight wall type porous cable pipe of having removed interior muscle from following fixture block; Be to increase the heating pipe end again, expansion mouth of pipe technology and operation, the 5th step, the straight wall type porous cable pipe of interior muscle will have been removed, putting into oven with the pipe end of having removed interior muscle toasts, it is softening to expansible degree taking-up to heat outer muscle, the 6th step, will be through the straight wall type porous cable pipe of heating pipe end taking-up, put into the bell end shaping mould rapidly, and clamp pipe end with upper module and lower module, the 7th step, the part of the die head of bell end shaping mould inserts in the pore from the mouth of pipe that is surrounded by outer muscle with die head, closely contact with the mouth of pipe mould of part of the die head to the mouth of pipe, to keep the pipe end of outer muscle through cutting process here, by the socket joint cover length of determining, in die cavity, with outer muscle and pore expanding and shaping to be socket joint cover and the socket joint hole that is provided with the location warp, be shaped to bell end, should straight wall type porous cable pipe, be shaped at pipe end and be provided with socket joint cover and socket joint hole, be provided with the socket porous cable pipe of location warp by socket joint cover length at socket joint cover inwall, in the 8th step, after cooling, oppositely pull out part of the die head, open upper module immediately, take off socket porous cable pipe from lower module; Be to increase special pipe end grooving technology and the operation that the straight wall type porous circular cylinder cable tube of no location notch on the pipe shaft is carried out then, the 9th step, the socket porous cylinder cable tube of location warp will do not had on the pipe shaft, insert in the pipe end recessing tool with another pipe end, and drop on endpoint location in the location notch of having determined location notch length with the edge of a knife, and clamp pipe end with the cable pipe clamp, the tenth step, the pipe end recessing tool is pulled out by the kerve direction, the edge of a knife is given the pipe end grooving by the strength of pulling pipe end recessing tool, it is not enough once to play groove depth, give the pipe end grooving to spur the pipe end recessing tool repeatedly, stopped drag for the 11 step enough deeply to location notch, open immediately and go up fixture block, take off the socket porous cylinder cable tube that pipe end is provided with location notch from following fixture block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810062697XA CN101320905A (en) | 2008-06-30 | 2008-06-30 | Method for producing spigot-and-socket porous cable pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810062697XA CN101320905A (en) | 2008-06-30 | 2008-06-30 | Method for producing spigot-and-socket porous cable pipe |
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| Publication Number | Publication Date |
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| CN101320905A true CN101320905A (en) | 2008-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810062697XA Pending CN101320905A (en) | 2008-06-30 | 2008-06-30 | Method for producing spigot-and-socket porous cable pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346519A (en) * | 2013-07-23 | 2013-10-09 | 上海远洲管业有限公司 | Abrasion-resistant anti-impact multi-hole cable protective pipe and preparing method thereof |
-
2008
- 2008-06-30 CN CNA200810062697XA patent/CN101320905A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346519A (en) * | 2013-07-23 | 2013-10-09 | 上海远洲管业有限公司 | Abrasion-resistant anti-impact multi-hole cable protective pipe and preparing method thereof |
| CN103346519B (en) * | 2013-07-23 | 2016-01-27 | 上海远洲管业有限公司 | A kind of wear-resisting anti-impact perforated lines cable protection tubing and preparation method thereof |
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Application publication date: 20081210 |